The atomic mass of an element is calculated using the(1) atomic number and the ratios of its naturally occurring isotopes(2) atomic number and the half-lives of each of its isotopes(3) masses and the ratios of its naturally occurring isotopes(4) masses and the half-lives of each of its isotopes

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Answer 1

Answer:

The atomic mass of an element is calculated using its masses and the ratios of its naturally occurring isotopes. The answer is number 3. The rest of the choices do not answer the question above.

Answer 2

Answer:

Answer:

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What is Neons group and periodic number?

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Its a noble gas. Its group number is 18 period number is 2

Answer:Hello,

Neon is a noble gas. It is located Group 18 and the oxidation number is 10.

I hoped it helped have a nice day!

A diatomic gas has the molar mass of 38.00g/mol. What is the possible formula?

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The answer would be F₂. This is because you have 2 fluorine atoms. so you divide the 38g/mol by 2 atoms which gets you 19 g/mol per atom. Now all you have to do is find the atom with the molar mass of 19g/mol which is fluorine.

I hope this helps :)

Which of the following describes a species with the greatest fitness?The species that can reproduce beter than the others
The species that is faster than the others
The species that is stronger than the others
The species that is larger than the others

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Answer:

C is it!

Explanation:

The empirical formula for a compound is CH2. If n is a whole number, which shows a correct relationship between the molecular formula and the empirical formula? a) empirical formula mass / molecular mass = n B) molecular mass = element mass / empirical formula mass ´ 100 c) subscript of H in empirical formula = 2 subscript of H in molecular formula D) subscript of C in molecular formula = n subscript of C in empirical formula

Answers

An empirical formula is the "reduced" version of a molecular formula. For example, CH3 is the empirical formula for C2H6, C3H9, C4H12, and so forth. The difference in subscripts between an empirical formula and molecular formula is given by the constant n. If n is a whole number, this means the numerator is the molecular formula. So the answer is D. subscript of C in molecular formula = n subscript of C in empirical formula. This can be rewritten as:

n = subscript of C in molecular formula/subscript of C in empirical formula

Answer:

Explanation:

how many moles of ammonium sulfate can be made from the reaction of 30.0 mol nh3 with h2so4 according to the following equation.

Answers

15.0 moles of ammonium sulfate are formed by the reaction of 30.0 moles of ammonia with sulfuric acid.

Let's consider the reaction between ammonia and sulfuric acid to produce ammonium sulfate.

2 NH₃ + H₂SO₄ ⇒ (NH₄)₂SO₄

The molar ratio of NH₃ to (NH₄)₂SO₄ is 2:1. The moles of (NH₄)₂SO₄ produced from 30.0 moles of NH₃ are:

$30.0 mol NH_3 * (1mol(NH_4)_2SO_4)/(2molNH_3) = 15.0 mol(NH_4)_2SO_4$

15.0 moles of ammonium sulfate are formed by the reaction of 30.0 moles of ammonia with sulfuric acid.

Learn more: brainly.com/question/9743981

The answer is 15.0 mol ammonium sulfate. This is a stoichiometric problem. For the calculations, please refer to the attachment.

What would happen if more of the sun's heat became trapped in earth's atmosphere,and less heat was released into space

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maybe the sun would burn down things and create pollution

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