An ideal gas of 2 kg occupies a volume of 0.3 m' at pressure, 10 bar and temperature, 500K. the intenal energy decreases to 300 kJ when this gas expands polytropically by the law Pv^1.2 = C. Given the specific heat, Cv = 0.75 kJkg.K. Determine: i )The specific gas constant. ii)The final temperature. iii) The final pressure. (iv)The final volume of the gas. (V)The work done.

An ideal gas of 2 kg occupies a volume of 0.3 m' at pressure, 10 bar and temperature, 500K. the intenal energy decreases to 300 kJ when this gas expands polytropically by the law Pv^1.2 = C. Given the specific heat, Cv = 0.75 kJkg.K. Determine: i )The specific gas constant. ii)The final temperature. iii) The final pressure. (iv)The final volume of the gas. (V)The work done.

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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