EX/ A sample of argon (molar mass 39.9 gmol) of mass 6.56 g occupies 18.5 dm' at 305 K. (a) Calculate the work done when the gas expands isothermally against a constant external pressure of 7.7 kPa until its volume has increased by 2.5 dm. (b) Calculate the work that would be done if the same expansion occurred reversibly.

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
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Chapter17: Chemcial Thermodynamics
Section: Chapter Questions
Problem 17.103QE: A 220-ft3 sample of gas at standard temperature and pressure is compressed into a cylinder, where it...
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EX/ A sample of argon (molar mass 39.9 g/mol') of mass 6.56 g occupies 18.5 dm
at 305 K. (a) Calculate the work done when the gas expands isothermally against a
constant external pressure of 7.7 kPa until its volume has increased by 2.5 dm. (b)
Calculate the work that would be done if the same expansion occurred reversibly.
Transcribed Image Text:EX/ A sample of argon (molar mass 39.9 g/mol') of mass 6.56 g occupies 18.5 dm at 305 K. (a) Calculate the work done when the gas expands isothermally against a constant external pressure of 7.7 kPa until its volume has increased by 2.5 dm. (b) Calculate the work that would be done if the same expansion occurred reversibly.
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