What are foods that contain physical changes

Answers

Answer 1

A substance's form or appearance can be changed physically without affecting its chemical makeup.

Cutting fruits and vegetables, melting chocolate, and boiling eggs are examples of foods that go through physical changes.

For instance, slicing fruits and vegetables alter their size and shape, but not their chemical makeup.

Similar to melting chocolate, which transforms it from a solid to a liquid yet keeps its chemical makeup the same.

Physical changes Physical alterations are transformations that modify the physical appearance of matter without altering its chemical content. During the processing or cooking of food, numerous physical changes take place. As an example of a physical alteration, cutting fruits and vegetables modify their size and shape without changing their chemical makeup. Similar to melting, which transforms solid chocolate into liquid without altering its chemical composition. The solidification of melted cheese or the caramelization of sugar are two further instances of physical modifications in food. Food preparation and presentation are significantly influenced by physical changes in the meal.

learn more about physical changes here

https://brainly.com/question/960225

#SPJ1


Related Questions

In Part A of this Experiment, which direction did the equilibrium shift when the 2 mL of 6.0 M HCl was added? Explain what caused this shift. It may be helpful to examine the hydrolysis of the SbClz in your lab manual. Equilibrium shifts in the reverse direction. Adding HCl decreases the amount of SbClz in solution. To establish equilibrium, more reactants are formed Equilibrium shifts in the forward direction. The Sboci in solution reacts with the added H' and Cl' in solution. To establish equilibrium, more products are formed Equilibrium shifts in the reverse direction. Adding HCl dilutes the solution by increasing the total volume. To establish equilibrium, more reactants are formed Equilibrium shifts in the forward direction. Adding HCl increases the moles of H' and C in solution. To establish equilibrium, more products are formed Equilibrium shifts in the reverse direction. Adding HCl increases the moles of H' and CH in solution. To establish equilibrium, more reactants are formed

Answers

The equilibrium shift in reverse direction. adding the Hcl increases the jobs of H+ and U-  in the answer  to set up the equilibrium more reactant are formed



To reach equilibrium, the device must growth the quantity of reactants, so an equilibrium shift within the opposite course is located. The reaction of the SbClz in solution with the brought H' and Cl' in solution also contributes to the shift in equilibrium, as more merchandise are fashioned. The internet effect of the addition of HCl is an equilibrium shift within the reverse direction.

To recognize greater approximately reverse direction click right here
brainly.com/question/30440442
#SPJ4

what is the number of protons of an element with a mass number of 100 and a neutron number of 40?

Answers

Answer:

Z = 60

Step-by-step explanation:

The symbol of the element is not given in the question. However, we can use the information provided to determine the number of protons in the nucleus of the element.

The mass number, A, is the sum of the number of protons, Z, and the number of neutrons, N, in the nucleus of the atom. So we have:

A = Z + N

Substituting the given values, we get:

100 = Z + 40

Solving for Z, we get:

Z = 100 - 40 = 60

Therefore, the number of protons in the nucleus of this element is 60.

which of the following has the fastest reaction rate? group of answer choices digestion of breakfast indigestion tablets dissolving in water to produce carbon dioxide frozen meat going bad rusting a car frame

Answers

The correct answer is option (B) indigestion tablets dissolving in water to produce carbon dioxide has the fastest reaction rate.

Reaction rate refers to the speed of a chemical reaction. In general, a chemical reaction proceeds at a faster rate if the temperature, pressure, and the concentration of the reactants is higher.

The following are the given options: a. Digestion of breakfast - The digestion of breakfast involves several chemical reactions, but it doesn't occur quickly, and the rate of reaction is slower.

b. Indigestion tablets dissolving in water to produce carbon dioxide - The reaction of indigestion tablets dissolving in water to produce carbon dioxide is an example of a chemical reaction that occurs rapidly. So, this is the fastest reaction rate among all.

c. Frozen meat going bad - The breakdown of frozen meat into various products is a slow process that occurs over a long period. Therefore, it has a very slow reaction rate.

d. Rusting a car frame - Rusting is an oxidation reaction that occurs between iron and oxygen, but it occurs gradually. It has a slower reaction rate.

To know more about reaction rate, refer here:

https://brainly.com/question/30546888#

#SPJ11

Drag the appropriate items to their respective bins. Reset Help Al(CIO2)3 AsCl3 Pb(C,H3O2)2 Cu(NO2)2 Cl207 Ca3 (PO4)2 MGCO3 lonic Molecular

Answers

When answering questions on the Brainly platform, it is important to be factually accurate, professional, and friendly. Conciseness is also key, so it is important to avoid providing extraneous amounts of detail. It is important to pay close attention to the question and not ignore any typos or irrelevant parts.

