Introduction to Stoichiometry - Quiz Quiz

Question 1

The reaction shows how silver chloride can be synthesized. AgNO sub 3 plus NaCl rightarrow NaNO sub 3 plus AgCl How many moles of silver chloride are produced from 15 point 0 mol of silver nitrate?

Revolt · Accepted Answer

B: 15 point 0 mol

Question 2

The balanced equation shows the products that are formed when butane open paren cap c sub 4 cap h sub 10 close paren is combusted. 2 cap c sub 4 cap h sub 10 plus 13 cap o sub 2 rightarrow 8 CO sub 2 plus 10 cap h sub 2 cap o What is the mole ratio of butane to carbon dioxide?

Revolt · Accepted Answer

C: ratio of 2 to 8

Question 3

Consider the balanced equation. 8 cap h sub 2 plus cap s sub 8 rightarrow 8 cap h sub 2 cap s Based on the mole ratios, what can most likely be predicted?

Revolt · Accepted Answer

D: 8 mol  of hydrogen will react with  1 mol  of sulfur.

Question 4

The balanced chemical equation for the reaction of hydrogen and oxygen is shown. 2 cap h sub 2 plus cap o sub 2 rightarrow 2 cap h sub 2 cap o The number of moles of hydrogen that is needed to produce 0 point 2 5 3 mol of water is

Revolt · Accepted Answer

B: equal to  0 point 2 5 3 mol .

Question 5

The balanced chemical equation for the reaction of copper Cu and silver nitrate open paren AgNO sub 3 close paren is shown. Cu plus 2 AgNO sub 3 rightarrow 2 Ag plus Cu open paren NO sub 3 close paren sub 2 How many moles of copper must react to form 3 point 5 0 mol of Ag ?

Revolt · Accepted Answer

B: 1 point 7 5 mol

Question 6

The balanced equation shows the formation of water. 2 cap h sub 2 plus cap o sub 2 ce bond right arrow 2 cap h sub 2 cap o How many moles of oxygen open paren cap o sub 2 close paren are required to completely react with 27 point 4 mol of cap h sub 2 ?

Revolt · Accepted Answer

B: 13 point 7 mol

Question 7

Consider the reaction. 2 cap h sub 2 plus cap o sub 2 rightarrow 2 cap h sub 2 cap o How many moles of water are produced from 13 point 3 5 mol of oxygen?

Revolt · Accepted Answer

B: 26 point 7 0 mol

Question 8

Consider the balanced equation. 4 NH sub 3 plus 3 cap o sub 2 rightarrow 2 cap n sub 2 plus 6 cap h sub 2 cap o What is the mole ratio of NH sub 3 to cap n sub 2 ?

Revolt · Accepted Answer

A: ratio of 2 to 4

Question 9

Consider the balanced equation. cap n sub 2 plus 3 cap h sub 2 rightarrow 2 NH sub 3 What is the mole ratio of hydrogen to ammonia?

Revolt · Accepted Answer

C: ratio of 3 to 2

Question 10

Review the equation. 2 KClO sub 3 rightarrow 2 KCl plus 3 cap o sub 2 How many moles of oxygen are produced when 2 mol of potassium chlorate open paren KClO sub 3 close paren decompose?

Revolt · Accepted Answer

C: 3

Introduction to Stoichiometry - Quiz Quiz Answers

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