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

Question

The internal energy change (in J) When 90 g of water undergoes complete evaporation at 100^oC is ____________.

(Given : $\Delta $H_vap for water at 373 K = 41 kJ/mol,
R = 8.314 JK^–1 mol^–1)

Correct Answer

189494TO189495

Solution

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