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Refer to Activity 2 in Lab 3A to answer the question below
Two amino acids are shown below in the process of forming a peptide bond (labeled). The hydroxyl (-OH circled in red) is being removed from the carboxyl group of the first amino acid. A hydrogen
atom (-H circled in red) is being removed from the amine group from the second amino acid. The removed -OH and -H will form water (H20)
Question
What chemical reaction takes place when water is removed to form a bond (as is being shown below)?
Answers
Explanation:
Refer to Activity 2 in Lab 3A to answer the question below
Two amino acids are shown below in the process of forming a peptide bond (labeled). The hydroxyl (-OH circled in red) is being removed from the carboxyl group of the first amino acid. A hydrogen
atom (-H circled in red) is being removed from the amine group from the second amino acid. The removed -OH and -H will form water (H20)
Question
What chemical reaction takes place when water is removed to form a bond (as is being shown below)?
Related Questions
Now i know that each of the 3 main layers of earth has its own features,as follows….
Answers
The 3 main layers of earth has its own features, as follows;
The Crust: this is seen as the outer layer and this is where humans as well as animals live and plants develop.The Mantle: is seen as the semi-solid magma layer that is made up of iron, magnesium, as well as silicon.The Core: is known to be centrally made up of solid mass of metal ( and it has an inner core) as well as a liquid mass of iron/nickel (which is the outer core).What is the full meaning of Earth?The earth is known to be a kind of fragmental particles that are made up of different part of the surface of the globe.
Note therefore, The 3 main layers of earth has its own features, as follows;
The Crust: this is seen as the outer layer and this is where humans as well as animals live and plants develop.The Mantle: is seen as the semi-solid magma layer that is made up of iron, magnesium, as well as silicon.The Core: is known to be centrally made up of solid mass of metal ( and it has an inner core) as well as a liquid mass of iron/nickel (which is the outer core).Learn more about core from
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How much time did it take Little Debbie to run 15 m if she was running 3 m/s?
Answers
Time did it take a little debbie to run 15 m if she was running 3 m/s is 5 sec.
debbie running speed = 3 m/s
so,
in one meter = 1/3 sec
we have to calculate the time taken by little debbie to run 15 meters ,
therefore,
Time = distance / speed
time take by debbie to run 15 m = 15 / 3 sec
= 5 sec.
so, time taken by little dubbie to cover the distance of 15 meter is 5 sec.
Hence, Time did it take a little debbie to run 15 m if she was running 3 m/s is 5 sec.
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Why does the ducks have flat beaks ?why does the ducks have flat beaks ?
Answers
The monomers of proteins are called amino acids. Draw the protein amino acid alanine and label the central carbon, the amino functional group, the carboxyl functional group, and the methyl functional group. Be sure to show ALL of the atoms within the molecule (Alanine has the molecular formula C3H7NO2). Draw a second amino acid of your choice (glycine is the simplest amino acid to draw).
Answers
pls answer quick
Consider the following claim: Group behavior can increase the chances for an individual and a species to survive and reproduce.
Identify evidence from the lesson that supports this claim. Use specific examples to explain the cause-and-effect relationship between particular group behaviors and an individual’s survival. Then, identify an additional, reputable source that provides evidence to further support this claim. Use this additional evidence to draw a conclusion about the role of group behavior in individual and species’ survival. Provide a link to the source at the bottom of your response.
Answers
Group behavior is also known as collective behavior, which increases the chances of species to reproduce and survive because they rely on one another to carry out actions essential for their survival like hunting, migration, and breeding.
Ethologists claim that social organisms rely heavily on other group members to survive.
The basic example of group behavior is a school of fish. These little fish species congregate in huge groups and travel great distances in search of food. When more people joined the group, researchers from Princeton University found that their ability to maintain orientation improved, making them more receptive to their surroundings.
Moreover, there are many pieces of evidence that show orcas (killer whales), which are highly sociable animals, form big pods of 20–30 people and 'plan' their hunting techniques. Younger individuals are also taught essential hunting techniques by older females who swim with them.
Conclusion: Social organisms that travel in groups rely on all members to carry out crucial behaviors that, if they didn't, would cause a significant decline in their populations because they couldn't feed or reproduce as successfully on their own as they could with the group's "help."
