A bicycle pump contains air at one atmosphere and 0C. As the tire is pumped up, the volume of air decreases by 50 with each stroke. What is the new pressure of air (in atm) in the chamber after the first stroke, assuming no temperature change?
a. 2
b. 1
c. 0.5
d. 0.1
e. 3
[Ques. 2] One mole of an ideal gas has a temperature of 25C. If the volume is held constant and the pressure is doubled, the final temperature (in C) will be
a. 174
b. 596
c. 50
d. 323
e. 25
[Ques. 3] One mole of an ideal gas is held at a constant volume of 1 liter. Find the change in pressure if the temperature increases by 50C.
a. 3 atm
b. 4 atm
c. 2 atm
d. 1 atm
e. 5 atm
[Ques. 4] One mole of an ideal gas is held at a constant pressure of 1 atm. Find the change in volume (in liters) if the temperature changes by 50C.
a. 1
b. 2
c. 3
d. 4
e. 5
[Ques. 5] An auditorium has a volume of 6 103 m3 . How many molecules of air are needed to fill the auditorium at one atmosphere and 0C?
a. 1.6 1029
b. 1.6 1027
c. 1.6 1025
d. 1.6 1023
e. 1.6 1020
[Ques. 6] An auditorium has dimensions 10 m 10 m 60 m. How many moles of air fill this volume at one atmosphere and 0C?
a. 2.7 102
b. 2.7 104
c. 2.7 103
d. 2.7 105
e. 2.7 106
[Ques. 7] A gallon container is filled with gasoline. How many gallons are lost if the temperature increases by 25F? (The volume expansion of gasoline is 9.6 104 (C)1.) (Neglect the change in volume of the container.)
a. 2.4 102
b. 1.3 102
c. 3.6 102
d. 4.8 102
e. 9.6 102
[Ques. 8] A building made with a steel structure is 650 m high on a winter day when the temperature is 0F. How much taller (in cm) is the building when it is 100F? (The linear expansion coefficient of steel is 11 106 (C)1.)
a. 71
b. 36
c. 40
d. 46
e. 65
[Ques. 9] A bridge is made with segments of concrete 50 m long. If the linear expansion coefficient is 12 106 (C)1, how much spacing (in cm) is needed to allow for expansion during an extreme temperature change of 150F?
a. 10
b. 2.5
c. 7.5
d. 5.0
e. 9.5
[Ques. 10] At what temperature is the Celsius scale reading equal to twice the Fahrenheit scale reading?
a. 12.3F
b. 24.6F
c. 12.3C
d. 6.1C
e. 20F
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