Answer to Question #210496 in Physical Chemistry for pesky

Question

1 mole of an ideal gas is allowed to expand against a piston that supports 0.4atm. the initial pressure was 10atm and final pressure is 0.4atms, the temperature being constant at 0^oC.

a. How much work is done by the gas during the expansion?

b. what is the change in internal energy and in the enthalpy of the gas

c. How much heat is absorbed?

Answer 1

a) 567J

b)Change in internal energy=$-364kJ/mol$

c) Heat absorbed =$+34kJ/mol$