Chemistry 101
1
p.320 36) a balloon is filled to a volume of 7.00 x 10^2 mL at a temperature of 20.0 C. The balloon is then cooled at a constant pressure to a temperature of 1.00 x 10^2 K. What is the final volume of the balloon? 40) Complete the ff table for an ideal gas P V N T 7.74 x 10^3 12.2 mL 25 C 43.0 mL 0.421 mol 223 K 455 torr 4.4 x 10^-2 mol 331 C 745 mm Hg 11.2 L 0.401 mol p.322 64) A tank contains a mixture of 52.5 g oxygen gas and 65.1 g carbon dioxide gas at 27C. The total pressure in the tank is 9.21 atm. Calculate the partial pressure of each gas in the container. P375 40 (A-D) )In each of the ff groups of substances, pick the one that has the given property. Justify each answer. a) highest boiling point: CCL4, CF4 , CBR4 b) lowest freezing point: LiF, F2, HCl c) smallest vapor pressure at 25C: CH3OCH3 , CH3CH2OH , CH3CH2CH3 d) greatest viscosity: H2S , HF, H2O2
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Transcript of Chemistry 101
p.320
36) a balloon is filled to a volume of 7.00 x 10^2 mL at a temperature of 20.0 C. The balloon is then cooled at a constant pressure to a temperature of 1.00 x 10^2 K. What is the final volume of the balloon?
40) Complete the ff table for an ideal gas
P V N T7.74 x 10^3 12.2 mL 25 C
43.0 mL 0.421 mol 223 K455 torr 4.4 x 10^-2 mol 331 C745 mm Hg 11.2 L 0.401 mol
p.322
64) A tank contains a mixture of 52.5 g oxygen gas and 65.1 g carbon dioxide gas at 27C. The total pressure in the tank is 9.21 atm. Calculate the partial pressure of each gas in the container.
P375
40 (A-D) )In each of the ff groups of substances, pick the one that has the given property. Justify each answer.
a) highest boiling point: CCL4, CF4 , CBR4
b) lowest freezing point: LiF, F2, HCl
c) smallest vapor pressure at 25C: CH3OCH3 , CH3CH2OH , CH3CH2CH3
d) greatest viscosity: H2S , HF, H2O2
