Two containers of equal volume contain the same gas at pressures `P_(1)andP_(2)` and absolute temperatures `T_(1)andT_(2)` respectively. On joining the vessels, the gas reaches a common pressure P and a common temperature T. Find the value P/T.
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Number of moles before joining = Number of moles after joining the vessels. `n_(1)+n_(2)=n_(1)^(1)+n_(2)^(1)` `rArrP_(1)/T_(1)+P_(2)/T_(2)=(2P)/T" "thereforeP/T=1/2[P_(1)/T_(1)+P_(2)/T_(2)]`
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