
Limiting Reactants Chem 2
Quiz
•
Chemistry
•
10th Grade
•
Hard
Elizabeth Santiago
Used 2+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If you are given a mass of a reactant, what is the first step to figuring out how much product can be made?
Convert the mass into moles
Find the mole ratio
Add up the coefficients
Find the molar mass of every substance in the reaction
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
When converting between two substances in a chemical reaction, what information will change the substance you have?
The molar mass (from the periodic table)
The mole ratio (coefficients)
The surrounding oxygen
The theoretical yield
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The limiting reactant is the substance that....
slows the reaction down.
is used up first.
is the reactant that is left over.
controls the speed of the reaction.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When does a chemical reaction stop?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
When 3 moles of O2 reacts with .33 mole of C10H8 what is the limiting reactant? C10H8 + 12 O2 --> 10 CO2 + 4 H2O
Oxygen
C10H8
Water
Carbon Dioxide
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Use the equation 2 Al + 3 Cl2 ---> 2 AlCl3. If 2 moles of aluminum and 2 moles of chlorine are combined, identify the limiting reactant.
AlCl3
Cl2
Al
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
2CO + O2 → 2CO2
In the reaction above, 7.62 g CO are allowed to react with 8.67 g O2.
How much CO2 is formed?
Molar Masses: CO=28.01g/mol
O2=32.00g/mol
CO2 = 44.01g/mol
11.9 g CO2
12.0 g CO2
23.8 g CO2
35.8 g CO2
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