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One mole of an ideal gas at 10 atm pressure is contained in a vessel at 300K. The gas is expanded till the pressure becomes 2 atm and the temperature reaches 400K. Calculate the work done on the system and the heat absorbed by it if the change is brought about by the following processes: A] The gas is expanded isothermally against a constant external pressure of 2 atm, then heated to the desired temperature at constant volume, and finally expanded till the final state is reached. B] The gas is expanded by an isothermal reversible process, then heated to 400K, and again expanded reversibly till the final state is reached. C] The gas is first heated in an isochoric process and then expanded reversibly in an isothermal process.

One mole of an ideal gas at 10 atm pressure is contained in a vessel at 300K. The gas is expanded till the pressure becomes 2 atm and the temperature reaches 400K. Calculate the work done on the system and the heat absorbed by it if the change is brought about by the following processes: A] The gas is expanded isothermally against a constant external pressure of 2 atm, then heated to the desired temperature at constant volume, and finally expanded till the final state is reached. B] The gas is expanded by an isothermal reversible process, then heated to 400K, and again expanded reversibly till the final state is reached. C] The gas is first heated in an isochoric process and then expanded reversibly in an isothermal process.

Chemistry
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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1. One mole of an ideal gas at 10 atm pressure is contained in a vessel at 300K. The is expanded till the pressure becomes 2 atm and the temperature reaches 400K. Calculate the work done on the system and the heat absorbed by it if the change is brought about by the following processes: gas A] The gas is expanded isothermally against a constant external pressure of 2 atm, then heated to the desired temperature at constant volume, and finally expanded till the final state is reached. B] The again expanded reversibly till the final state is reached. gas is expanded by an isothermal reversible process, then heated to 400K, and C] The gas is first heated in an isochoric process and then expanded reversibly in an isothermal process.
Transcribed Image Text:1. One mole of an ideal gas at 10 atm pressure is contained in a vessel at 300K. The is expanded till the pressure becomes 2 atm and the temperature reaches 400K. Calculate the work done on the system and the heat absorbed by it if the change is brought about by the following processes: gas A] The gas is expanded isothermally against a constant external pressure of 2 atm, then heated to the desired temperature at constant volume, and finally expanded till the final state is reached. B] The again expanded reversibly till the final state is reached. gas is expanded by an isothermal reversible process, then heated to 400K, and C] The gas is first heated in an isochoric process and then expanded reversibly in an isothermal process.
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