AP Chemistry Unit 4
Flashcard
•
Chemistry
•
11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the limiting reactant in a chemical reaction?
Back
The limiting reactant is the reactant that is completely consumed and limits the amount of product that can be formed.
2.
FLASHCARD QUESTION
Front
How many moles of carbon dioxide (CO2) are produced from 2 moles of methane (CH4) in the reaction: CH4 + 2O2 -> CO2 + 2H2O?
Back
2
3.
FLASHCARD QUESTION
Front
What is the formula for calculating % yield?
Back
% yield = (actual yield / theoretical yield) * 100
4.
FLASHCARD QUESTION
Front
How many HCl molecules do you need to balance this equation? Mg + __HCl ---> MgCl2 + H2
Back
2
5.
FLASHCARD QUESTION
Front
Which type of reaction is: 2 NaBr + Ca(OH)2 → CaBr2 + 2 NaOH?
Back
Double Displacement
6.
FLASHCARD QUESTION
Front
Define stoichiometry in chemistry.
Back
Stoichiometry is the calculation of reactants and products in chemical reactions based on the conservation of mass.
7.
FLASHCARD QUESTION
Front
What is the mole concept?
Back
The mole is a unit that measures the amount of substance, defined as containing exactly 6.022 x 10^23 particles (atoms, molecules, etc.).
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