A certain mass of gas expanded from ( 1L, 10 atm) to (4 L, 5 atm) against a constant external pressure of 1 atm. If initial temperature of gas is 300 K and the heat capacity of process is `50 J//^(@)C`. Then the enthalpy change during the process is : (`1"L" "atm" underline ~ 100 J`)A. `DeltaH=15 kJ`B. `DeltaH=15.7 kJ`C. `DeltaH=14.4 kJ`D. `DeltaH=14.7 kJ`

A certain mass of gas expanded from ( 1L, 10 atm) to (4 L, 5 atm) agai

1.	A certain mass of gas expanded from ( 1L, 10 atm) to (4 L, 5 atm) against a constant external pressure of 1 atm. If initial temperature of gas is 300 K and the heat capacity of process is `50 J//^(@)C`. Then the enthalpy change during the process is : (`1"L" "atm" underline ~ 100 J`)A. `DeltaH=15 kJ`B. `DeltaH=15.7 kJ`C. `DeltaH=14.4 kJ`D. `DeltaH=14.7 kJ`
Answer» Correct Answer - D

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