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Stoichiometry

Authored by Chee Foong

Chemistry

112 covered

Used 1+ times

Stoichiometry
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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?

6.7 mol
1.0 mol
10.1 mol
4.5 mol

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

CH4 + 2 O2 → CO2 + 2 H2O
How many moles of carbon dioxide are produced from the combustion of 110 g of CH4?

13.7 mol
2.75 mol
6.11 mol
6.85 mol

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

N2 +  3H2 → 2NH3 
How many moles of hydrogen are needed to react with 2 moles of nitrogen?

6
2
3
1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2H2   +   O2  →  2H2O
How many moles of water can be produced if 8 moles H2 are used?

4 moles
8 moles
16 moles
2 moles

5.

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?

6.7 mol
1.0 mol
10.1 mol
4.5 mol

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first thing you must do to solve a stoichiometry problem?

Write a Balanced Equation
Panic
Write an Unbalanced Equation
Ask for help

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

O2 + CS2 --> CO2 + SO2
What coefficient would go in front of the O2?

1
2
3
4

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