The link to the source is:- Couzin, I.D. (2018) Collective animal migration, Current Biology 28(17), R976-980.
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The mass of 3 different marbles was determined to
be equal to 19.7 g, 19.21 g, and 18 g. What is the
average mass of the marbles?
Answers
A sample of seawater from a tidal estuary was found to contain a concentration of 825 mg of chloride ion per kg of seawater. If the density of the sample was 1.035 g/mL, what is the molarity of the chloride ion?
Answers
The molarity of the chloride ion in the sea water is 0.024 M
We'll begin by obtaining the volume of the sea water. This can be obtained as follow:
Mass of water = 1 Kg = 1000 gDensity = 1.035 g/mLVolume of water = ?Density = mass / volume
Thus,
Volume = mass / density
Volume of water = 1000 / 1.035
Volume of water = 966.18 mL
Next, we shall determine the mole of the chloride ion. This is illustrated below:
Mass of chloride ion = 825 mg = 825 / 1000 = 0.825 gMolar mass of chloride ion = 35.5 g/molMole of chloride ion =?Mole = mass / molar mass
Mole of chloride ion = 0.825 / 35.5
Mole of chloride ion = 0.0232 mole
How to determine the molarityMole of chloride ion = 0.0232 moleVolume = 966.18 mL = 966.18 / 1000 = 0.96618 LMolarity = ?Molarity = mole / volume
Molarity = 0.0232 / 0.96618
Molarity = 0.024 M
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which reaction condition can't be used for the following transformation
Answers
The reaction condition making use of hydrazine (NH₂-NH₂) and hydroxyl ions cannot be used for the mentioned transformation.
Which catalysts are used for conversion of nitro compound to aniline?
Catalysts used for the reduction of nitro compound to aniline are palladium catalysts ,although iron and nickel along with HCl can also be used as they all belong to d-block of the periodic table, which are well-known for their properties to be used as a catalyst.
Hydrazine cannot be used as a catalyst for the conversion of nitro compound to aniline as it is expensive as well as poisonous. Catalysts which are to be used for such conversions must be cost effective and safe to handle.
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A contest asks entrants to guess how many tennis balls can fit in a rectangular swimming pool that is 4 feet deep. The pool is 98 feet long and 35 feet across. Each tennis ball takes up 8 cubic inches of space. Which of the following would make the best scale model of the pool?
Answers
So the total volume is 1035 cubic meters. A tennis ball, according to the International Tennis Federation (ITF), has the official diameter of 6.54–6.86 cm.
What is International Tennis Federation?The International Tennis Federation (ITF) is the organization in charge of wheelchair tennis, beach tennis, and international tennis. The International Lawn Tennis Federation was established in 1913 by twelve national tennis associations. The ITF has 211 national associations and six regional associations as of 2016.
The ITF's governance duties include upholding and implementing tennis regulations, overseeing global team events, marketing the game, and protecting the integrity of the sport through anti-doping and anti-corruption initiatives. The Women's Tennis Association (WTA) and the Association of Tennis Professionals (ATP) are partners with the ITF in governing professional tennis.
The ITF coordinates annual team tournaments for men's (Davis Cup), women's (Billie Jean King Cup), and mixed teams (Hopman Cup) as well as the Grand Slam events.
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I know what the answers are, but how to I get to that point? I don’t understand what calculations I should be doing.
Answers
Answer:
which question doyou need the answer?
A proton has a charge of
a. -1 and is smaller in size than an electron
b. +1 and is smaller in size then an electron
c. -1 and is larger in size then an electron
d. + and is larger in size then an electron
Answers
A proton has a charge of +1 and is larger in size then an electron.
Negatively charged electrons typically orbit the atomic nucleus of an atom. Protons and neutrons are substantially larger than electrons. Their charge is as powerful as a proton despite their small size; hence one proton and one electron will cancel each other out. Protons have a mass of 1 atomic mass unit (amu), or around 1.671027 kilograms, and a positive electrical charge of 1 (+1). Electrons are negatively charged particles, but protons are positively charged particles. The magnitude of the charge of an electron and a proton is the same, which is 1.6×10−19C. Electrons revolve around the nucleus of an atom in discrete orbits, but the protons reside inside the nucleus of the atom.
