Calculate the root-mean-square (rms) in m/s for an NO2 molecule at 95°C.​

In the synthesis of nucleotides, the nitrogenous bases of purines and pyrimidines are synthesized separately and then attached to the sugar-phosphate backbone of the nucleotide.

What is synthesis ?

Synthesis refers to the process of combining simpler components or building blocks to create a more complex substance or system. In other words, it is the creation of something new from individual parts or elements. Synthesis can occur at various levels, from the molecular level to the level of complex systems or structures.

Purines and pyrimidines, which are nitrogenous bases, are produced separately and subsequently joined to the sugar-phosphate backbone of the nucleotide during the synthesis of nucleotides. These nitrogenous bases will synthesise with the marker nitrogen from aspartate already present.

The nitrogen atoms in the ring structure of purines are derived from both glutamine and aspartate. Inosine monophosphate (IMP), a precursor for the production of AMP and GMP, is formed as the first step in the synthesis of purine nucleotides. A simplified diagram of the production of purine nucleotides is shown below, with the nitrogen atoms from aspartate and glutamine indicated:

In the case of pyrimidines, the nitrogen atoms in the ring structure come from aspartate and glutamine. The synthesis of pyrimidine nucleotides starts with the formation of uridine monophosphate (UMP), which serves as a precursor for the synthesis of the other pyrimidine nucleotides. The following is a simplified scheme of the synthesis of pyrimidine nucleotides, indicating the nitrogen atoms that come from aspartate and glutamine:

Therefore, the nitrogen atoms in the purine and pyrimidine bases that include the marker nitrogen from aspartate will be as follows:

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KCN is potassium cyanide, and NaBrO2 is sodium bromide, strontium hydroxide (SrOH), iron carbonate (Fe2CO3)3, and chromium nitrate (CrNO3)3.

Ammonium NH4+ and sulfate SO42- are the two polyatomic ions that make up the ionic compound Ammonium Sulfate. To balance the sulfate ions, Ammonium Sulfate (NH4)2SO4 is produced by removing one electron from ammonium. Two NH4+ particles and one SO4 2-particle is found in every atom of ammonium sulfate.

Monosodium phosphate, monosodium dihydrogen orthophosphate, and monosodium phosphate are the three types of sodium phosphate. Formula Linear: NaH2PO4.

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A. Cr2O3 (Chromium (III) Oxide); Stock Name: Chromic Oxide b. (NH4)3PO4 (Ammonium Phosphate); Stock Name: Ammonium Phosphate c. CaSO4 (Calcium Sulfate); Stock Name: Gypsum.

Gypsum is a soft, white, mineral composed of calcium sulfate dehydrate. It is typically found in the form of sedimentary rock and is an important component of soil. Gypsum can be used in a variety of industrial and commercial applications. It is often used in the production of plaster and drywall, as well as in cement and concrete.

II. a. Iron(II) Chloride

b. Barium Hydroxide

c. Lithium Cyanide

d. Lead(II) Chloride

The correct pairing is d. P4Q10: tetraphosphorus decoxide. Phosphorus can form up to four single bonds with oxygen, so the correct compound name would be tetraphosphorus decoxide.

IV.a. C2H2

b. C2H4

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The mass of oxygen produced when 1.840 mol of H2O2 decomposes is 29.44g and the mass of water produced when 5.0 mol O, is produced by this reaction is 180.02g.

Given  that the Hydrogen peroxide breaks down, releasing oxygen as:

[tex]2H2O2(g) -- > 2H2O(1) + O2(g)[/tex]

a.) The mass of oxygen is produced = m

Given the number of moles of H2O2 = 1.840

We know  The molecular weight of H2O2 is  = 34.01 g/mol

the molecular weight of O2 is = 32.00 g/mol.

We know that number of moles is equal to mass of substance divided by its molar mass such that:

number of moles of O2 = 1.840 mol H2O2 x (1 mol O2 / 2 mol H2O2)

The mass of O2 =  0.920 mol O2 * 32 g/mol O2 = 29.44g

b.) Given the number of moles of O = 5.0

Then number of moles of H2O produced = 5.0 mol O2 x (2 mol H2O / 1 mol O2) = 10 mol H2O

mass of H2O produced =  10 mol H2O * (18.02 g H2O / 1 mol H2O) = 180.02 g H2O

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According to the forces of attraction and kinetic theory of gases , the size and number of particles in the sample remains same while the average speed of the particles increases.

Forces of attraction  is a force by which atoms in a molecule  combine. it is basically an attractive force in nature.  It can act between an ion  and an atom as well.It varies for different states  of matter that is solids, liquids and gases.

