Limiting Reactants

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•
Chemistry
•
10th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
What is a limiting reactant?
Back
A limiting reactant is the substance that is completely consumed in a chemical reaction, determining the maximum amount of product that can be formed.
2.
FLASHCARD QUESTION
Front
How do you identify the limiting reactant in a reaction?
Back
To identify the limiting reactant, compare the mole ratio of the reactants used in the reaction to the mole ratio required by the balanced equation.
3.
FLASHCARD QUESTION
Front
In the reaction Fe + S -> FeS, if 7.62g Fe reacts with 8.67g S, which is the limiting reactant?
Back
Fe is the limiting reactant.
4.
FLASHCARD QUESTION
Front
What happens to the limiting reactant during a chemical reaction?
Back
The limiting reactant is used up first, stopping the reaction when it is completely consumed.
5.
FLASHCARD QUESTION
Front
What is the effect of the limiting reactant on the amount of product formed?
Back
The limiting reactant determines the maximum amount of product that can be formed in a chemical reaction.
6.
FLASHCARD QUESTION
Front
In a reaction, if one reactant is present in excess, what does that mean?
Back
It means that there is more of that reactant than is needed to completely react with the limiting reactant.
7.
FLASHCARD QUESTION
Front
What is the role of a reactant in a chemical reaction?
Back
A reactant is a substance that undergoes a change during a chemical reaction to form products.
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