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Which properties cause chemical reactions?
Answers
Answer:
reactivity, flammability and the ability to rust
Explanation:
reactivity is the ability of matter to react chemically with other substances
flammability is the ability of matter to burn
Calculate the formula mass of the molecule from its structure.
formula mass: __________ amu
Answers
The molecular formula of the given structure is C₁₀H₁₃N₅O₄ and its formula mass is 267 amu.
A molecule's formula mass (also known as formula weight) is the sum of the atomic weights of the atoms in the compound's empirical formula. The formula mass is expressed in atomic mass units (amu).
From the structure of the molecule, we can easily identify the molecular formula of the structure:
Therefore, the molecular formula of the given structure is C₁₀H₁₃N₅O₄.
Now,
Mass of Carbon = 12.011 u
= 10 × 12.011 u
= 120.11 u
Mass of Hydrogen = 1.00784 u
= 13 × 1.00784 u
= 13.10192 u
Mass of Nitrogen = 14.0067 u
= 5 × 14.0067 u
= 70.0335 u
Mass of Oxygen = 15.999 u
= 4 × 15.999 u
= 63.996 u
Formula mass of C₁₀H₁₃N₅O₄ = 120.11 + 13.10192 + 70.0335 + 63.996
= 267.24142 u
Thus, the formula mass of the given structure i.e., C₁₀H₁₃N₅O₄ is 267.24142 u
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pleeeeeaaseeeee heeeelpppp
Answers
Answer: I think it's C
Explanation:
Probably wrong. I have a different type of chemistry.
Compare the compressibility of gases and liquids. Support your answer by describing the arrangement of particles in gases
and liquids.
Answers
The compressibility of gases is more difficult than that of liquids. Because, the intermolecular forces in gases is very less and to compress the diffused gas molecules high pressure have to be applied.
What is compressibility ?Compressibility of a substance is the ability to compress to decrease its volume under high pressure. It is dependent on the intermolecular force in the substance.
In liquids unlike solids there is some space for the particles to move apart and that is why liquid can flow. In the case of gases, this distance between particles is greater and particles are free to spread everywhere. Therefore, the intermolecular attraction is very less in gaseous substances.
To compress the substance, the force of attraction between particles have to be increased and volume have to be decreased. Therefore, it is too difficult to compress gases, in which particles are far apart from each other.
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A two-step reaction mechanism that has an overall reaction of 2H₂O₂(aq) step and rate law. Step 2: H₂O₂ + Or → H₂O + O₂ + I (fast) Rate = K[H₂O₂][1] 2H₂O(1) + O₂(g) has the following fast Which is the correct rate-determining step given the information in the reaction above? O step 2: H₂O2 + OI→ H₂O + O₂ + 1¯ step 3: 2H₂O2 + 2H₂O + OI™ O step 1: H₂ + O₂ + 1 → H₂O2 + Or O step 1: H₂O2 + H₂O + or S
Answers
1. Rate law - A chemical reaction's rate and the concentrations of the reactants involved are correlated by an expression known as the rate law, commonly referred to as the rate equation.
Step (1) is the rate-determining step because it is the slow step, it determines the reaction's overall pace; therefore,
Rate law= K [H₂O₂] [I⁻]
2. order of reaction = second order
The Order of Reaction describes how the rate of a reaction depends on the concentration of each component. As a result, the rate of a first-order reaction depends on the concentration of a single species.
3. First step is the rate determining step because it is the slow step. Slow step determines the rate.
The rate-determining step is the one that establishes the speed (rate) of the complete chemical reaction.
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Your question is incomplete. For missing part refer the image below.
WILL GIVE BRAINLIEST NEED HELP ASAP PLEASE
The recommended calcium intake for teenagers is 1300 mg per day. A glass of milk contains 305 mg of calcium. One glass contains 8 fluid ounces.
One fluid ounce equals 29.6 mL. One Liter contains 1000 mL. How many liters of milk should a teenager drink per day to get the recommended amount
of calcium?
Answers
The recommended calcium intake for teenagers is 1,300 mg per day.
A glass of milk contains 305 mg Ca.
