How much energy is given off when 55.0g of steam at 115.0oC is cooled to water at 75.0oC?
(csteam = 2.0 J/goC cwater = 4.18 J/goC cice = 2.03 J/goC)
(?Hvap = 40.7 kJ/mol ?Hfus = 6.02 kJ/mol)
a. 7.52 kJ
b. 25.8 kJ
c. 116.8 kJ
d. 131.6 kJ
e. 4400 kJ
Answer: D
Chemistry
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