The forces of attraction are maximum in solids as  the molecules present in solid are tightly held while it is minimum in gases  as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.

The physical properties such as melting point, boiling point, density  are all dependent on forces of attraction which exists in the substances.

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Answer:

120.2 g of aluminum sulfate will be produced

Explanation:

The balanced chemical equation for the reaction between aluminum hydroxide and sulfuric acid is:

2Al(OH)3 + 3H2SO4 → Al2(SO4)3 + 6H2O

According to the equation, it takes 2 moles of aluminum hydroxide to react with 3 moles of sulfuric acid to produce 1 mole of aluminum sulfate.

To find out how many grams of aluminum sulfate will be produced, we first need to calculate the number of moles of each reactant.

The molar mass of aluminum hydroxide (Al(OH)3) is:

Al = 26.98 g/mol

O = 15.99 g/mol (3 atoms)

H = 1.01 g/mol (9 atoms)

Total = 78.00 g/mol

Therefore, 54.9 g of aluminum hydroxide is equal to 54.9 g / 78.00 g/mol = 0.7038 moles of aluminum hydroxide.

The molar mass of sulfuric acid (H2SO4) is:

H = 1.01 g/mol (2 atoms)

S = 32.07 g/mol

O = 15.99 g/mol (4 atoms)

Total = 98.08 g/mol

Therefore, 91.9 g of sulfuric acid is equal to 91.9 g / 98.08 g/mol = 0.9361 moles of sulfuric acid.

Since 2 moles of aluminum hydroxide react with 3 moles of sulfuric acid to produce 1 mole of aluminum sulfate, the limiting reactant in this case is aluminum hydroxide, as it is present in the smaller amount.

The number of moles of aluminum sulfate produced can be calculated as:

0.7038 moles Al(OH)3 × (1 mole Al2(SO4)3 / 2 moles Al(OH)3) = 0.3519 moles Al2(SO4)3

The molar mass of aluminum sulfate (Al2(SO4)3) is:

Al = 26.98 g/mol (2 atoms)

S = 32.07 g/mol (3 atoms)

O = 15.99 g/mol (12 atoms)

Total = 342.15 g/mol

Therefore, the mass of aluminum sulfate produced is:

0.3519 moles Al2(SO4)3 × 342.15 g/mol = 120.2 g

Therefore, 120.2 g of aluminum sulfate will be produced.

Answer:

It does not have an overall charge, and is a neutral molecule. For free elements, the oxidation number is zero. Hence, the oxidation number of hydrogen in ${H_2}$ is zero as well. Some examples of free elements having zero oxidation state are: $Na,\,Fe,\,{O_2},\,{S_8}$ et cetera.

Explanation:

One mole of H₂ reacts with one mole of Cl₂ to give 2 moles of hydrogen chloride gas. The volume of H₂ that will completely react with Cl₂ is 22.4 litres.

In the International System of Units, the mole is the unit of amount of a substance. It is specified that the mole contains exactly 6.022 * 10²³ elementary particles such as atoms, ions or molecules, similar to how a dozen denotes twelve.

At standard temperature and pressure (STP), one mole of any gas occupies a volume of 22.4 litres. From the given equation, the molar ratio of hydrogen and chlorine is 1:1. Since 22.4 litres of chlorine gas is used, then similarly, 22.4 litres of hydrogen gas must also be used up to give 2 moles of the product, hydrogen chloride gas.

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Once equilibrium has been restored, we need to increase the amount of carbon monoxide to 0.300 mol by adding 0.343 mol of carbon dioxide at a fixed temperature and volume.

By measuring the rate of effusion through a pinhole, the composition of the equilibrium mixture (Cl2=2Cl), which is obtained at 1200 degrees Celsius, is ascertained. At 1.80 mm hg pressure, it is noted that the mixture emits 1.16 times more quickly than Krypton does at the same pressure.

The following is the expression for the reaction's equilibrium constant:

Kc = [CO2][H2] / [CO][H2O]

Do the equilibrium constant calculation:

Kc = [(0.250 mol/L)(0.250 mol/L)] / [(0.200 mol/L)(0.200 mol/L)]

= 1.5625 mol/L

The updated equilibrium concentrations of every species will be:

[CO2] = 0.250 + x mol/L

[H2] = 0.250 + x mol/L

[CO] = 0.300 mol/L

[H2O] = 0.200 + x mol/L

When we substitute these concentrations into the formula for the equilibrium constant, we obtain:

Kc = [(0.250 + x)(0.250 + x)] / [(0.300)(0.200 + x)]

Simplifying and solving for x, we get:

1.5625 = [(0.250 + x)(0.250 + x)] / [(0.300)(0.200 + x)]

4.6875(0.300 + x) = (0.250 + x)(0.250 + x)

1.40625 + 1.40625x = 0.0625 + 0.5x + x²

x² + 1.09375x - 1.34375 = 0

Using the quadratic formula, we get:

x = 0.343 mol

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The table below lists the chemical and physical features of sodium fluoride (NaF), sulfite (CS2), and calcium iodide (CaI2):

Scientists can easily identify the properties of specific features, like its mass, electron number, and electron, thanks to the periodic table's organization.