The following terms should be used in your answer for this question: Al(CIO2)3 AsCl3 Pb(C,H3O2)2 Cu(NO2)2 Cl207 Ca3 (PO4)2 MGCO3 lonic Molecular.Ionic compounds: Al(CIO2)3, Pb(C,H3O2)2, Ca3 (PO4)2, MGCO3.Molecular compounds: AsCl3, Cu(NO2)2, Cl207.Ionic compounds are made up of oppositely charged ions, whereas molecular compounds are made up of covalently bonded atoms that share electrons. Al(CIO2)3, Pb(C,H3O2)2, Ca3 (PO4)2, and MGCO3 are all examples of ionic compounds because they are composed of metal and non-metal atoms, which have different electronegativity values and can transfer electrons to form ions. In contrast, AsCl3, Cu(NO2)2, and Cl207 are examples of molecular compounds because they are composed of covalently bonded non-metal atoms that share electrons to form a stable molecule.In summary, when answering questions on Brainly, it is important to provide accurate and concise information that is relevant to the question being asked. In this particular question, the terms ionic and molecular were used, and it was important to provide examples of each type of compound.

for more such question on Molecular

https://brainly.com/question/24191825

#SPJ11

here is an acid fast stain on an unknown culture. is this species acid fast positive? briefly explain your answer.

Answers

Acid diet Positively stained viable microorganisms appear as parallel bacilli or spherical aggregates. Non-viable organisms break, clot, or adversely discolour.

To determine if a patient has TB, sputum, or mucus, is frequently tested for Mycobacterium tuberculosis. Because this bacteria is fully acid-fast, the dye is retained throughout the entire cell. The patient has TB, according to a positive acid-fast smear test report.
Acid-fast bacteria are gramme-positive, but the exterior membrane or envelope of the acid-fast cell wall also includes significant quantities of glycolipids, particularly mycolic acids, which in the genus Mycobacterium account for about 60% of the acid-fast cell wall. These glycolipids, in addition to peptidoglycan, are known as glycolipids.
Examples of acid-fast bacteria include Mycobacterium tuberculosis (the cause of TB in people, which affects the lungs), Mycobacterium bovis, Mycobacterium avium, Nocardia species, and Rhodococcus equi.

To know more about microorganisms go through:-

https://brainly.com/question/342568

#SPJ4

what holds the atoms together in an ionic compound

Answers

Answer: An ionic bond

Explanation: Oppositely charged particles are attracted towards each other. This force is otherwise known as an electrostatic attraction. An ionic bond is the electrostatic attraction that holds atoms together in an ionic compound. I hope this helps!

potassium-40 decays to argon-40 has a half-life of 1.25 billion years. suppose you find a rock that has only 1/8 of its original potassium-40 still remaining. how old is the rock?

Answers

The age of the rock can be calculated as follows. In this case, the half-life of potassium-40 is 2.64 billion years.

The rock has only 1/8 of its original potassium-40 remaining. It's requested to find the age of the rock.Step-by-step explanation:
The decay formula is given as:
N(t) = N0 * e^(-λt)
where N0 is the initial amount of potassium-40, λ is the decay constant (related to the half-life by λ = ln(2) / t1/2), and N(t) is the amount remaining after time t.

In this problem, we are given that the rock has only 1/8 of its original potassium-40 remaining. This means that N(t) = (1/8)N0, and we want to solve for the time t.

Taking the natural logarithm of both sides of the first equation and rearranging, we get:
t = (1/λ) * ln(N0/N(t))
Substituting in the given values, we have:
t = (1/λ) * ln(N0 / (1/8)N0)
t = (1/λ) * ln(8)
t = (ln 8) / (λ / ln 2)

To find the value of λ, we can use the half-life of potassium-40:
t1/2 = 1.25 billion years = 1.25 * 10^9 years
λ = ln(2) / t1/2
λ = ln(2) / (1.25 * 10^9)
λ = 5.543 * 10^-10 /year

Substituting this into the previous equation, we have:
t = (ln 8) / (5.543 * 10^-10 /year / ln 2)
t ≈ 2.64 billion years

Therefore, the rock is approximately 2.64 billion years old.

To know more about "Potassium-40" refer here:

https://brainly.com/question/118171645#

#SPJ11

The age of the rock made up of potassium-40 is approximately 3.74 billion years old.

Potassium-40 decays to argon-40 has a half-life of 1.25 billion years. Suppose you find a rock that has only 1/8 of its original potassium-40 still remaining. Half-life of potassium-40, t1/2 = 1.25 billion years, Amount remaining = 1/8 of the original potassium-40.

Let the original amount of potassium-40 be P.

Rate of decay of potassium-40 = kP = P0 e^(-kt) Where, P0 is the original amount of potassium-40 and t is the time.

Arranging the above equation for t, we get: t = ln(P0/P)/k

Taking natural log both sides

P/P0 = (1/2)^(t/t1/2)ln(P/P0) = ln(1/2) t/t1/2t = (t1/2/ln(1/2)) ln(P0/P)

Substituting the given values,

t = (1.25 x 10^9/0.693) ln(1/(1/8))= (1.8 x 10^9) ln(8)= (1.8 x 10^9) (2.08)= 3.74 x 10^9 years

To know more about potassium-40, refer here:

https://brainly.com/question/9295288#

#SPJ11

_____ is a tool used by chemists to answer questions about particle and mole relationships.

Answers

Avogadro's number is used by chemists to answer questions about particles and mole relationship.

