SAT Chemistry Practice Test: Gases and the Gas Laws 2

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Question 10 questions

Time 7 minutes

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1. If you wish to find the corrected volume of a gas that was at 20°C and 1 atmosphere pressure and conditions were changed to 0°C and 0.92 atmosphere pressure, by what fractions would you multiply the original volume?

A.
B.
C.
D.
E.

2. When the level of mercury inside a gas tube is higher than the level in the reservoir, you find the correct pressure inside the tube by taking the outside pressure reading and ? the difference in the height of mercury.

A. subtracting
B. adding
C. dividing by 13.6
D. doing both and (a)
E.

3. If water is the liquid in question 12 instead of mercury, you can change the height difference to an equivalent mercury expression by

A. dividing by 13.6
B. multiplying by 13.6
C. adding 13.6
D. subtracting 13.6
E.

4. Standard conditions are

A. 0°C and 14.7 mm
B. 273 K and 760 mm Hg
C. 273°C and 760 mm Hg
D. 4°C and 7.6 mm Hg
E.

5. When a gas is collected over water, the pressure is corrected by

A. adding the vapor pressure of water
B. multiplying by the vapor pressure of water
C. subtracting the vapor pressure of water at that temperature
D. subtracting the temperature of the water from the vapor pressure.
E.

6. At 5.00 atmospheres pressure and 70°C how many moles are present in 1.50 liters of O2 gas?

A. 0.036
B. 0.266
C. 0.536
D. 0.103
E.

7. Which is a graphic depiction of Boyle's Law?

A.
B.
C.
D.
E.

8. Which is a graphic depiction of Charles's Law?

A.
B.
C.
D.
E.

9. Which is a graphic depiction of the relationship of the pressure of a given volume of gas with the absolute temperature?

A.
B.
C.
D.
E.

10. Which graph shows the distribution of molecules with respect to their kinetic energy at different temperatures?

A.
B.
C.
D.
E.