At normal temperature, CaI2 is a solid, CS2 is a liquids, and NaF is a stable.

Melting Point: CaI2, CS2, and NaF all have high melting temperatures of 819°C, -110.8°C, and 993°C, respectively.

Boiling Point: The specific heats of CaI2, CS2, and NaF are 1,309°C, 46.3°C, and 1,705°C, respectively.

Water Reactivity: CaI2 combines with water to produce calcium hydroxide and hydroiodic acid. As CS2 cannot disintegrate in water, it does not mix with it. NaF interacts with water to generate alkaline solution and hydrofluoric acid.

CaI2 is a salt that decomposes in water to produce calcium metal ions and iodide anions, giving it acid-base properties. In water, the acid CS2 and the basic salt NaF separate to produce sodium metal ions and fluoride anions.

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To determine the density and identity of the metal, we need to first calculate the volume of the metal object, and then use its mass and volume to calculate the density.

The volume of the metal object can be calculated by measuring the change in the volume of the water in the graduated cylinder before and after the object was placed in it. The difference between the final volume (106.2 mL) and the initial volume (100.0 mL) is equal to the volume of the metal object.

Volume of metal object = final volume - initial volume

Volume of metal object = 106.2 mL - 100.0 mL

Volume of metal object = 6.2 mL

Next, we can calculate the density of the metal using the formula:

Density = mass / volume

Substituting the values we have:

Density = 16.7 g / 6.2 mL

Density = 2.69 g/mL

The density of the metal is 2.69 g/mL.

To identify the metal, we can compare its density to the densities of known metals. A quick search shows that the density of aluminum (Al) is around 2.7 g/mL, which is close to the calculated density of the metal in question. Therefore, it is possible that the metal object is made of aluminum. However, we cannot be certain without further testing.

The structure of the compound is shown in the image attached

The molecular formula gives information about the types and number of atoms in the compound. This can be used to determine the possible functional groups and the degree of unsaturation (the number of rings or double bonds) in the compound.

When we look at the name of the compound, we can be able to tell the bonds and the substituents that we have in the compound and that would help us to deduce its structure.

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To find the molar mass of element X, we need to use the given information to determine the number of moles of oxygen in the sample, and then use that to calculate the number of moles of element X in the sample. Then we can divide the mass of the sample by the number of moles of element X to get the molar mass.

First, we need to calculate the number of moles of oxygen in the sample. We can use the molar mass of oxygen (16.00 g/mol) to convert the mass of oxygen atoms to moles:

moles of oxygen = mass of oxygen / molar mass of oxygen

moles of oxygen = 14.4 g / 16.00 g/mol

moles of oxygen = 0.900 mol

Next, we need to use the formula of X2O3 to determine the number of moles of element X in the sample. The formula indicates that there are 2 moles of element X for every 3 moles of oxygen in the compound. Therefore:

moles of X = 2/3 × moles of oxygen

moles of X = 2/3 × 0.900 mol

moles of X = 0.600 mol

Now we can use the mass of the sample and the number of moles of element X to calculate the molar mass of X:

molar mass of X = mass of sample / moles of X

molar mass of X = 30.6 g / 0.600 mol

molar mass of X = 51.0 g/mol

Therefore, the molar mass of element X is 51.0 g/mol.

The perchloric acid solutions has a concentration of 4.66 mol/L. How so much solute has been absorbed in the solvent is indicated by the solution's level of concentration.

The percentage of a material, like salt, that is present in a specific volume of a liquid or tissue, like blood. Less water is present, and the material becomes more concentrated. Whenever a person doesn't consume sufficient amounts of water, for instance, the salt concentration in their urine may increase.

Ba(OH)2 moles equal volume times concentration, or 23.4 mL times 0.100 mol/L, or 0.00234 mol.

