Stoichiometry
Flashcard
•
Chemistry
•
10th - 12th Grade
•
Hard
Wayground Content
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15 questions
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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 in chemistry?
Back
A mole is a unit of measurement used to express amounts of a chemical substance, defined as exactly 6.022 x 10²³ particles (atoms, molecules, etc.).
3.
FLASHCARD QUESTION
Front
What is the theoretical yield?
Back
The theoretical yield is the maximum amount of product that can be produced in a chemical reaction based on the stoichiometric calculations.
4.
FLASHCARD QUESTION
Front
What is the actual yield?
Back
The actual yield is the measured amount of a product obtained from a chemical reaction.
5.
FLASHCARD QUESTION
Front
What is percent yield?
Back
Percent yield is a measure of the efficiency of a reaction, calculated as (actual yield / theoretical yield) x 100%.
6.
FLASHCARD QUESTION
Front
What is a balanced chemical equation?
Back
A balanced chemical equation has equal numbers of each type of atom on both sides of the equation, reflecting the law of conservation of mass.
7.
FLASHCARD QUESTION
Front
How do you calculate moles from grams?
Back
To calculate moles from grams, use the formula: moles = mass (g) / molar mass (g/mol).
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