Which type of stoichiometric calculation does not require the use of the molar mass?

Answers

Answer 1

Answer: The choices can be found elsewhere and as follows:

a. mass-mass problems
b. mass-volume problems
c. mass-particle problems
d. volume-volume problems

I believe the correct answer is option D. It is volume-volume problems that does not require the use of molar mass. Here you are dealing with molarities and volumes to determine concentrations. Molar mass is not part of any calculations.

Answer 2

Answer:

Final answer:

The type of stoichiometric calculation that does not require the use of the molar mass is a calculation involving molar or stoichiometric ratios which are derived directly from the coefficients in a balanced chemical equation.

Explanation:

In stoichiometry, there are several types of calculations that can be performed. However, the type of stoichiometric calculation that does not require the use of the molar mass is the calculation involving the molar ratio, or stoichiometric ratio. This refers to the ratio of coefficients in a balanced chemical equation, which we use to determine the relative amounts of each substance involved in a chemical reaction.

An example of this is a balanced equation for the formation of water: H2 + 0.5O2 -> H2O. In this equation, the molar or stoichiometric ratio of hydrogen (H2) to oxygen (O2) to water (H2O) is 2:1:2. If we are given the number of moles of one substance, we can use this molar ratio to find the number of moles of any other substance in the equation, without needing to know their molar masses. This constitutes a stoichiometric calculation without the need for molar mass.

Learn more about Stoichiometric Calculations here:

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The standard unit for density is g/cm3 or g/mL.

Answers

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Which of the following is not a type of adaptation? A. Functional B. Mechanical C. Behavioral D. Structural

Answers

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Which radioisotope has the fastest rate ofdecay?
(1) 14C
(2) 37Ca
(3) 53Fe
(4) 42K

Answers

The correct answer is 2. 37Ca.

The fastest rate of decay in radioisotope is 37Ca. Another name for radioisotope is radioactive of isotopes which are of given element.

The different number of neurons and the same number of protons are present on the same element with different isotopes. Radioisotopes are considered to have an unstable combination of neutrons and protons.

The correct answer to this question is (2) 37Ca . The radioisotope that has the fastest rate of decay is 37Ca. Radioisotope or also known as radioactive isotopes of a given element. Same number of protons but different number of neurons are present on different isotopes of the same element. They are considered as atoms that have unstable protons and neutrons combination.

During diffusion, when the concentration of molecules on both sides of a membrane is the same, the molecules will (1 point).

move across the membrane to the outside of the cell.
stop moving across the membrane.
continue to move across the membrane in both directions.
move across the membrane to the inside of the cell.

Answers

During the diffusion process, when the concentration of molecules on both sides of a membrane is the same, the molecules will continue to move across the membrane in both directions.

will continue to move across the membrane in both directions.

i hope this helps you ( c )

have a wonderful day

~hailey lee~

The ratio of chromium to iron to carbon variesamong the different types of stainless steel.
Therefore, stainless steel is classified as
(1) a compound (3) a mixture
(2) an element (4) a substance

Answers

The correct answer is option 3. Stainless steel is a mixture of different substances. Mixture is defined us a system that is made up of two or more substances which are mixed but are not chemically combined. In stainless steel, the components are not chemically combined.

Answer: mixture

Explanation:

Compound is a pure substance which is made from atoms of different elements combined together in a fixed ratio by mass.It can be decomposed into simpler constituents using chemical reactions. Example: water $H_2O$

Element is a pure substance which is composed of atoms of similar elements. It can not be decomposed into simpler constituents using chemical reactions.Example: Copper $Cu$

Mixture is a substance which has two or more components which do not combine chemically and do not have any fixed ratio in which they are present.Example: Alloys

As steel is made up of combination of carbon and chromium and are not present in any fixed ratio , steel is classified as a mixture.

What does mitochondrial exactly mean ?

Answers

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