Question

Two moles of an ideal gas expand isothermally and reversibly form 1 litre to 10 litre at 300 K. The enthalpy change ( in kJ) for the process is:
a. 11.4 kJ
b. -11.4kJ
c. 0kJ
d. 4.8kJ​

Answer 1

at constant temp internal energy is 0

hence

enthalpy change =work done

✓✓4.8