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Four kilograms of steam in a piston/cylinder device at 400 kPa and 175 °C undergoes isothermal and mechanically reversible process to a final pressure such that the steam is completely condensed (i.e., became a saturated liquid). Determine Q and W for this process: (a) Using steam Tables in Appendix F [Answer: Q = -8,898.7 kJ, W = 1,435.7 kJ] (b) Using generalized correlations and Equations (6.70 – 6.74). Comment on the accuracy of your answer. [Answer: Q = -9,461 kJ, W = 1494.9 kJ]

Four kilograms of steam in a piston/cylinder device at 400 kPa and 175 °C undergoes isothermal and mechanically reversible process to a final pressure such that the steam is completely condensed (i.e., became a saturated liquid). Determine Q and W for this process: (a) Using steam Tables in Appendix F [Answer: Q = -8,898.7 kJ, W = 1,435.7 kJ] (b) Using generalized correlations and Equations (6.70 – 6.74). Comment on the accuracy of your answer. [Answer: Q = -9,461 kJ, W = 1494.9 kJ]

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
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3. Four kilograms of steam in a piston/cylinder device at 400 kPa and 175 °C undergoes isothermal and mechanically reversible process to a final pressure such that the steam is completely condensed (i.e., became a saturated liquid). Determine Q and W for this process: (a) Using steam Tables in Appendix F [Answer: Q = -8,898.7 kJ, W = 1,435.7 kJ] (b) Using generalized correlations and Equations (6.70 6.74). Comment on the accuracy of your answer. [Answer: Q = -9,461 kJ, W = 1494.9 kJ]
Transcribed Image Text:3. Four kilograms of steam in a piston/cylinder device at 400 kPa and 175 °C undergoes isothermal and mechanically reversible process to a final pressure such that the steam is completely condensed (i.e., became a saturated liquid). Determine Q and W for this process: (a) Using steam Tables in Appendix F [Answer: Q = -8,898.7 kJ, W = 1,435.7 kJ] (b) Using generalized correlations and Equations (6.70 6.74). Comment on the accuracy of your answer. [Answer: Q = -9,461 kJ, W = 1494.9 kJ]
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