2. One kg of nitrogen contained in a cylinder at a pressure of 7bar and temperature of 300K expands 4 times The process of expansion is assumed to take place at constant pressure. Calculate a) Initial volume b) Final temperature c) Work done d) Heat added. e) Change in internal energy. For nitrogen assume, C, =1.045 kJ/kg K, R=0.296 kJ/kg K. 2 its original volume.

2. One kg of nitrogen contained in a cylinder at a pressure of 7bar and temperature of 300K expands 4 times The process of expansion is assumed to take place at constant pressure. Calculate a) Initial volume b) Final temperature c) Work done d) Heat added. e) Change in internal energy. For nitrogen assume, C, =1.045 kJ/kg K, R=0.296 kJ/kg K. 2 its original volume.

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 29RQ: If 3000 ft3 of air is crossing an evaporator coil and iscooled from 75F to 55F, what would be the...

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