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Work done if 100g water is electrolysed at a constant pressure of 1atm -19.0 kJ 203.8 J 8.33 kJ 42.20 kJ

Work done if 100g water is electrolysed at a constant pressure of 1atm
  1. -19.0 kJ
  2. 203.8 J
  3. 8.33 kJ
  4. 42.20 kJ

Grade:11

1 Answers

Arun
25750 Points
3 years ago
work done = P dV = (m/M) R dT = (50/18) 2 x 25 = 140 calories = 140 x4.2 = 588 J.
 
Hope it helps
 
Thanks and regards

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