Exam
Chemistry
The internal energy change (in J) When 90 g of
water undergoes complete evaporation at
100oC is ____________.
(Given : Hvap for water at 373 K = 41 kJ/mol,
R = 8.314 JK–1 mol–1)
(Given : Hvap for water at 373 K = 41 kJ/mol,
R = 8.314 JK–1 mol–1)
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