In an isobaric reversible process, the ratio of heat supplied to the system (dq) and work done by the system (dW) for a ideal monoatomic gas is:
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Solution
At constant pressure, (isobaric process) heat supplied is given as: qp=nCpdT Cp for a monoatomic gas = 52R
So, qp=52nRdT
Work done by system is given as: dw=nRdT
Hence, the ratio is: dqdw=(5/2)nRdTnRdT =52=2.5