
Stoichiometry and Limiting Reactants

Interactive Video
•
Chemistry, Science
•
10th - 12th Grade
•
Medium

Jackson Turner
Used 13+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a stoichiometry problem?
Ensure the chemical equation is balanced
Convert grams to moles
Determine the limiting reactant
Calculate the mass of reactants
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't we directly use the mole ratio to convert grams of oxygen to grams of propane?
Because the reaction is not balanced
Because grams are not a unit of measurement in chemistry
Because oxygen and propane have the same molar mass
Because the mole ratio is only applicable to moles, not grams
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the molar mass of propane used in the conversion process?
28.0 g/mol
44.1 g/mol
32.0 g/mol
18.0 g/mol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of stoichiometry, what does dimensional analysis help with?
Predicting reaction products
Balancing chemical equations
Converting units and ensuring correct calculations
Identifying limiting reactants
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when the amount of propane is less than required for complete combustion with oxygen?
Propane becomes the limiting reactant
Both reactants are in excess
Oxygen becomes the limiting reactant
The reaction does not occur
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the limiting reactant when 85.3 g of propane reacts with 256 g of oxygen?
Neither is limiting
Propane
Oxygen
Both are limiting
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the limiting reactant in a reaction?
By determining which reactant is completely consumed first
By measuring the reaction temperature
By calculating the amount of product formed
By comparing the initial masses of reactants
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