Chapter 10 Quiz - Chemistry 1B Chapter 10 Worksheet - Daley...

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Chemistry 1B Chapter 10 Worksheet - Daley Name___________________________________ 1) The National Weather Service routinely supplies atmospheric pressure data to help pilots set their altimeters. The units the NWS uses for atmospheric pressure are inches of mercury. A barometric pressure of 30.51 inches of mercury corresponds to __________ kPa. A) 103.3 B) 77.50 C) 775 D) 1.020 E) 16.01 2) A closed - end manometer was attached to a vessel containing argon. The difference in the mercury levels in the two arms of the manometer was 12.2 cm. Atmospheric pressure was 783 mmHg. The pressure of the argon in the container was __________ mmHg. A) 882 B) 661 C) 122 D) 795 E) 771 3) A sample of gas (24.2 g) initially at 4.00 atm was compressed from 8.00 L to 2.00 L at constant temperature. After the compression, the gas pressure was __________ atm. A) 2.00 B) 16.0 C) 1.00 D) 8.00 E) 4.00 4) A balloon originally had a volume of 4.39 L at 44 °C and a pressure of 729 torr. The balloon must be cooled to __________°C to reduce its volume to 3.78 L (at constant pressure). A) 38 B) 0 C) 546 D) 72.9 E) 273 5) If 3.21 mol of a gas occupies 56.2 L at 44 °C and 793 torr, 5.29 mol of this gas occupies __________ L under these conditions. A) 30.9 B) 14.7 C) 478 D) 92.6 E) 61.7 6) A gas originally at 27 °C and 1.00 atm pressure in a 3.9 L flask is cooled at constant pressure until the temperature is 11 °C. The new volume of the gas is __________ L. A) 0.27 B) 0.24 C) 3.9 D) 4.1 E) 3.7 1
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Chemistry 1B Chapter 10 Worksheet - Daley 7) A sample of H 2 gas (12.28 g) occupies 100.0 L at 400.0 K and 2.00 atm. A sample weighing 9.49 g occupies __________ L at 353 K and 2.00 atm. A) 54.7 B) 77.3 C) 147 D) 68.2 E) 109 8) If 50.75 g of a gas occupies 10.0 L at STP, 129.3 g of the gas will occupy __________ L at STP. A) 3.92 B) 5.08 C) 50.8 D) 12.9 E) 25.5 9) A sample of a gas originally at 25 °C and 1.00 atm pressure in a 2.5 L container is allowed to expand until the pressure is 0.85 atm and the temperature is 15 °C. The final volume of the gas is __________ L. A) 2.1 B) 2.8 C) 3.0 D) 0.38 E) 2.6 10) The reaction of 50 mL of N 2 gas with 150 mL of H 2 gas to form ammonia via the equation: N 2 (g) + 3H 2 (g) 2NH 3 (g) will produce __________ mL of ammonia if pressure and temperature are kept constant. A) 50
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Chapter 10 Quiz - Chemistry 1B Chapter 10 Worksheet - Daley...

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