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[" Certain mass of gas is expanded from ( "1L,10atm)" to "(4L,5" atm) against a constant external "],[" pressure of "1atm" .If initial temperature of gas is "300K" and the heat capacity of process is "],[50J/^(@)C" then the enthalpy change during the process is "(1Latm=100J)],[[" A) "Delta H=15kJ," B) "Delta H=15.7kJ," C) "Delta H=14.4kJ," D) "Delta H=14.7kJ]]

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