In an isothermal expansion,the increase in volume with a decrease in pressure of a gas is greater than in an adiabatic expansion,because .............

  • A
    The internal energy of the system does not change in isothermal and adiabatic expansion.
  • B
    The temperature remains constant in isothermal expansion,whereas the temperature decreases in adiabatic expansion.
  • C
    In isothermal expansion $q = w$,whereas in adiabatic expansion $\Delta U = w$.
  • D
    Work is done by the system in an isothermal process,whereas work is done on the system in an adiabatic process.

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