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Unformatted text preview: Girish Toofany- Chem121/120 2008-3 Surrey Le 1 Assignment 3. Due date: Sat Sep 27 23:59:00 2008 1 point(s) Gas Laws An isolated quantity of an ideal gas at 303.8 K has a volume of 12.34 L at a pressure of 2.02 atm. What is the pressure of this gas sample when the volume is halved and the absolute temperature is divided by four? You are correct. Your receipt is 167-5518 1 point(s) Ideal Gas Molecular Mass What is the molecular mass (in amu) of a gaseous element if 9.51 g occupies 6.31 L at 1619.28 torr and 74.5 C? amu You are correct. Your receipt is 167-1457 1 point(s) Density of an Ideal Gas Assuming ideal gas behaviour, what would be the density of gaseous phosphine (PH 3 ) at 22 C and 757 mmHg? You are correct. Your receipt is 167-4111 3 point(s) Mercury Manometer Pressure Units Schematic diagrams of three open-tube mercury manometers are shown below. (Not to scale.) 16.0 cm 29.0 cm Suppose the current atmospheric pressure, in each case, equals 1.008 atm . What is the pressure in bulb A , in pascals ? Pa You are correct. Your receipt is 167-7802 What is the pressure of the gas contained in bulb B ? You are correct. Your receipt is 167-2139 What is the pressure of the gas contained in bulb C ?...
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This note was uploaded on 06/27/2009 for the course CHEM CHEM 121 taught by Professor Peggy during the Spring '09 term at Simon Fraser.
- Spring '09