So, 305 mg Ca is contained by 1 glass of milk.
1 mg Ca is contained by 1/305 glass of milk.
1300 mg Ca is contained by 1300/305 glass of milk.
=260/61 glass of milk.
One glass milk contains a volume of eight fluid ounce = (8×29.6) mL =236.8 mL.[∵1 fluid ounce = 29.6 m L]
∴260/61 glass of milk = (260/61)×236.8 mL.
≈1009.3 mL
=(1009.3÷1000) L [∵ 1000 mL= 1L]
=1.0093 L
Therefore a teenager should drink 1.0093 L per day.
What does direct and inverse relationship mean
Direct relationship- ???
Inverse relationship-???
Answers
Direct relationship means increase in one variable leads to increase in other variable and vice-versa. inverse relationship means increase in one variable leads to decrease in other variable.
Direct relation defined as when both the variables decreases together or both the variables increases together.
On graph , let one variable is x and other is y , So x increases when y increases or x decreases when y decreases. direct relationship on graph has positive slope.
Mathematically expressed as y = kx ( k is constant)
Inverse relationship defines as when one variable increases while other decrease or when one variable decreases while other increases. inverse relationship has negative slope on graph.
Mathematically expressed as y = k/x
Thus,Direct relationship means increase in one variable leads to increase in other variable and vice-versa. inverse relationship means increase in one variable increases it leads to decrease in other variable.
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1.) How many atoms are in 6.72 x 10^4 moles of silver?
Answers
Answer:
How many atoms are in a mole of silver?
From Avogadro's number, we know that one mole of silver atoms is equal to 6.02 times 10 to the 23rd silver atoms
Explanation:
1. How many grams was each person's final serving of 1 burger?
Each person in the group gets two Burgers. (To Solve this Assume 4 persons per VIRTUAL group)
group)
(Key: 1 Pound = 453 grams; **burgers lose approximately 10% of their weight during
cooking.)
Answers
As per conversion units, 45.3 grams is each person's final serving of 1 burger.
As 1 burger has a weight of 1 pound which is equal to 453 grams ,and as each burger looses 10% of it's weight while cooking .
So the weight of 1 burger after cooking is,
10/100×453=45.3 g
Thus,each person's final serving of 1 burger is 45.3 grams.
What are conversion units?Conversion units or unit conversion expresses the same property with a different unit of measurement.It is a numerical expression or a number that is used to change one set of units to another.
It usually occurs through multiplicative conversion factors through which the measured quantity is changed without changing it's effects.
There are different conversion systems such as:
1) SI system
2)CGS system
3)MKS system
4) FPS system
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How would each of the following procedural errors affect the value obtained for the
molar volume of hydrogen gas? Explain your reasoning.
(a) Some bubbles of hydrogen gas remained clinging to the sides of the tube.
(b) Some magnesium metal was left un-reacted at the end of the experiment.
(c) 7 mL of the HC1 were used instead of 5 mL.
Answers
Molar volume of hydrogen gas is because 'some bubbles of hydrogen gas remained clinging to the sides of the tube'
The volume occupied by 1 mole of the molecules of a gas at STP i.e. standard temperature and pressure
Here if liquid is not vaporized completely then bubbles of hydrogen gas remained clinging to the sides of the tube and then the condensed vapor in the flask contains the air which is initially occupied before the liquid is heated and when calculating the molar mass of the vapor the moles of air which are initially present are not excluded, so that the molar mass of the vapor would be increase in large value
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Why iodine has no even number of oxidation state?
Answers
Answer:The right answer is they don’t belong with it
Explanation:He didn’t cause
When 96.0 g of calcium and 41.7 g of nitrogen gas undergo a reaction that has a 86.7% yield, what mass of calcium nitride forms?
g calcium nitride
Answers
Taking into account definition of percent yield, the mass of calcium nitride formed is 102.614 grams.
