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In class we're currently learning about reversible and irreversible adiabatic processes.
For reversible process, we got dq=0, so dU = dw = -P*dV = Cv*dT.
What I don't get is where did the Cv*dT come from?
I remember q=C*dT, but dq = 0 so I'm not sure what that means?
Also, where does Cv*dT apply? In irreversible process, is dU also equal to Cv*dT? And when would we ever use Cp?
Any help clarifying this is appreciable. Thank you.
For reversible process, we got dq=0, so dU = dw = -P*dV = Cv*dT.
What I don't get is where did the Cv*dT come from?
I remember q=C*dT, but dq = 0 so I'm not sure what that means?
Also, where does Cv*dT apply? In irreversible process, is dU also equal to Cv*dT? And when would we ever use Cp?
Any help clarifying this is appreciable. Thank you.