Avogadro's number is defined as the number of units in one mole of any substance. Its molecular weight is measured in grams that is equal to 6.02214076 × 1023. The units may be used for this electrons, atoms, ions, or molecules, depending on the nature of the substance and the character of the reaction. All chemists use the mole unit to represent 6.022 × 10 23 things whether the things are atoms of elements or molecules of compounds. The Avogadro's number is important most important in measuring the mole concept because this number of atoms or molecules has the same mass in grams as one atom or molecule has in atomic mass units.

Avogadro's number represents the number of atoms in one gram atom of an element or the number of molecules in one gram mole of a compound. If we divide the atomic mass of an element by actual mass of its atom we get the value of 6.022×1023.

To learn more about Avogadro's number

https://brainly.com/question/10614569

#SPJ4

What are the factors that influence the intensity of an IR absorption band?

Answers

The intensity of an infrared (IR) absorption band depends on several factors, including:

Concentration of the sample: The intensity of the IR absorption band increases with the concentration of the sample.

Nature of the sample: The intensity of the IR absorption band depends on the chemical nature of the sample, including its functional groups, molecular weight, and structure.

Vibrational frequency of the bond: The intensity of the IR absorption band increases with the vibrational frequency of the bond. Bonds with higher vibrational frequencies absorb more strongly.

Polarizability of the bond: The intensity of the IR absorption band is related to the polarizability of the bond. Bonds that are more polarizable absorb more strongly.

Dipole moment of the molecule: The intensity of the IR absorption band is related to the dipole moment of the molecule. Molecules with higher dipole moments absorb more strongly.

Temperature: The intensity of the IR absorption band decreases with increasing temperature due to thermal effects on the vibrational energy levels.

Interactions with neighboring atoms or functional groups: The intensity of the IR absorption band may be influenced by interactions with neighboring atoms or functional groups, such as hydrogen bonding or steric effects.

To know more about infrared, visit: brainly.com/question/20779091

#SPJ4

what ratio of acid to base is needed to prepare a buffer with a ph = 4.0 using the conjugate pair hcooh/hcoo^-1 (k_a = 1.78 x 10^{-4})?
a. [HCOOHI]/IHCOO-] = 1.78
b. [HCOOHI]/IHCOO-] = 0.250 c. [HCOOHI]/IHCOO-] = 3.99 d. [HCOOHI]/IHCOO-] = 0.562

Answers

The ratio of acid to base that is required to prepare a buffer with a pH of 4.0 using the conjugate pair hcooh/hcoo-1of (k_a = 1.78 x 10-4) is [HCOOHI]/[IHCOO-] = 3.99.

How to prepare buffer solution?

A buffer solution is a solution of a weak acid or base along with its salt. The main function of the buffer solution is to retain the pH value of the solution almost constant, even if a small quantity of a strong acid or base is added to it. The formula for buffer solution is BH+ + A-.

The ratio of the concentrations of conjugate acid and base species in a buffer solution is called buffer capacity.

It measures how much of an acid or base can be added to a solution before a significant change in pH occurs. The ideal buffer pH range is within 1 pH unit of the dissociation constant (pKa).

pH = pKa + log [A-] / [HA]

In this question, the given pH is 4.0 and the given pKa is 1.78 x 10-4.

Now, substituting these values in the above equation, we get pH = pKa + log [A-] / [HA]. 4.0 = -log1.78 x 10-4 + log [A-] / [HA] 4.0 + 4.25 = log [A-] / [HA]

Antilog of both sides to eliminate the logarithm from the right side of the equation

101.25 = [A-] / [HA]A- / HA = 101.25[HA] = A- / 101.25Ratio = HA / A-= [HA] / [A-]= 1 / 101.25= 0.0099= 1 / 101

Therefore, the required ratio of [HCOOHI] to [IHCOO-] is [HCOOHI] / [IHCOO-] = 3.99.

To know more about the buffer https://brainly.com/question/22821585

#SPJ11

Compare and contrast a series and parallel circuit. In your response, answer the following questions:

How are they similar in design?
How are they different in design?
What are the advantages of each?

Answers

The main difference between a parallel and a series circuit is the amount of electricity flowing through each individual component. In a series circuit, the same amount of electricity circulates.

What does current mean?

The letter [tex]I[/tex] which is derived from the French term , intensité du courant is usually used to represent current. (current intensity). Current intensity is commonly described by the word "current."

The[tex]I[/tex] symbol was used by André-Marie Ampère to create his force law, which is how the electric current unit is [tex]I[/tex] symbol

The ampere is the [tex]SI[/tex]measure for electrical current. [tex]I[/tex] is a symbol for electrical energy. A wire is said to have a current of[tex]1[/tex] ampere when charge flows through it at a pace of one conservation of mass per second. Example Solutions to the Electric Current Formula.

Learn more about current

https://brainly.com/question/13076734

#SPJ9

why do we have to use molality for our calculations, instead of the more common unit of molarity?

Answers

We use molality instead of molarity for our calculations because it is a more reliable measure of concentration, especially in cases where temperature changes can affect the volume of the solution.

