Problem 30E
In an adiabatic process for an ideal gas, the pressure decreases. In this process does the internal energy of the gas increase or decrease? Explain your reasoning.
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Solution 30E First law of thermodynamics for a system is dq-dw=du In reversible adiabatic process dq=0 Therefore equation for this process is -dw=du When gas expands it do work i.e. dw= +ve therefore du = - ( +ve) du = -ve...
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Chapter 19, Problem 30E is Solved
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