CPC Unit 8 (10.1 10.2 10.4) Review
Authored by Robert Oliver
Science
9th Grade
NGSS covered
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27 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The study of the quantitative relationships between the amounts of reactants used and the amounts of products formed by a chemical reaction is called stoichiometry.
True
False
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Stoichiometry is based on the law of conservation of mass.
True
False
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In any chemical reaction, the mass of the products is less than the mass of the reactants.
True
False
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The coefficients in a chemical equation represent not only the number of individual particles but also the number of moles of particles.
True
False
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The mass of each reactant and product is related to its coefficient in the balanced chemical equation and its molar mass.
True
False
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Using the information provided, what mass of methanol reacts with 3 moles of oxygen?
64.10 g
2 g
32.04 g
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Using the information provided, how many molecules of methanol react with 3 molecules of oxygen?
2
4
64.08
6.02 x 1023
12.04 x 1023
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