Molality is defined as the number of moles of solute per kilogram of solvent, whereas molarity is defined as the number of moles of solute per liter of solution. Since molality is based on the mass of the solvent, it is not affected by changes in volume due to temperature changes, making it a more accurate measure of concentration. In contrast, molarity is based on the volume of the solution, which can change with temperature, resulting in inaccurate calculations. Molality is particularly useful in certain applications, such as in the preparation of solutions for cryogenics or in biochemistry.

Find out more about molality

at brainly.com/question/31082216

#SPJ4

although generally less precise than radiocarbon, thermoluminescence (tl) dating has an advantage over radiocarbon dating: it can date:

Answers

Thermoluminescence can date sediments and rocks directly

Lets learn about carbon dating-

Radiocarbon dating, also known as carbon-14 dating, is a technique used to estimate the age of carbon-containing materials that have been preserved in the last 50,000 years. It is widely used in geology, archaeology, and paleontology.The theory behind carbon dating is straightforward: living organisms absorb carbon from their environment and use it to create new organic compounds. Carbon-14 is a radioactive isotope of carbon that is absorbed by organisms at the same rate as ordinary carbon. Carbon-14 decays at a constant rate, and measuring the amount of carbon-14 in a sample can provide an estimate of how long it has been since the organism died or the carbon-containing material was formed.

Thermoluminescence (TL) dating, on the other hand, is a technique used to date sediments and rocks directly. It is based on the fact that when rocks are heated, they emit light energy. This light energy is trapped within the crystal structure of the rock, and over time, it accumulates. By measuring the amount of light energy trapped within a sample, scientists can estimate how long it has been since the sample was last heated.

Learn more about radiocarbon dating : https://brainly.com/question/11397015

#SPJ11

URGENT, PLEASE HELP!
If you create 1. 5 liters of solution using 50. 5 grams of copper (II) sulfate, what is the molarity of the solution?

Answers

The solution has a molarity of 0.211 M. (molar).

To determine the molarity of a solution, we need to know the amount of solute (in moles) and the volume of the solution (in liters). In this case, we are given the volume of the solution and the mass of the solute, so we need to use the molar mass of copper (II) sulfate to convert the mass to moles.

The molar mass of copper (II) sulfate is 159.61 g/mol. Therefore, we can calculate the number of moles of copper (II) sulfate as follows:

moles CuSO4 = 50.5 g / 159.61 g/mol = 0.316 moles

Next, we need to calculate the molarity of the solution using the number of moles of copper (II) sulfate and the volume of the solution. The volume of the solution is given as 1.5 liters. Therefore, we can calculate the molarity as follows:

Molarity = moles of solute / liters of solution

Molarity = 0.316 moles / 1.5 liters

Molarity = 0.211 M

Therefore, the molarity of the solution is 0.211 M (molar).

To learn more about molarity refer to:

brainly.com/question/2817451

#SPJ4

calculate the specific heat capacity at constant volume of water vapor, assuming the nonlinear triatomic molecule has three translational and three rotational degrees of freedom and that vibrational motion does not contribute. the molar mass of water is 18.0 g/mol .

Answers

The specific heat capacity at constant volume of water vapor is calculated to be 33.1 J/mol·K.

In thermodynamics, heat capacity is defined as the amount of heat required to raise the temperature of a substance by 1 degree celsius.

And, the amount of heat required to raise the temperature of 1 kg of a substance by 1 degree celsius is known as specific heat capacity.

The SI unit of specific heat capacity is SI is joule for every kelvin per kilogram i.e JK⁻¹Kg⁻¹.

For example, the specific heat capacity of water is 4184 JK⁻¹Kg⁻¹, since it takes 4184 joules of energy in order to increase the temperature of 1 kg of water at temperature 1 K.

The specific thermal capacity varies frequently with temperature which can be calculated using the equation:

Cv = 3/2 (R) + 3/2 (R) + 0

R is the gas constant  whose value is 8.314 J/mol·K

Therefore, Cv = 33.1 J/mol·K.

To know more about specific heat capacity here

https://brainly.com/question/29574112

#SPJ4

Which solution has the largest total ion concentration (TIC)? a. 1.0 M KNO3 b. 1.0 M KCI c. 1.0 M MgCl2 d. 1.0 M AlCl3

Answers

The solution with the largest total ion concentration (TIC) is 1.0 M AlCl₃. The correct option is d.

The total ion concentration (TIC) of a solution is the sum of the concentrations of all ions in the solution. When an ionic compound dissolves in water, it dissociates into its constituent ions. The number of ions produced per formula unit of the compound depends on the chemical formula of the compound.

For 1.0 M KNO₃, each formula unit produces 2 ions (K⁺ and NO₃⁻), so the TIC is 1.0 x 2 = 2.0 M. For 1.0 M KCl, each formula unit produces 2 ions (K⁺ and Cl⁻), so the TIC is 1.0 x 2 = 2.0 M. For 1.0 M MgCl₂, each formula unit produces 3 ions (Mg²⁺ and 2 Cl⁻), so the TIC is 1.0 x 3 = 3.0 M. For 1.0 M AlCl₃, each formula unit produces 4 ions (Al³⁺ and 3 Cl⁻), so the TIC is 1.0 x 4 = 4.0 M.

