How much energy is required to heat 36.0 g H2O from a liquid at 65°C to a gas at 115°C? The following physical data may be useful. ΔHvap = 40.7 kJ/mol
Cliq = 4.18 J/g∘C
Cgas = 2.01 J/g∘C
Csol = 2.09 J/g∘C
Tmelting = 0∘C
Tboiling = 100∘C
A) 63.5 kJ
B) 87.7 kJ
C) 10.9 kJ
D) 52.7 kJ
E) 91.7 kJ
Correct Answer:
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