L.A certain gas occupies a space of 0.3 m3 at a pressure of 2 bar and a temperature of 77°C. It is heated at a constant volume, till the pressure is 7 bar. Determine (a) temperature at the end of the process (b) mass of the gas (c) change in internal energy (d) change in enthalpy. Assume cp = 1.005 kJ/kg K, cv = 0.712 kJ/kg K, R = 287 J/kg K.

L.A certain gas occupies a space of 0.3 m3 at a pressure of 2 bar and a temperature of 77°C. It is heated at a constant volume, till the pressure is 7 bar. Determine (a) temperature at the end of the process (b) mass of the gas (c) change in internal energy (d) change in enthalpy. Assume cp = 1.005 kJ/kg K, cv = 0.712 kJ/kg K, R = 287 J/kg K.

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter2: Matter And Energy

Section: Chapter Questions

Problem 17RQ: At a constant pressure, how does a volume of gas vary with respect to the absolute temperature?

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