With what minimum pressure must a given volume of an ideal gas (), originally at 400 K and 100 kPa, be adiabatically compressed in order to raise its temperature up to 700 K?

Question

With what minimum pressure must a given volume of an ideal gas ($\gamma = 1.4$), originally at 400 K and 100 kPa, be adiabatically compressed in order to raise its temperature up to 700 K?

Prashant Kotian · Accepted Answer

Correct answer: B. Minimum external pressure for an irreversible adiabatic compression equals the final pressure . Work . Substituting yields . .

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