1 CHEM 2040U-W2011- ASSIGNMENT #1 DUE: FEBRUARY 2nd(Lecture Class) INSTRUCTORS: Dr. Liliana Trevani / Mr. Shumail Kamal Problem #1A mixture of hydrogen and ammonia has a volume of 153.2 cm3at 0.00 oC and 1 atm. The mixture is cooled to the temperature of liquid nitrogen at which ammonia freezes out and the remaining gas is removed from the vessel. Upon warming the vessel to 0.00 oC and 1 atm, the volume is 98.7 cm3. Calculate the mole fraction of ammonia in the original mixture. Problem #2Liquid nitrogen has a density of 875.4 kg.m-3L at its normal boiling point. What volume does a balloon occupy at 22.4 oC and a pressure of 1.00 atm if 2.75x10-3L of liquid nitrogen is inject to it? Assume that there is no pressure difference between the inside and outside of the balloon.
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