Reaction stoichiometryIn first place, the balanced reaction is:
3 Ca + N₂ → Ca₃N₂
By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:
Ca: 3 molesN₂: 1 moleCa₃N₂: 1 moleThe molar mass of the compounds is:
Ca: 40.08 g/moleN₂: 28 g/moleCa₃N₂: 148.24 g/moleThen, by reaction stoichiometry, the following mass quantities of each compound participate in the reaction:
Ca: 3 moles ×40.08 g/mole= 120.24 gramsN₂: 1 mole ×28 g/mole= 28 gramsCa₃N₂: 1 mole ×148.24 g/mole= 148.24 gramsLimiting reagentThe limiting reagent is one that is consumed first in its entirety, determining the amount of product in the reaction.
Limiting reagent in this caseTo determine the limiting reagent, it is possible to use a simple rule of three as follows: if by stoichiometry 28 grams of N₂ reacts with 120.24 grams of Ca, 41.7 grams of N₂ reacts with how much mass of Ca?
mass of Ca= (41.7 grams of N₂× 120.24 grams of Ca) ÷28 grams of N₂
mass of Ca= 179.07 grams
But 179.07 grams of Ca are not available, 96 grams are available. Since you have less mass than you need to react with 41.7 grams of N₂, Ca will be the limiting reagent.
Mass of Ca₃N₂ formedConsidering the limiting reagent, the following rule of three can be applied: if by reaction stoichiometry 120.24 grams of Ca form 148.24 grams of Ca₃N₂, 96 grams of Ca form how much mass of Ca₃N₂?
mass of Ca₃N₂= (96 grams of Ca× 148.24 grams of Ca₃N₂)÷ 120.24 grams of Ca
mass of Ca₃N₂= 118.355 grams
Then, 118.355 grams of Ca₃N₂ can be produced from 96.0 g of calcium and 41.7 g of nitrogen gas.
Percent yieldThe percent yield is the ratio of the actual return to the theoretical return expressed as a percentage and it is calculated as the experimental yield divided by the theoretical yield multiplied by 100%:
percent yield= (actual yield÷ theoretical yield)×100%
where the theoretical yield is the amount of product acquired through the complete conversion of all reagents in the final product.
Mass of calciumn nitride formedIn this case, you know:
percent yield= 86.7%actual yield= ?theorical yield= 118.355 gramsReplacing in the definition of percent yields:
86.7%= (actual yield÷ 118.355 grams)×100%
Solving:
86.7%÷ 100%= actual yield÷ 118.355 grams
0.867= actual yield÷ 118.355 grams
0.867× 118.355 grams= actual yield
102.614 grams= actual yield
Finally, the mass of calcium nitride formed is 102.614 grams.
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1. Obtain a Bg sample element bag, and weigh it to the nearest 0.01 g. Count all of the Bg atoms (beans).
Answers
All of the Bg atoms (beans) are 9.689 atoms
Butyl glycol is a clear, colorless, oily liquid with a unique sweet yet mild odor and has the formula C₆H₁₄O₂ it is a butyl ether of ethylene glycol and is miscible with water and common organic solvents it has been produced industrially for over half a century and is used primarily as a solvent in paints and surface coatings but also in inks and cleaning products.
Here given sample is Bg element bag and weigh = 0.01 g
Bg means butyl glycol atomic mass of butyl glycol is 62.07g/mol
So here to find atom;
0.01/atomic mass×6.02×10²³
0.01/62.07g/mol×6.02×10²³
= 9.698 all atoms of bg (bean)
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Calculate with full procedure:
a. The number of Fe atoms in 363.2 kg of iron.
R= 3.916 x 1027 Fe atoms
b. The mass of a sample of 1.0 x 1012 atoms of metallic silver.
R= 1.8 x 10-10g Ag
c. The number of Argon atoms in a 5.25 mg Ar sample.
R=7.91 x 1019 atoms
d. The mass of a sample of aluminum that contains the same number of atoms as 35.55 g of zinc.
R= 14.66g Al
Answers
Answer:
5.3x1022 atoms
Explanation:
If we were to represent five grams of iron in term of the number of atoms of iron, we would get 5.3x1022 atoms of iron.
What is the molecular formula of a compound with the empirical formula SF5 and a formula mass of 254.1 amu?
molecular formula:
What is the molecular formula of a compound with the empirical formula CH2O and a formula mass of 180.156 amu?
molecular formula:
Answers
The molecular formula is a notation indicating the number of atoms of each element present in a compound.