We can deduce from the equation that m2 m of HClO4 react including one mole pf Ba(OH)2. Hence, the amount of moles of Concentrated h2so4 in the 4.66 mL aliquot could be calculated as

0.00234 mol Ba(OH)2 divided by 1 equals moles of HClO4. (1 mol Ba(OH)2 / 2 mol HClO4) 0.0217 mol is equal to (1 L / 1000 mL) (4.66 mL / 1)

The concentration of a perchloric acid can finally be determined as follows:

HClO4 concentration is calculated as follows: moles per liter = 0.0217 mol / 4.66 mL = 4.66 mol/L

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The statement that is not true about what happens in all chemical reactions is as follows: the ways in which atoms are joined together are changed (option A).

Chemical reaction is a process, typically involving the breaking or making of interatomic bonds, in which one or more substances are changed into others.

A chemical reaction is different from physical change being that a chemical reaction involves the breaking of bonds in the substance called reactants to form new substances called products.

Characteristics of a chemical reaction are as follows:

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Phosphate of sodium: Nitrate of zinc, Na3PO4, Zn(No3)2, bromate of barium: Perchlorate of iron (II) and ba(BrO3)2: Cobalt (II) hydrogen carbonate, Fe(ClO4)2: Co(HCO3)2.

Hydrogen acetate, also known as acetic acid, is the simplest of these, consisting of its salts, esters, and the polyatomic anion CH3CO2, or CH3COO.

Potassium dichromate is the chemical name of an inorganic chemical reagent known as K2Cr2O7. Dipotassium bichromate and potassium bichromate are other names for it. It is a bright reddish-orange crystalline ionic solid. It has no odor and is insoluble in alcohol and acetone, but it dissolves in water.

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According to the question the partial pressure of nitrogen is 704.7 mmHg.

Pressure is a physical quantity that describes the amount of force applied to an object per unit area. It is measured in units of force per unit area, such as pascals (Pa) or pounds per square inch (psi). Pressure is an important factor in many scientific fields such as thermodynamics, fluid dynamics, and mechanics. Pressure is also a measure of how much energy is stored in a given material or system. Pressure is a scalar quantity, meaning that it has a magnitude but no direction. Pressure can be created by a number of sources, such as gravity, the exertion of force, and the application of heat.

The partial pressure of nitrogen is equal to the total pressure of the system minus the vapor pressure of water vapor. In this case, the total pressure is 760.0 mmHg, and the vapor pressure of water at 40°C is 55.3 mmHg. Thus, the partial pressure of nitrogen is:

Partial pressure of nitrogen = 760.0 mmHg - 55.3 mmHg = 704.7 mmHg

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This means that the ratio of anhydrous compound to water in the hydrate is 1:2. Therefore, the value of "n" in the hydrate formula is 2.

To determine the value of "n" in the hydrate formula, we need to use the given information to calculate the number of moles of anhydrous compound and water in the sample, and then use the mole ratio between them to determine the value of "n".

First, we can calculate the number of moles of anhydrous compound:

moles of anhydrous compound = mass / molar mass

moles of anhydrous compound = 85.25 g / 208 g/mol

moles of anhydrous compound = 0.4091 mol

Next, we can calculate the number of moles of water:

moles of water = mass / molar mass

moles of water = 14.75 g / 18.015 g/mol

moles of water = 0.8180 mol

Anhydrous Compound - nH₂O

The mole ratio between the anhydrous compound and water is:

moles of anhydrous compound : moles of water

0.4091 mol : 0.8180 mol

We can simplify this ratio by dividing both sides by the smaller value:

0.4091 mol / 0.4091 mol : 0.8180 mol / 0.4091 mol

1 : 2

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The total number of moles of ammonia produced when 10 moles of hydrogen reacts with a mole of nitrogen would be = 6.7 moles of ammonia.

From the balanced chemical equation given above, 1 mole of nitrogen reacts with 3 moles of hydrogen to produce 2 moles of ammonia.

This means that;

3 moles of Hydrogen = 2 moles of ammonia

10 moles of hydrogen = X moles of ammonia

Make X the subject of formula;

X = 10×2/3

= 20/3

= 6.7 moles of ammonia.

Therefore when 10 mole of hydrogen reacts with nitrogen, 6.7 mole of ammonia will be produced.

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Answer:

Let x = amount invested in certificate of deposit (in dollars)

Let y = amount invested in corporate bonds (in dollars)

Total amount invested = $100: x + y = 100

CD pays 2% per year, corporate bonds pay 4% per year, total return is 3% per year

Total return on investments = 3% of $100 = $3: 0.02x + 0.04y = 3

Simplifying the equations:

x + y = 100

2x + 4y = 300

Solving for x:

x + y = 100

x = 50

Therefore, the person should invest $50 in the certificate of deposit and $50 in corporate bonds to obtain an overall return of 3% per year.

Explanation:

The molecular formula of a compound is a whole number multiple of its empirical formula. In molecular formula the actual number of atoms of various elements are depicted.

