Stoichiometry Unit Review
Flashcard
•
Chemistry
•
9th Grade
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
What is stoichiometry?
Back
Stoichiometry is the branch of chemistry that deals with the calculation of reactants and products in chemical reactions based on the conservation of mass.
2.
FLASHCARD QUESTION
Front
What is a mole ratio?
Back
A mole ratio is a conversion factor derived from the coefficients of a balanced chemical equation, used to relate the amounts of reactants and products.
3.
FLASHCARD QUESTION
Front
How do you convert grams to moles?
Back
To convert grams to moles, divide the mass of the substance (in grams) by its molar mass (in grams per mole).
4.
FLASHCARD QUESTION
Front
What is theoretical yield?
Back
Theoretical yield is the maximum amount of product that can be produced from a given amount of reactant, calculated based on stoichiometry.
5.
FLASHCARD QUESTION
Front
What is actual yield?
Back
Actual yield is the measured amount of product obtained from a chemical reaction.
6.
FLASHCARD QUESTION
Front
What is percentage yield?
Back
Percentage yield is the ratio of the actual yield to the theoretical yield, expressed as a percentage.
7.
FLASHCARD QUESTION
Front
Why is it necessary to convert grams to moles in stoichiometry?
Back
It is necessary to convert grams to moles in stoichiometry because chemical reactions are based on the number of particles (moles), not mass.
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