The molecular formula of a compound with given empirical formula can be calculated as follows:
molecular formula = (empirical formula)n
The molecular formula of the given compound is as follows:
(SF5)n = 254.1
{32 + 19(5)}n = 254.1
127n = 254.1
n = 2
Molecular formula = (SF5)₂ = S₂F₁0
(CH₂O)n = 180.156 amu
{12 + 2 + 16}n = 180.156
(30)n = 180.156
n = 6
Molecular formula = (CH₂O)₆ = C₆H₁₂O₆
Therefore, the molecular formula of a compound with the empirical formula SF₅ and a formula mass of 254.1 amu is S₂F₁₀. The molecular formula of a compound with the empirical formula CH₂O and a formula mass of 180.156 amu is C₆H₁₂O₆Learn more about molecular formula at: https://brainly.com/question/14425592
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Suppose you are trying to find the volume of a box based on the given measurements for the length, width, and height of the box, where the height was measured in two parts. length, 1 = 2.20 in width, w = 3.71 in height, h = 10.4 in + 1 in Calculate the height, h, of the box, first keeping all digits, then rounding to the proper number of significant figures. unrounded h= 11.4 in V = rounded h = Calculate the volume (V) of the box using V = 1 · w. h. Round to the proper number of significant figures. . in ³ 11 in
Answers
The Volume of the box is 93.0 in³ to three significant figures.
What is the volume of the box?The volume of the box is the amount of space that the box contains or occupies.
The volume of the box is determined using the following formula:
Volume of box = length * width * height
The length of the box, l = 2.20 in
The width of the box, w = 3.71 in
The height of the box, h = 10.4 in + 1 in
The height of the box, h = 11.4 in
Volume of the box = 2.20 * 3.71 * 11.4 in³
Volume of the box = 93.0 in³
In conclusion, the volume of the box is calculated from the product of the height and width and length of the box.
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Chloroform has a density of 1.48 g/mL. What is the
mass of 0.503 L of chloroform in g? Round your final
answer to the ones place.
Answers
Answer: 744 g
Explanation:
1 L=1000 ml
1.48 g/ml=
1.48*1000 g/L=1480 g/L
1480 g/L * 0.503 L=
744.44=744 g
A CHM 111 student completing Part B recorded the mass of several pieces of dry metal as
23.7412 g.He obtained a graduated cylinder and recorded an initial water volume of 25.0 mL
upon addition of the metal pieces, the water level rose to 27.1 mL
Calculate the density of the metal in units of grams per milliliter. Report only the numerical portion of your answer (and watch your significant figures!).
Answers
The density of the metal in units of grams per milliliter is 11.31 g/mL
What is density?The density of a substance is simply defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as
Density = mass / volume
How to determine the density of the metalThe following data were obtained from the question:
Mass of metal = 23.7412 gVolume of water = 25 mL Volume of water + metal = 27.1 mL Volume of metal = 27.1 – 25 = 2.1 mL Density of metal =?Density = mass / volume
Density of metal = 23.7412 / 2.1
Density of metal = 11.31 g/mL
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Which of the following quantities is equivalent to 3.7 cm?
A. 3.7×10⁻⁵ km
B. 3.7×10⁵ μm
C. 3.7×10⁻² mm
D. 3.7×10² mm
E. 3.7×10⁻³ m
Answers
Answer:
A. 3.7×10^-5 km
Explanation:
Whenever there is scientific notation, you always move the decimal the amount of places that the exponent tells you. For a, you would move the decimal 5 times to the left and the km version will be equivalent to the cm version. I hope this helps!
The quantity is equivalent to 3.7 cm is 3.7×10⁻⁵ km. Therefore, option A is correct.
What do you mean by the scientific notation ?The term scientific notation is defined as a way of writing very large or very small numbers. A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10.
For example, 650,000,000 can be written in scientific notation as 6.5 ✕ 10^8.
Scientific notation is used to simplify numbers that are too big.
In the scientific notation, you always displace the decimal the amount of places that the exponent tells you. Then would move the decimal 5 times to the left and the km version will be equivalent to the cm version.
Thus, The quantity is equivalent to 3.7 cm is 3.7×10⁻⁵ km, option A is correct.
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