Stoichiometry, % yield, Limiting Reactants
Flashcard
•
Chemistry
•
10th 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
Define limiting reactant.
Back
A 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 percent yield?
Back
Percent yield is a measure of the efficiency of a reaction, calculated as (actual yield / theoretical yield) x 100%.
4.
FLASHCARD QUESTION
Front
How do you calculate moles from molarity and volume?
Back
Moles = Molarity (M) x Volume (L).
5.
FLASHCARD QUESTION
Front
What is the balanced equation for the reaction of magnesium with hydrochloric acid?
Back
Mg + 2HCl -> MgCl2 + H2.
6.
FLASHCARD QUESTION
Front
How do you determine the limiting reactant in a reaction?
Back
To determine the limiting reactant, calculate the moles of each reactant and compare the mole ratio from the balanced equation.
7.
FLASHCARD QUESTION
Front
What is the theoretical yield?
Back
The theoretical yield is the maximum amount of product that can be produced from a given amount of reactants, based on stoichiometric calculations.
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