Therefore, among the given solutions, 1.0 M AlCl₃ has the largest total ion concentration (TIC), which is option d.

To know more about total ion concentration, refer here:

https://brainly.com/question/13457837#

#SPJ11

How many grams of potassium chloride are produced if 25 grams of potassium chlorate decompose?

Answers

The balanced chemical equation for the decomposition of potassium chlorate is:

2 KClO3(s) → 2 KCl(s) + 3 O2(g)

According to the equation, 2 moles of KCl are produced for every 2 moles of KClO3 that decompose. The molar mass of KClO3 is 122.55 g/mol, while the molar mass of KCl is 74.55 g/mol. Therefore, we can use the following steps to calculate the amount of KCl produced:

Calculate the number of moles of KClO3:

moles of KClO3 = mass of KClO3 / molar mass of KClO3

moles of KClO3 = 25 g / 122.55 g/mol

moles of KClO3 = 0.2036 mol

Use the mole ratio from the balanced equation to find the number of moles of KCl produced:

moles of KCl = moles of KClO3 x (2 moles of KCl / 2 moles of KClO3)

moles of KCl = 0.2036 mol x (2/2)

moles of KCl = 0.2036 mol

Calculate the mass of KCl produced:

mass of KCl = moles of KCl x molar mass of KCl

mass of KCl = 0.2036 mol x 74.55 g/mol

mass of KCl = 15.18 g

Therefore, 15.18 grams of potassium chloride are produced if 25 grams of potassium chlorate decompose.

approximately 15.1 grams

A 4.00 L sample of gas contains 0.25 mol of gas. If we add more gas so there are 0.50 mol, what is the new volume of gas?

Answers

The number of moles of gas is doubled, the volume of the gas must also double. The new volume of gas is 8.00 L.

This can be expressed mathematically using the ideal gas law, PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature (assumed to remain constant).

We can rearrange the equation to solve for V:

[tex]V = \frac{nRT }{ P}[/tex]

We can plug in the known values to solve for the new volume:

[tex]V = \frac{(0.50 mol)(0.082 L-atm/K-mol)(273 K) }{ 1 atm}[/tex]

V = 8.00 L

Hence, the new gas volume is 8.00 L.

learn more about volume Refer:brainly.com/question/25252629

#SPJ1

Assume that the reaction for the formation of gaseous hydrogen fluoride from hydrogen and fluorine has an equilibrium constant of 1. 15x10^2 at a certain temperature. In a particular experiment, 3. 000mol of each component was added to a 1. 500-L flask. Calculate the equilibrium concentrations of all species

Answers

The equilibrium concentrations are [H₂] = 1.685 M, [F₂] = 1.685 M, and [HF] = 2.630 M.

Let's first write the balanced equation for the formation of hydrogen fluoride from hydrogen and fluorine:

H₂(g) + F₂(g) ⇌ 2HF(g)

The equilibrium constant expression for this reaction will be:

Kc = [HF]² / [H₂] [F₂]

where the square brackets indicate the equilibrium concentrations of each species.

We are given that the equilibrium constant is 1.15 x 10². Now we can use an ICE (Initial-Change-Equilibrium) table to calculate the equilibrium concentrations of all species:

H₂ F₂ 2HF

Initial 3.000 M 3.000 M 0

Change -x -x +2x

Equilib 3.000-x 3.000-x 2x

where x will be the change in concentration at equilibrium.

Substituting these values into the equilibrium constant expression and solving for x, we get:

1.15 x 10² = (2x)² / (3.000-x)²

Solving for x, we get:

x = 1.315 M

Therefore, the equilibrium concentrations of each species are:

[H₂] = 3.000 - x = 1.685 M

[F₂] = 3.000 - x = 1.685 M

[HF] = 2x = 2.630 M

To know more about equilibrium concentrations here

https://brainly.com/question/16645766

#SPJ4

a gas has a mass of 3.82 g and occupies a volume of 0.854 l. the temperature in the laboratory is 302 k, and the air pressure is 1.04 atm. calculate the molar mass of the gas. 35.8 g/mol 72.3 g/mol 93.4 g/mol 107 g/mol

Answers

A gas has a mass of 3.82 g and occupies a volume of 0.854 l. the temperature in the laboratory is 302 k, and the air pressure is 1.04 atm, the molar mass of the gas is: 107 g/mol.

A gas has a mass of 3.82 g and occupies a volume of 0.854 L,
while the temperature in the laboratory is 302 K and the air pressure is 1.04 atm.

We will now calculate the molar mass of the gas using the following formula: PVM = mRT
where, P represents the pressure in atm, V is the volume in litres, n is the number of moles, R is the gas constant which is 0.0821 L-atm/mol-K, and T is the temperature in Kelvin.
P = 1.04 atm, V = 0.854 L, T = 302 K and we have to find n which is the number of moles of the gas.

