Unit 8 Pre Test
Flashcard
•
Science
•
10th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What can be measured in gases?
Back
Pressure, Temperature, Volume, and Moles.
2.
FLASHCARD QUESTION
Front
What is the reaction of H2 with CuO?
Back
CuO (s) + H2 (g) → Cu (aq) + H2O (l).
3.
FLASHCARD QUESTION
Front
How many moles of Cu are produced from 5.6 L of H2 at STP?
Back
0.250 mol.
4.
FLASHCARD QUESTION
Front
What happens to volume if temperature decreases while pressure is constant?
Back
Volume decreases.
5.
FLASHCARD QUESTION
Front
What formula is used to find the new volume when pressure changes?
Back
P1V1 = P2V2 (Boyle's Law).
6.
FLASHCARD QUESTION
Front
What is the molar volume of a gas at STP?
Back
22.4 L/mol.
7.
FLASHCARD QUESTION
Front
What is the ideal gas law formula?
Back
PV = nRT.
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