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Be sure to answer all parts. The molar heats of fusion and vaporization of a certain substance are 2.37 kJ/mol and 8.91 kJ/mo
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Ans AHjusion = 2.37 kJ/mol meeting = - 165 0 =(-165 + 273) K - lodk Sjusion = siguron Tmeeting = 2- 37 x 103J molt До к Los fAnd shvap=8.91 kJ mot Thobling= (-120 + 273) = 153k ASvap = BHvap t boiling I Svap = 0.91 x 103 5 mort 153K ID Svap = 5 d. 23

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