Suppose an adiabatic process goes from a hot temperature to a cold one by an adiabatic expansion. Say from pa va and Ta to Pb vb and To, with Ta> Tb. Calculate the work done by the gas in this process.

Suppose an adiabatic process goes from a hot temperature to a cold one by an adiabatic expansion. Say from pa va and Ta to Pb vb and To, with Ta> Tb. Calculate the work done by the gas in this process.

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter12: Thermodynamic Processes And Thermochemistry

Section: Chapter Questions

Problem 18P

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Question

Problem 3) A monatomic ideal gas undergoes an adiabatic process described below in part c).
a) Define what does adiabatic process mean.
b) What if any constraints on pressure and volume is necessary for an adiabatic process?
c) Suppose an adiabatic process goes from a hot temperature to a cold one by an adiabatic
expansion. Say from Pa va and Ta to Pb vb and To, with Ta> Tb. Calculate the work
done by the gas in this process.
d)
Where does the energy for this work come from?
e) Validate your answer by a calculating the work done in terms of the initial and finial
temperatures.

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