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What is the change in entropy when 1 litre of water at 27℃ is heated to 77℃

What is the change in entropy when 1 litre of water at 27℃  is heated to 77℃

Grade:12th pass

1 Answers

Arun
25757 Points
3 years ago
Dear student
 
w = 1 lit = 1 kg (approx)
hence mole n = 1000/18.5 = 54.054
 
now entropy change = n * cp ln (T2/ T1)
 
 = 54.054 * 4.2 * ln (360/300)
 
Now calculate

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