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Question: 4 points quasistatic adiabatic expansion of an ideal gas consider...

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(4 points) Quasistatic adiabatic expansion of an ideal gas: Consider the process in which an ideal gas of n moles of molecules start from an initial state of volume V, and temperature T, and adiabatically expanded to a final state of volume Vf. (a) Calculate the work done by the ideal gas (in class we use Δw to denote the work received by the system, so here what we want is -AW). The final answer should be expressed in terms of V, Vf, Ti, n, γ-Cp/C, and the ideal gas constant R. (b) Given heat capacity Cv, calculate the change of temperature during this process. Does the gas turned hotter or colder after quasistatic adiabatic expansion?

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