Candieboo9623 Candieboo9623

21-05-2024
Physics

Answered

A polytropic expansion process of ideal gas starts at 900°C . The gas temperature after the expansion is 230°C . The process law is pV 1.28 = Constant. The mass of the gas is 0.76kg . For the gas, R = 257J/kg . K and Cp = 1025 J/kg.K . Calculate the work done during the expansion process. Enter your answer in kJ ( not J ) .

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