What is stoichiometry?
Stoichiometry 2

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Chemistry
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
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 do coefficients in a chemical equation represent?
Back
Coefficients indicate the number of moles of each substance involved in the reaction.
3.
FLASHCARD QUESTION
Front
How do you calculate the molar mass of a compound?
Back
By adding up the molar masses of its component elements.
4.
FLASHCARD QUESTION
Front
What is the ideal gas law equation?
Back
PV = nRT, where P is pressure, V is volume, n is number of moles, R is the ideal gas constant, and T is temperature in Kelvin.
5.
FLASHCARD QUESTION
Front
What is the molar volume of a gas at STP?
Back
The molar volume of a gas at standard temperature and pressure (STP) is 22.4 L.
6.
FLASHCARD QUESTION
Front
How many grams of O2 are produced from 10.00 moles of KClO3?
Back
480 g of O2.
7.
FLASHCARD QUESTION
Front
What is the relationship between moles and volume of a gas at STP?
Back
At STP, 1 mole of any gas occupies 22.4 liters.
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