Stoichiometry

Flashcard
•
Chemistry
•
10th Grade
•
Hard
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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
Define Limiting Reactant.
Back
The limiting reactant is the substance that is completely consumed in a chemical reaction, limiting the amount of product that can be formed.
3.
FLASHCARD QUESTION
Front
What is the formula for calculating percent yield?
Back
Percent Yield = (Actual Yield / Theoretical Yield) x 100%.
4.
FLASHCARD QUESTION
Front
How do you determine the theoretical yield of a reaction?
Back
The theoretical yield is calculated based on the balanced chemical equation and the amount of limiting reactant.
5.
FLASHCARD QUESTION
Front
What is the mole ratio in a balanced equation?
Back
The mole ratio is the ratio of moles of one substance to moles of another substance in a balanced chemical equation.
6.
FLASHCARD QUESTION
Front
Given the reaction 2 KClO3 → 2 KCl + 3 O2, how many moles of O2 are produced from 2 moles of KClO3?
Back
3 moles of O2 are produced.
7.
FLASHCARD QUESTION
Front
What is the significance of a balanced chemical equation?
Back
A balanced chemical equation ensures that the number of atoms for each element is conserved in a reaction.
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