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- 1. Multiple Choice
A container holds 50.0 mL of nitrogen at 25° C and a pressure of 736 mm Hg. What will be its volume if the temperature increases by 35° C?
44.3 mL N2
51.4 mL N2
55.9 mL N2
98.2 mL N2
- 2. Multiple Choice
Part of the reason that conventional explosives cause so much damage is that their detonation produces a strong shock wave that can knock things down. While using explosives to knock down a building, the shock wave can be so strong that 12 liters of gas will reach a pressure of 3.8 x 104 mm Hg. When the shock wave passes and the gas returns to a pressure of 760 mm Hg, what will the volume of that gas be?
600 L
412 L
359 L
587 L
- 3. Multiple Choice
568 cm3 of chlorine at 25° C will occupy what volume at -25° C while the pressure remains constant?
326 cm3 Cl2
514 cm3 Cl2
637 cm3 Cl2
473 cm3 Cl2
- 4. Multiple Choice
A sample of neon gas at 50.oC and a volume of 2.5 liters is cooled to 25 oC. What is the new volume?
8.9 L
5.7 L
2.3 L
1.4 L
- 5. Multiple Choice
A sample of argon gas is cooled and its volume went from 380. mL to 250. mL. If its final temperature was -55 oC, what was its original temperature?
58 degree C
27 degree C
84 degree C
92 degree C
- 6. Multiple Choice
A sample of oxygen occupies a volume of 160 dm3 at 91° C. What will be volume of oxygen when the temperature drops to 0.00° C?
457 dm3 O2
120 dm3 O2
624 dm3 O2
810 dm3 O2
- 7. Multiple Choice
Hydrogen gas was cooled from 150 oC to 50.oC. Its new volume is 75 mL. What was its original volume?
74 mL
16 mL
54 mL
98 mL
- 8. Multiple Choice
A sample of hydrogen has an initial temperature of 50.° C. When the temperature is lowered to -5.0° C, the volume of hydrogen becomes 212 cm3 . What was the initial volume of the hydrogen in dm3 ?
0.245 dm3 H2
0.968 dm3 H2
0.256 dm3 H2
0.425 dm3 H2
- 9. Multiple Choice
Helium occupies a volume of 3.8 liters at -45 oC. What volume will it occupy at 45 oC?
1.4 L
2.8 L
5.3 L
6.8 L
- 10. Multiple Choice
Fluorine gas at 300. K occupies a volume of 500. mL. To what temperature should it be lowered to bring the volume to 300. mL?
-54 deg C
1 deg C
0 deg C
-93 deg C
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