A cylinder contains 0.5 m3of a gas at 1 × 105 N/m2 and 90°C. The gas is compressed to a volume of 0.125 m3, the final pressure being 6 × 105 N/m2. Determine: (a) The mass of gas. (b) The value of index ‘n’ for compression. (c) The increase in internal energy of gas. (d) The heat received or rejected by the gas during compression. (γ = 1.4, R = 294.2 Nm/kg-°C).

A cylinder contains 0.5 m3of a gas at 1 × 105 N/m2 and 90°C. The gas is compressed to a volume of 0.125 m3, the final pressure being 6 × 105 N/m2. Determine: (a) The mass of gas. (b) The value of index ‘n’ for compression. (c) The increase in internal energy of gas. (d) The heat received or rejected by the gas during compression. (γ = 1.4, R = 294.2 Nm/kg-°C).

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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