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anurag sadish Grade:
        what happens during adiabatic enpansion of a gas and how does it affect the temperature of the container?  what hapens to the pressure and internal energy ?
7 years ago

Answers : (1)

879 Points

Dear student,

For a perfect (ideal) gas, Cp = CV + R , where Cp and CV are the molar heat capacities at constant pressure and volume, respectively. For an arbitrary real gas a slightly more complicated relationship between these heat capacities may be derived from the equation of state. Essentially, however, the difference between heating a gas at constant volume and constant pressure is expansion work. Thus, the ratio Cp / CV is related to the capacity of the system to do work upon expansion. This ratio is usually given the symbol (gamma) [lower case greek gamma].


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Sagar Singh

B.Tech, IIT Delhi

7 years ago
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