

Limiting Reagents and percent yield
Flashcard
•
Chemistry
•
10th - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a limiting reactant?
Back
The reactant that determines how much product can be made.
2.
FLASHCARD QUESTION
Front
What is an excess reagent?
Back
The reactant that is not completely used up in a chemical reaction.
3.
FLASHCARD QUESTION
Front
What happens to the limiting reactant during a chemical reaction?
Back
It is used up first.
4.
FLASHCARD QUESTION
Front
When does a chemical reaction stop?
Back
When the limiting reactant is used up.
5.
FLASHCARD QUESTION
Front
In the reaction Cl2 + 2 KBr → Br2 + 2 KCl, what is produced?
Back
Potassium chloride (KCl) and bromine (Br2).
6.
FLASHCARD QUESTION
Front
How do you determine the limiting reactant in a chemical reaction?
Back
By calculating the amount of product each reactant can produce and identifying the one that produces the least.
7.
FLASHCARD QUESTION
Front
What is percent yield?
Back
The ratio of the actual yield to the theoretical yield, expressed as a percentage.
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