Chemistry

Problem

5 mole of an ideal gas expand reversibly from a volume of

8 \text{ dm}^3

80 \text{ dm}^3

at a temperature of

27^\circ \text{C}

. The change in entropy is :- (1)

41.57 \text{ JK}^{-1}

(2)

-95.73 \text{ JK}^{-1}

(3)

95.73 \text{ JK}^{-1}

(4)

-41.57 \text{ JK}^{-1}