
Exploring Stoichiometry in Chemical Reactions
Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Hard

Aiden Montgomery
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main concept behind stoichiometry?
Measuring the speed of reactions
Measuring the atoms before and after a reaction
Measuring the color change in reactions
Measuring the temperature change in reactions
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the analogy of musical chairs, what do the chairs represent in a chemical reaction?
The products
The reactants
The limiting reactant
The excess reactant
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a stoichiometry problem?
Calculating the percent yield
Identifying the limiting reactant
Balancing the chemical equation
Converting grams to moles
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you convert grams of a substance to moles?
Using the volume of the substance
Using the pressure of the substance
Using the atomic mass of the substance
Using the temperature of the substance
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a limiting reactant?
A reactant that does not participate in the reaction
A product that is formed in a reaction
A reactant that is completely used up in a reaction
A reactant that is in excess
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the limiting reactant in a reaction?
By comparing the temperatures of the reactants
By comparing the moles of the reactants to the moles of the products
By comparing the volumes of the reactants
By comparing the masses of the reactants
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for calculating percent yield?
Actual yield - Predicted yield
Predicted yield - Actual yield
Predicted yield / Actual yield
Actual yield / Predicted yield
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