Rearranging the equation to solve for n gives:n = PV/RT
Putting values we getn = (1.04 atm)(0.854 L) / (0.0821 L-atm/mol-K) (302 K)n = 0.0336 mol
The molar mass of the gas is calculated using the following formula: molar mass = mass of the gas / number of moles
molar mass = 3.82 g / 0.0336 mol
molar mass = 113.69 g/mol
Thus, the molar mass of the gas is 107 g/mol (rounded to one decimal place).

To know more about "Molar mass" refer here:

https://brainly.com/question/20552052#

#SPJ11

The furanose form of fructose is generated by formation of a hemiketal involving the attack of the C-hydroxyl group on the C- ketone. 6; 1 6; 2 2;6 5:2

Answers

The furanose form of fructose is generated by a hemiketal formation involving the attack of the C5-hydroxyl group on the C2-ketone, forming a six-membered ring with an oxygen atom.

The furanose form of fructose is generated by formation of a hemiketal involving the attack of the C-hydroxyl group on the C- ketone. This is a chemical reaction which takes place between a ketone group and a hydroxyl group from the same molecule, resulting in the formation of an alcohol and an ether. This is a type of reaction called a hemiketal formation.

The process occurs as follows: A ketone with a hydroxyl group in the same molecule forms a hemiketal, which is a cyclic compound that has an alcohol group and an ether group. The hemiketal is then transformed into a stable, non-cyclic ketal by the addition of another alcohol molecule.

The structure of fructose is as follows:

CH₂OH(CHOH)₄COH

In fructose, the furanose form is produced when the C5-hydroxyl group attacks the C2-ketone, producing a six-membered ring with an oxygen atom in the ring. The result is a cyclic hemiacetal with five carbons and one oxygen atom.This is shown in the following diagram:

Learn more about chemical reaction: https://brainly.com/question/11231920

#SPJ11

What's the meaning of Polycyclic Aromatic Hydrocarbons ?

Answers

Polycyclic Aromatic Hydrocarbons (PAHs) are a category of chemical compounds that consist of at least two aromatic rings combined in different ways. They are a group of organic chemicals that have a common core structure and are made up of multiple fused aromatic rings.

Polycyclic Aromatic Hydrocarbons (PAHs) are a group of complex organic compounds with two or more fused aromatic rings in their structure. PAHs are a result of the incomplete combustion of organic substances and are found in a wide range of environmental materials, including fossil fuels and byproducts, as well as atmospheric emissions from vehicles and industrial operations. PAHs are known carcinogens, and long-term exposure to these chemicals can lead to a variety of health issues. PAHs are found in a variety of environmental substances, including air, soil, and water, as well as in several commercial and industrial products.

Learn more about Polycyclic Aromatic Hydrocarbons: https://brainly.com/question/16963664

#SPJ11

What is the difference between the number of neutrons in an atom of iridium, Ir, with a mass number of 193, and the number of neutrons in an atom of plutonium, Pu, with a mass number of 244?

Answers

Answer:   150-116 = 34

Explanation: no. of neutrons in Ir ⇒ 193-77= 116

                      no. of neutrons in Pu ⇒ 244-94 = 150

so diffrence is 34

Find the number of ions in 6.5 GCU2 plus (molar mask = 63.55g/mol

Answers

There are 13 ions in 6.5 moles of Cu2+ ions.  It is also used in stoichiometry calculations to determine the amount of reactants and products in a chemical reaction.

What is Molar Mass?

Molar mass is the mass of one mole of a substance, expressed in grams per mole (g/mol). It is calculated by adding up the atomic masses of all the atoms in a molecule or formula unit of a compound. The molar mass of an element is the atomic mass of the element expressed in g/mol.

Molar mass is an important concept in chemistry, as it allows us to convert between mass and moles of a substance, and to determine the amount of substance present in a given mass.

To find the number of ions in 6.5 moles of Cu2+, we need to first determine the total number of ions present in 6.5 moles of Cu2+ ions.

One mole of Cu2+ ions contains 2 ions (as the 2+ charge is carried by each ion).

So, the total number of ions present in 6.5 moles of Cu2+ ions can be calculated as:

Number of ions = 2 ions/mole x 6.5 moles

Number of ions = 13 ions

Learn more about Molar Mass from given link

https://brainly.com/question/837939

#SPJ1

On Mars, the thermal energy released by the alpha decay of 238Pu fuel is transformed to electricity in a radioisotope thermoelectric generator (RTG). Why did engineers design an RTG for the rovers instead of using a fusion or fission reactor, and why did they use a fuel that generates alpha particles instead of beta particles or gamma rays? (paragraph) needs to be done now!

Answers

Alpha particles are substantially larger and heavier than beta particles or gamma rays, which is why engineers chose a fuel that produces alpha particles as opposed to beta particles or gamma rays.

Why didn't engineers use a fusion or fission reactor while designing an RTG for the rovers?

RTGs can be used in space missions when size, weight, and dependability are important considerations, although fusion and fission reactors are far larger and more sophisticated than RTGs.

Why didn't they utilize a fuel that produces beta or gamma rays instead of alpha or beta particles?

