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Question 1

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; D: 6

Question 2

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 3

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 4

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 5

The balanced chemical equation for the reaction of copper (Cu) and silver nitrate (AgNO3) 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

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