suppl 9 - CHM 11200 Spring 10 Chapter 9 Worked Lecture...

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CHM 11200 Spring 10 Chapter 9 Worked Lecture Examples
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Example 1 (Practice Problem 9.1, p 333) The pressure of a gas is 8.25 x 10 4 Pa. What is this pressure expressed in units of atm and torr?  torr 619 atm 1 torr 760 atm 0.814 atm 0.814 kPa 101.325 atm 1 Pa 1000 kPa 1 Pa 10 x 8.25 4
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Example 2 (Practice Problem 9.3, p 337) What pressure is needed to compress 455 mL of oxygen gas at 2.50 atm to a volume of 282 mL? P 1 = 2.50 atm P 2 = ? V 1 = 455 mL V 2 = 282 mL P 1 V 1 = P 2 V 2  atm 4.03 mL 282 mL 455 atm 2.50 P V V P P 2 1 1 2 2
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Example 3 (Practice Problem 9.5, p 340) A sample of carbon monoxide gas occupies 150.0 mL at 25.0°C. It is then cooled at constant pressure until it occupies 100.0 mL. What is the new temperature in degrees Celsius? V 1 = 150.0 mL V 2 = 100.0 mL T 1 = 25.0°C = 298.15 K T 2 = ??  C 74.4 - K 273.15 - K 198.8 T K 198.8 mL 150.0 K 298.15 mL 100.0 T V V T T T V T V 1 2 1 2 2 2 1 1 2 2
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Example 4 (Practice Problem 9.6, p 342) A sample of hydrogen gas occupies 1.25 L at 80.0°C and 2.75 atm. What volume will it occupy at 185°C and 5.00
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This note was uploaded on 04/03/2011 for the course CHEM 112 taught by Professor Harwood during the Spring '11 term at Purdue University-West Lafayette.

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suppl 9 - CHM 11200 Spring 10 Chapter 9 Worked Lecture...

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