It is simpler to build an effective energy conversion system since alpha decay is a highly predictable process that generates a consistent supply of energy.

To learn more about alpha decay visit:

brainly.com/question/27870937

#SPJ1

The volume of a sample of oxygen has increases from 88 ml to 130 ml. if the initial pressure was 1200 mmHg, what is the final pressure?

Answers

Answer:

To solve this problem, we can use Boyle's Law, which states that the pressure and volume of a gas are inversely proportional when temperature is held constant. This can be expressed as:

P1V1 = P2V2

where P1 and V1 are the initial pressure and volume, and P2 and V2 are the final pressure and volume.

We can plug in the given values and solve for P2:

P1 = 1200 mmHg

V1 = 88 ml

V2 = 130 ml

P1V1 = P2V2

1200 mmHg * 88 ml = P2 * 130 ml

105600 mmHgml = 130P2 mlmmHg

105600 / 130 = P2

P2 = 811.08 mmHg

Therefore, the final pressure is approximately 811.08 mmHg.

Select all the statements that correctly describe multiple bonds.
A double bond arises when two atoms share two electrons between them.
Bond strength increases with the number of electron pairs shared between two atoms.
A multiple bond arises when a single central atom is bonded to several surrounding atoms.
A multiple bond arises when two atoms share two or more electron pairs.
Carbon frequently forms multiple bonds.

Answers

The statements that correctly describe multiple bonds are: A double bond arises when two atoms share two electrons between them. Bond strength increases with the number of electron pairs shared between two atoms. A multiple bond arises when two atoms share two or more electron pairs and Carbon frequently forms multiple bonds.

A double bond arises when two atoms share two electrons between them.Bond strength increases with the number of electron pairs shared between two atoms.A multiple bond arises when two atoms share two or more electron pairs.

Carbon frequently forms multiple bonds. Multiple bonds are covalent bonds where atoms share two or more electron pairs.A double bond forms when atoms share two pairs of electrons (four electrons) with each other. Double bonds can happen between carbon and oxygen, nitrogen, or sulfur atoms, for example.

In general, a multiple bond consists of a single bond, which is two electrons shared between two atoms, as well as other, weaker bonds between the same atoms. A double bond consists of one sigma bond and one pi bond, whereas a triple bond has one sigma bond and two pi bonds.

Carbon is a chemical element with the symbol C and atomic number 6. It is a nonmetallic element with a range of oxidation states (+4, +2, -4) and isotope forms. Carbon is well-known for forming multiple bonds, particularly with itself and nitrogen, oxygen, sulfur, and phosphorus.

Learn more about multiple bonds here:

brainly.com/question/27331499

#SPJ11

how many chirality centers are there in an aldohexose?

Answers

There are four chirality centers in an aldohexose.

Chirality centers are atoms in a molecule that can exist as two non-superposable mirror images, meaning that the molecule can exist in two versions that are mirror images of each other. An aldohexose is a type of sugar containing six carbon atoms and an aldehyde group, and four of its six carbon atoms can exist in two mirror-image versions.

The other two carbon atoms are connected to four hydrogen atoms, which prevents them from being chirality centers. To further explain, let's look at an example: glucose. Glucose has four chirality centers, located at the second, third, fourth, and fifth carbon atoms in the chain.

Each of these chirality centers has two possible arrangements. As a result, glucose can exist in sixteen different configurations.

To know more about chirality centers refer here:

https://brainly.com/question/31114760#

#SPJ11

How many cans are on each palet

Answers

Answer:

1440

Explanation:

32 cans/bundle and there are 45 bundles 32 x 45 = 1440

. which of the carbon numbers in the fatty acid above originated from malonyl-coa? a) carbons 1-8 d) all odd-numbered carbons b) carbons 9-10 e) all carbons c) all even-numbered carbons

Answers

Fatty acids receive 2-carbon units from malonyl-CoA, which assigns them to the production of fatty acid chains. Acetyl-CoA is carboxylated into malonyl-CoA by the acetyl-CoA carboxylase enzyme.

A 3-carbon dicarboxylic acid called malonate is linked to Coenzyme A in malonyl CoA. Using the biotin component of the enzyme acetyl-CoA carboxylase, malonate is created from acetyl-CoA by adding CO 2.
A crucial molecule in the metabolism of fatty acids is malonyl-CoA. It is both an allosteric inhibitor of the rate-setting phase in mitochondrial long-chain fatty acid oxidation and the rate-determining intermediary in fatty acid production.
The enzymes known as acetyl-CoA carboxylases (ACCs) catalyse the carboxylation of acetyl-CoA to create malonyl-CoA, which is then used by the enzyme fatty acid synthase (FASN) to create long-chain saturated fatty acids.
To know more about malonyl-CoA go through:-

