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APUS CLE : CHEM133 K003 Spr 20 : Tests & Quizzes
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Lesson 7 Quiz
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Part 1 of 4 - Part 01
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Question 1 of 25
A small bubble rises from the bottom of a lake, where the temperature and pressure are 4°C and 3.0
atm, to the water's surface, where the temperature is 25°C and the pressure is 0.95 atm. Calculate the final volume
of the bubble if its initial volume was 2.1 mL.
A. 22.4 mL
B. 7.1 mL
C. 0.72 mL
D. 41.4 mL
E. 6.2 mL
CHEM133 K003 Spr 20
Tests & Quizzes
Tests & Quizzes

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Question 2 of 25
If the pressure of a gas sample is quadrupled and the absolute temperature is doubled, by what
factor does the volume of the sample change?
A. 8
B. 1/8
C. 1/2
D. 1/4

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Question 3 of 25
Consider a sample of gas in a container on a comfortable spring day. The Celsius temperature
suddenly doubles, and you transfer the gas to a container with twice the volume of the first container. If the original
pressure was 12 atm, what is a good estimate for the new pressure?

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Question 4 of 25
For which gas do the molecules have the highest average velocity?

12/4/2020
APUS CLE : CHEM133 K003 Spr 20 : Tests & Quizzes
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Question 5 of 25
When active metals such as magnesium are immersed in acid solution, hydrogen gas is evolved.
Calculate the volume of H
2
(g) at 30.1°C and 0.85 atm that can be formed when 275 mL of 0.725 M HCl solution
reacts with excess Mg to give hydrogen gas and aqueous magnesium chloride.
A. 2.9 L
B. 2.2 L
C. 5.8 L
D. 3.4 × 10
-3
L
E. 11.7 L

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Question 7 of 25
Pressure is
A. measured in grams

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Question 6 of 25
A sample of pure oxygen gas has a pressure of 795 torr. What is the pressure of the oxygen in units
of atmospheres?

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APUS CLE : CHEM133 K003 Spr 20 : Tests & Quizzes
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B. defined as the force per unit area
C. defined as the number of moles of substance divided by the mass of the substance
D. defined as the mass that an object exerts when at rest
E. measured in Newtons
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Part 2 of 4 - Part 02
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Question 8 of 25
When 0.251 mol of a weak base (A
–