The power generation unit in your plant uses a hot exhaust gas from another process to produce work. The gas enters at 10 bar and 350 °C and exits at 1 bar and 40 °C. The process produces a net amount of work equal to 4,500 J/mol and it exchanges an unknown amount of heat with the surroundings. Calculate the entropy change of the exhaust gas. Report your answer in units of J/(mol K) using at least three decimal places. Additional data: Assume the surroundings to be at the constant temperature of 25 °C and the exhaust gas to be ideal with Cp = 29.3 J/(mol K).
The power generation unit in your plant uses a hot exhaust gas from another process to produce work. The gas enters at 10 bar and 350 °C and exits at 1 bar and 40 °C. The process produces a net amount of work equal to 4,500 J/mol and it exchanges an unknown amount of heat with the surroundings. Calculate the entropy change of the exhaust gas. Report your answer in units of J/(mol K) using at least three decimal places. Additional data: Assume the surroundings to be at the constant temperature of 25 °C and the exhaust gas to be ideal with Cp = 29.3 J/(mol K).
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:The power generation unit in your plant uses a hot exhaust gas from another process to produce
work. The gas enters at 10 bar and 350 °C and exits at 1 bar and 40 °C. The process produces a
net amount of work equal to 4,500 J/mol and it exchanges an unknown amount of heat with the
surroundings.
Calculate the entropy change of the exhaust gas. Report your answer in units of J/(mol K) using at
least three decimal places.
Additional data: Assume the surroundings to be at the constant temperature of 25 °C and the
exhaust gas to be ideal with Cp 29.3 J/(mol K).
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