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Alex73 [517]
3 years ago
5

How many moles of water are produced when 5 moles of hydrogen gas react with 2 moles of oxygen gas?

Chemistry
2 answers:
Crazy boy [7]3 years ago
4 0

Answer:

I think it will be B

Lemur [1.5K]3 years ago
4 0

Answer:

It is b

Explanation: I did it on the test and got it right

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The volume of 10 grams of frozen water is more than the volume of 10 grams of liquid water
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Who discovered atomic structure​
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John Dalton

Although the concept of the atom dates back to the ideas of Democritus, the English meteorologist and chemist John Dalton formulated the first modern description of it as the fundamental building block of chemical structures.
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. Element X has a nucleon (mass) number of 19 and a proton (atomic) number of 9.
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Answer:

C

Explanation:

it belong to that group as it needs 1 electron to be chemically stable

7 0
3 years ago
What is mole-to-mole stoichiometry.
borishaifa [10]

Answer:

https://youtu.be/3zmeVamEsWI

Explanation:

It is defined as the ratio of moles of one substance to the moles of another substance in a balanced equation. ... Mole ratios are the central step in performing stoichiometry because they allow us to convert moles of one substance to moles of another substance.

6 0
3 years ago
When 150. g zinc sulfide are burned in excess oxygen, 68.5 g of zinc oxide are actually produced, along with sulfur dioxide. Det
Bumek [7]

%yield = 54.6%

<h3>Further explanation</h3>

Percent yield is the compare of the amount of product obtained from a reaction with the amount you calculated

(theoretical)

General formula:

Percent yield = (Actual yield / theoretical yield )x 100%

<h3 />

Reaction

2ZnS+3O₂ ⇒ 2ZnO+2SO₂

MW ZnS = 97.474 g/mol

  • mol ZnS

\tt \dfrac{150}{97.474}=1.54

MW ZnO = 81.38 g/mol

  • mol ZnO (from mol ZnS as limiting reactant, O₂ excess)

\tt \dfrac{2}{2}\times 1.54=1.54

  • Actual ZnO produced

\tt 1.54\times 81.38=125.33~g

Theoretical production = 125.388

  • %yield

\tt \dfrac{68.5}{125.33}\times 100\%=\boxed{\bold{54.6\%}}

4 0
3 years ago
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