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WorksheetsLecture 15 (2024)
Total questions: 10
Worksheet time: 5mins
What is the equation for the first law of thermodynamics?
ΔU=Q+W
ΔU=Q-W
ΔU=-Q+W
ΔU+Q+W=0
Process D on the PV diagram is an ______________ process.
isobaric expansion
isobaric compression
isochoric cooling
Isochoric heating
Process A on the PV diagram is an ______________ process.
Isobaric compression
isobaric expansion
isochoric heating
isochoric cooling
In Isothermal process which property remains constant
Volume
Pressure
Concentration
Temperature
For an adiabatic process, which of the following statements is correct?
a. Work, heat, and internal energy all undergo changes.
b. Work and heat balance each other, so that there is no change in internal energy.
c. No energy is transferred as heat; internal energy change is due to work.
d. No work is done; internal energy change is due to heat.
During process A, from state 1 to state 2, the temperature of the ideal gas
stays the same
increases
decreases
is half as much
For an isovolumetric process, which of the following statements is correct?
a. Work, heat, and internal energy all undergo changes.
b. Work and heat balance each other, so that there is no change in internal energy.
c. No energy is transferred as heat; internal energy change is due to work.
d. No work is done; internal energy change is due to heat.
Which of the following equations is the equation for calculating the work done by a gas in a piston?
(Hint: Constant temperature)
W=0
W = FΔV
W =nRTln V1V2
W=Area under gradient
