Answer:
Explanation:
a)
change in entropy of source = heat taken / temperature of source
= 6.28 x 10⁵ / (273 + 150)
= 628000 / 423
= 1484.63 JK⁻¹ ( decrease in entropy )
heat rejected in sink = 628000 x (273 + 50) / 423
= 628000 x 323 / 423
= 479536.64 J
change in entropy of sink = heat rejected / temperature of sink
= 479536.64 / (273 + 50)
=479536.64 / 323
= 1484.63 JK⁻¹ ( increase in entropy )
b )
net entropy change in the system
= +1484.63 - 1484.63
= zero.
