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Preview questions
1. What is the first law of thermodynamics?
Energy can be created or destroyed. · The total energy of an isolated system is constant. · Heat is a form of energy. · Work done is independent of the path taken.
2. Which of the following is a state function?
Work · Heat · Internal Energy · Power
3. In an isothermal process, what remains constant?
Pressure · Volume · Temperature · Internal Energy
4. What does the term 'adiabatic' refer to?
No heat exchange with surroundings · Constant pressure process · Constant volume process · Heat exchange occurs
5. Which equation represents the work done in an isothermal expansion of an ideal gas?
W = PΔV · W = nRT ln(Vf/Vi) · W = ΔU + Q · W = 0
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