The empirical formula of a compound can be defined as the formula which gives the simplest whole number ratio of atoms of various elements present in one molecule of the compound.

Answer for Vth question:

a. C₅H₄

b. CH

Answer for VIth question:

a. Na₂SO₄ , Ca(NO₃)₂ = Reactants   CaSO₄ , NaNO₃ = Products

b. Mg , N = Reactants    Mg₃N₂ = Product

Answer for VIIth question:

a. 2Hg(NO₃)₂ (s) → 2HgO (s) + 4NO₂ (g) + O₂ (g)

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The amount of ions is caculated by, the formula of follows [tex]$$c=M \times V$$[/tex][tex]$C$[/tex] is the amount [tex]$M$[/tex] is the molarity and[tex]$V$[/tex] is the volume.

In the chemical reaction, the reaction bate is the change in concentration of reactant per unit time. The time for a reaction is calculated by the formula of fallers.

Convey the volume from  [tex]$m L$ to $L$[/tex] by the conversion factor as follows

[tex]\begin{aligned}1 \mathrm{~mL} & =10^{-3} \mathrm{~L} \\1.80 \times 10^{-10} \mathrm{~mL} & =1.80 \times 10^{-10} \mathrm{mc} \times \frac{10^{-3}}{1 \mathrm{~mL}} \\& =1.80 \times 10^{-13} \mathrm{~mL}\end{aligned}[/tex]

Calculate the time by the eq [tex]$83.464 \times 10^7$[/tex]Io runt, of

[tex]$$\begin{aligned}t & =\frac{83.464 \times 10^7 \mathrm{Na}^{-1} \text { ions }}{5.0 \times 10^7 \mathrm{Na}^{-1} \text { io ry / chanel } \mathrm{s}} \\& =16.69 \text { chanel }-\mathrm{s}\end{aligned}$$[/tex]

The time required is 16.69chanel-s

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Answer:

He

P

Na

K

Rb

Cs

Explanation:

I am not sure if Na was one of the choices, but if it is this is the order. If not then just take out Na and then it is in the correct order.

Answer:

Not all sugars are bad for you because there are different types of sugars that have different effects on the body.

For example, natural sugars found in fruits, vegetables, and dairy products are considered good sugars because they are accompanied by fiber, vitamins, and minerals that are beneficial for the body. These sugars are also absorbed more slowly by the body, which helps to regulate blood sugar levels and prevent spikes in insulin.

Another example of a good sugar is honey, which contains antioxidants and has antibacterial properties. It is also a natural sweetener that can be used in moderation to add flavor to foods and drinks.

On the other hand, added sugars found in processed foods and drinks are considered bad sugars because they are often high in calories and low in nutrients. These sugars can contribute to weight gain, inflammation, and other health problems when consumed in excess.

Examples of added sugars to avoid include high fructose corn syrup, table sugar, and syrups used in processed foods and drinks. It is important to read food labels and limit intake of added sugars to maintain a healthy diet.

Answer: (A) acidity

Explanation: Acidity is a measure of how acidic a substance is. pH is a system used to measure the H+ ion concentration in a substance. Using the equation -log([H+]=pH, if given a pH value less than 7, a substance is acidic, and greater than 7 indicates basicity.

Common indicators are phenolphthalein and bromthymol blue which turn different colors depending on the acidity of the solution they're in. This color tells us nothing about the boiling point, density, or electrical conductivity.

Hope this helps!

Explanation:

We can use the formula for calculating the heat absorbed by a substance to find its specific heat:

q = mcΔT

where q is the heat absorbed, m is the mass of the substance, c is its specific heat, and ΔT is the change in temperature.

We can first calculate the change in temperature:

ΔT = 124.2 °C - 28.1 °C = 96.1 °C

Next, we can substitute the given values into the formula and solve for c:

1585 J = (45.58 g) c (96.1 °C)

c = 1585 J / (45.58 g × 96.1 °C)

c = 0.357 J/g⋅∘C

Therefore, the specific heat of the substance is 0.357 J/g⋅∘C.

The correct mass of potassium iodide added to the flask is 35g. To calculate the mass of potassium iodide added to the flask, we need to use the formula

mass = volume x concentration x molar mass

volume = 0.10 L (given)

concentration = 2.1 M (given)

molar mass of KI = 166.0028 g/mol (from periodic table)

Substituting these values in the formula, we get:

mass = 0.10 L x 2.1 mol/L x 166.0028 g/mol = 35.001484 g

Rounding off to the correct number of significant digits (two), the mass of potassium iodide added to the flask is:

mass = 35 g (rounded to two significant digits)  

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