Chapter 10 - Chapter 10 1. The volume of a large,...

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Chapter 10 1. The volume of a large, irregularly shaped, closed tank is determined as follows. The tank is first evacuated, and then it is connected to a 50.0 L cylinder of compressed nitrogen gas. The gas pressure in the cylinder, originally at 21.5 atm, falls to 1.55 atm without a change in temperature. What is the volume of the tank? A. 100 L B. 644 L C. 25 L D. 744 L E. There is not sufficient information to determine the volume of the tank. 2. Which curve represents the relationship between the volume of an ideal gas and its temperature in K at constant pressure? (E) None of the above. 3. Which statement about ideal gases is incorrect? A. Equal numbers of moles of two ideal gases of different molecular weight will fill the same volume at the same temperature and pressure. B. If the temperature of a given amount of an ideal gas is held constant, its pressure is directly proportional to the volume it occupies. C. The density of an ideal gas is independent of the volume it occupies at a given temperature and pressure. D. The mass of an ideal gas is proportional to its pressure at a fixed volume and temperature. E. The pressure of an ideal gas is proportional to its absolute temperature if its density is held constant.
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4. Solid substances A and B react to form a solid product C and a gaseous product D. Solids A, B, and C are weighed, and the volume, temperature and pressure of gas D are measured. From this and the ideal gas law, the number of moles of D are calculated.
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This note was uploaded on 07/16/2011 for the course CHEM 110 taught by Professor Hofmann,brucerob during the Spring '08 term at Pennsylvania State University, University Park.

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Chapter 10 - Chapter 10 1. The volume of a large,...

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