Question

When 5moles of an ideal gas expands from 10 L to 20 L temperature changes from 300 to 400k .if heat capacity Cp is 4 cal .find Chang in entropy

Answer 1

Answer:

ΔS=2.303 n Rlog(

V

1

V

2

)

=2.303×10×8.314log(

10

100

)=191.47 JK

−1

Thus ΔS=191.47JK

−1