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I have used thermodynamic equation but I`m not getting required answer

I have used thermodynamic equation but I`m not getting required answer

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Grade:12th pass

1 Answers

Arun
25750 Points
5 years ago
V = nRT / P
= (1 mol × 0.0821 L.atm/(mol K) × 373 K) / (1 atm)
= 30.6 L
Work = P (Vf - Vi)
= 1 atm × (30.6 L - 0 L) ………[∵ When compared to volume of vapour, volume of water is negligible]
= 30.6 L atm
∴ Work done = 30.6 L atm
[Note: In case if you want answer in Joules then convert it by using the relation
1 L atm = 101.3 Joules]
 Hence work done = 30.6 * 101.3 = 3100 joules

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