
Unit 3.2 Test Review
Authored by Jaclyn Duhe
Chemistry
9th - 12th Grade
Used 1+ times

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33 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
2 KClO3 → 2 KCl + 3 O2
How many moles of oxygen are produced when 6.7 moles of KClO3 decompose completely?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the molar mass of C6H12O6?
180.18 g/mol
180.12 g/mol
180.24 g/mol
180.06 g/mol
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Using the following equation:
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from 6 moles H2?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
N2 + 3H2 → 2NH3
How many moles of hydrogen are needed to react with 2 moles of nitrogen?
6 mol H
2 mol H
3 mol H
1 mol H
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2H2 + O2 → 2H2O
How many moles of water can be produced if 8 moles H2 are used?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
B2H6 + 3O2 -->2 HBO2 + 2 H2O
What mass of O2 will be needed to burn 36.1 g of B2H6?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4 Al + 3 O2 –> 2 Al2O3 How much aluminum would be needed to completely react with 45 grams of O2?
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