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Mayer\'s formola ? |
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Answer» Mayor \'s Relationship:By using 1st law of thermodynamics,dQ=dU + pdvIf specific heat of a gas at constant volumeC = (dQ / dT)C = dU / dT ...................(1 )If specific heat capacity at constant pressureC = (dQ / dT)C = dU + Pdv / dTC = dU / dT + P(dV / dT)C C + Pdv / dT (using 1 ) ........................(2)By applying ideal gas equation for 1 molePV = nRTPV = (1)RTPV = RTP dv / dt = R dT / dtPdv = RdTP(dv / dT) =RPutting dis value in eq 2nd we get,C - C = R CP-CV=R |
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