https://brainly.com/question/16260075

#SPJ4

Other Questions
Let p and q be prime numbers satisfyingp^3-pq^2=42024Find the sum of the digits of the product pq. The Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 established the Consumer Financial Protection Bureau (CFPB). The purpose of the CFPB is to ensure that consumer finance markets work effectively. It provides a forum for consumers to submit their complaints about the services received from financial providers. It also educates consumers about financial matters to help them make sound financial decisions.Use this consumer credit card market report, published by the CFPB in 2017, to answer the following questions.Refer to section 1.3.2, Credit scores, on page 22 of the report.For which two purposes do credit card issuers use credit scores?Select all the correct answers.Oto determine the consumer's age and genderOto set pricing for rewards programsO to determine the consumer's eligibility for creditO to set pricing for late feesto set pricing for credit linesto determine the number of credit cards to be issued by a lending company value ventures, inc., contracts to buy umbrage corporation's assets. umbrage breaches the contract. value files a suit against the corporation, seeking various remedies. the doctrine of election of remedies has been eliminated in contracts involving sales of 2. This diagram shows an electric bell ringing in a sealed glass chamber containing air. to vacuum pump 5655 bell A student hears the bell ringing. The air is then removed from the chamber. State and explain any change in the sound heard by the student. which of the following would not be included in a nation's gross domestic product (gdp)? the inventory of paper towels goes up. in a poker game a student wins $500 that he does not report as income. a landlord rents an apartment. the government purchases 100 new trucks for the army. How long has the breakdown of the ozone layer been occurring? In 1928, Fredrick Griffith performed the first major experiment that led to the discovery of DNA as the genetic material- Griffith studied two strains of the bacteria Streptococcus pneumonia- He found that one strain could be transformed, or changed, into the other form- Of the two strains he studied, one had a sugar coat and one did not.- Coated strain caused pneumonia - Smooth (S) strain- Noncoated strain does not cause pneumonia - Rough (R) strain; without the coat, colonies have rough edgesare part of? ssume there is a certain population of fish in a pond whose growth is described by the logistic equation. It is estimated that the carrying capacity for the pond is 1800 fish. Absent constraints, the population would grow by 180% per year.If the starting population is given by p0=100 , then after one breeding season the population of the pond is given byp1 = After two breeding seasons the population of the pond is given byp2 = Gianni Versace S/S 1992 Bustier Lace Bra Sheer Panels Slit Evening Dress Gown by? a company has net sales of $795,800 and cost of goods sold of $574,800. its net income is $28,030. the company's gross margin and operating expenses, respectively, are: the rec consists of 10 members, eight of whom are in the real estate profession, and two other members who aren't affiliated with real estate. instead, how do they get on the rec? QUESTION 8All lines on the Works Cited page should line up with the left margin.TrueO False4 For this assignment, you will find the information you need to give your input on a labor or employment issue to an appropriate person in the state government. Then, you will consider the advantages and disadvantages of the options you find. Photoelectric effect7.A metal surface having a work function of 3.0 eV is illuminated with radiation of wavelength350nm. Calculate:a) The threshold frequency (fo) and wavelength (Ao)b) The maximum kinetic energy of the emitted photoelectronsa) Calculate the work function (in eV) for a magnesium surface if the minimum frequency ofelectromagnetic radiation which causes photoemission from the metal surface is8.9 x 104 Hz. in Joulesb) If the same surface were illuminated with radiation of wavelength 250 nm, calculate:i. The maximum kinetic energy,ii. The maximum velocity, of the emitted photoelectrons9. When electromagnetic radiation of frequency 1.5 x 1014 Hz is incident on a metal surface, themaximum kinetic energy of the emitted photoelectrons is found to be 3.8 x 10-20 J. Calculate thework function of the metal.10. Photons of electromagnetic radiation having energies of 1.0 eV, 2.0 eV and 4.0 eV are incident on ametal surface having a work function of 1.7 eV.a) Which of these photons will cause photoemission from the metal surface?b) Calculate the maximum kinetic energies (in eV and J) of the liberated electrons in each ofthose cases where photoemission occurs.11. A vacuum photocell connected to a microammeter is illuminated with light of varying wavelength.a) Explain why:i. A photoelectric current is registered on the microammeter when light of a certainwavelength is incident on the photocell.ii. The current is found to increase with the light intensity is increased.b) When the incident light wavelength is increased, the photoelectric current falls to zero. decre-ased.Explain why:i. The current falls to zero.ii. The current would still be zero if the light wavelength is kept the same and theintensity is increased. Suppose that two equally charged spheres attract each other with a force of -0.492 N ("-" means attractive) when placed a distance of 29.1 cm from each other. Determine the charge of the spheres. 100 points!!!Express the function graphed on the axes below as a piecewise function explain how credit scores are similar to grades on a report card? Question 7 (2.5 points)No communication style is always superior to another; effectiveness depends on the situation.1) True2) False The data given cars a moter by graph representing Year s No. of produced below shows. shows the production of company Draw a line the data. 2013 2009 10,200/12, 400 11, 200|15, 100 18.000 2010 2011 2012 scores on the wechsler intelligence quotient (iq) test for adults have a normal probability distribution with a mean score of 100 and a standard deviation of 15 points. the us military has minimum enlistment standards at about an iq score of 85. based on iq scores only, what is the probability that a randomly selected adult does not meet us military enlistment standards? group of answer choices 68% 95% 32% 5% 16% 2.5%