(a)
Interpretation: The final temperature for the adiabatic expansion of 0.5 mol of an ideal gas with
Concept Introduction: For an adiabatic process, the heat involved is equal to zero. The molar heat capacity at constant volume is represented as
(b)
Interpretation: The final temperature needs to be determined, if the same gas undergoes adiabatic expansion with external and final pressure equals to 1.25 bar.
Concept Introduction: The change in internal energy is calculated as follows:
Here, n is number of moles,
The work done is represented as follows:
Here, P is external pressure and
The enthalpy of a reaction is represented as follows:
Here, n is number of moles, R is Universal gas constant and
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Thermodynamics, Statistical Thermodynamics, & Kinetics
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- Physical ChemistryChemistryISBN:9781133958437Author:Ball, David W. (david Warren), BAER, TomasPublisher:Wadsworth Cengage Learning,