Stoichiometry and Kinetic Molecular Theory Practice Quiz
Quiz
•
Chemistry
•
9th - 12th Grade
•
Medium
Standards-aligned
Annabelle T Davey
Used 10+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Consider the balanced chemical equation below:
4NH₃ + 7O₂ → 4NO₂ + 6H₂O
What is the mole ratio of O₂ to H₂O in this reaction?
7:4
4:6
7:6
6:7
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For the following chemical equation:
CH₄ + 2O₂ → CO₂ + 2H₂O
If 4.50 moles of methane (CH₄) react completely with oxygen gas, how many moles of water (H₂O) are formed?
2.25 moles
4.50 moles
6.75 moles
9.00 moles
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which conversion factor is responsible for converting the amount of matter to the amount of moles in a stoichiometric problem?
Mole-to-mole ratio
Molar mass
Molar volume
Metric standards
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which conversion factor is used to convert moles of a gas to volume at STP in a stoichiometric problem?
1 mole/22.4 L
1 mole/6.022 x 10²³ particles
mole A/mole B
1 mole/molar mass
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which conversion factor is responsible for converting one substance to another substance in a stoichiometric problem?
Molar mass
Avogadro's number
Mole ratio from the balanced chemical equation
Density
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following statements describes the difference in the limiting and excess reactant?
The excess reactant is completely used in the chemical reaction, while the limiting reactant is left over.
The limiting reactant is left over after the chemical reaction has run to completion.
The excess reactant determines how much of the limiting reactant is used in the chemical reaction.
The limiting reactant is completely used in the chemical reaction, while the excess reactant is left over.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the volume of a gas is decreased while keeping the temperature constant, what happens to the pressure of the gas?
The pressure decreases.
The pressure remains the same.
The pressure increases.
The pressure depends on the type of gas.
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