31. Given a fixed amount of gas held at constant pressure, calculate the temperature to which the gas would have to be changed if a 1.75 L sample at 23.0oC were to have a final volume of 3.50 L.
A) 46.0oC B) 89.5oC C) 169oC D) 319oC E) 592oC
32. A given mass of gas in a rigid container is heated from 100oC to 500oC. Which of the following best describes what will happen to the pressure of the gas?
A)The pressure will remain the same.
B)The pressure will decrease by a factor of five.
C)The pressure will increase by a factor of five.
D)The pressure will increase by a factor less than five.
E)The pressure will increase by a factor greater than five.
33. Given a fixed amount of gas in a rigid container (no change in volume), what pressure will the gas exert if the pressure is initially 2.50 atm at 22.0oC, and the temperature is changed to 66.0oC?
A) 7.50 atm B) 2.87 atm C) 0.833 atm D) 2.50 atm E) 3.75 atm
34. Given a fixed amount of gas in a rigid container (no change in volume), what pressure will the gas exert if the pressure is initially 1.50 atm at 22.0oC, and the temperature is changed to 11.0oC?
A) 0.750 atm B) 3.00 atm C) 1.56 atm D) 1.44 atm E) 301 atm
35. Given a fixed amount of gas in a rigid container (no change in volume), what temperature will the gas have to be changed to if the pressure is initially 3.50 atm at
22.0oC, and the desired final pressure is 1.75 atm?
A) -126oC B) 11.0oC C) 44.0oC D) 148oC E) -148oC
36. Given a fixed amount of gas in a rigid container (no change in volume), what temperature will the gas have to be changed to if the pressure is initially 1.50 atm at
42.0oC, and the desired final pressure is 3.00 atm?
A) 84.0oC B) 21.0oC C) 630oC D) 357oC E) 273oC
37. For which of the following changes is it not clear whether the volume of a particular sample of an ideal gas will increase or decrease?
A)increase the temperature and increase the pressure
B)decrease the temperature and increase the pressure
C)increase the temperature and decrease the pressure
D)increase the temperature and keep the pressure constant
E)keep temperature constant and decrease the pressure
38. A sample of gas initially occupies 3.35 L at a pressure of 0.950 atm at 13.0oC. What will the volume be if the temperature is changed to 22.5oC, and the pressure is changed to 1.05 atm?
A) 5.13 L B) 3.13 L C) 1.79 L D) 2.93 L E) 3.58 L
39. A sample of gas initially occupies 4.25 L at a pressure of 0.850 atm at 23.0oC. What will the volume be if the temperature is changed to 11.5oC, and the pressure is changed to 1.50 atm?
A) 2.31 L B) 1.20 L C) 4.82 L D) 2.50 L E) 7.21 L
40. A sample of gas initially occupies 5.50 L at a pressure of 0.750 atm at 13.0oC. What will the pressure be if the temperature is changed to 22.5oC, and the volume is changed to 1.50 L?
A) 6.39 atm B) 11.4 atm C) 0.211 atm D) 2.84 atm E) 1.59 atm
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