The specific heat at constant volume per mole of 3R/2 is for what type of molecule?
a. monatomic b. diatomic
c. polyatomic d. any type
[Ques. 2] Three resistors connected in series each carry currents labeled I1, I2 and I3 . Which of the following expresses the value of the total current IT in the system made up of the three resistors in series?
a. IT = I1 + I2 + I3
b. IT = (1/I1 + 1/I2 + 1/I3)
c. IT = I1 = I2 = I3
d. IT = (1/I1 + 1/I2 + 1/I3)1
[Ques. 3] How much thermal energy must be added to 7.10 moles of a diatomic ideal gas to raise its temperature 22.1 K?
a. 652 J
b. 1 960 J
c. 4 570 J
d. 3 260 J
e. 3 520 J
[Ques. 4] Three 7.0- resistors are connected in series. What is their equivalent resistance?
a. 21
b. 7.0
c. 16
d. 2.3
e. 10
[Ques. 5] System 1 is 3.1 moles of a monatomic ideal gas held at a constant volume of 2.70 L as it undergoes a temperature increase. System 2 is 3.1 moles of a diatomic ideal gas held at a constant volume of 2.7 L as it undergoes a temperature increase equal to the temperature increase of System 1 . The pressure increase for system 1 is P1 and for System 2 is P2 during the temperature increases. What is the ratio of P1/P2?
a. 1.0
b. 0.60
c. 1.7
d. 2.5
e. 4.5
[Ques. 6] An 8.00- resistor is connected to a battery with internal resistance of 0.200 . If the terminal voltage across the battery is 9.00 V, what is the battery's emf?
a. 8.78
b. 9.23
c. 0.225
d. 0.178
[Ques. 7] System 1 is 4.20 moles of a monatomic ideal gas held at a constant volume as it undergoes a temperature increase. System 2 is 4.20 moles of a diatomic ideal gas held at constant volume as it also undergoes a temperature increase. The thermal energy absorbed by System 1 is Q1, and the thermal energy absorbed by System 2 is Q2 as both systems undergo a temperature increase of 76.0 K. What is the ratio Q1/Q2?
a. 1.00
b. 0.600
c. 1.67
d. The volumes of the systems need to be known before the ratio can be found.
e. 2.50
[Ques. 8] A battery has an emf of 12.0 V and an internal resistance of 3.00 . If the battery delivers 120 mA when connected to a load, what is the load resistance?
a. 97.0
b. 100
c. 4.00
d. 36.0
[Ques. 9] A thermodynamic process that happens very quickly tends to be
a. isobaric.
b. isothermal.
c. isovolumetric.
d. adiabatic.
[Ques. 10] A battery with an emf of 12.0 V has a terminal voltage of 11.25 V when the current is 3.15 A. What is the load resistance, R?
a. 0.238
b. 2.34
c. 3.57
d. 7.38
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