Methanol (CH3OH) has a heat of fusion of 3.16 kJ/mol. Which of the following is the heat of solidification that occurs when 64 grams of liquid methanol freezes?

-199 kJ

-6.32 kJ

199 kJ

6.32 kJ

To determine the heat dissipated when a substance freezes, we multiply the heat of fusion of the substance to the mass of the substance that freezes. We calculate as follows:

Heat = - 3.16 (64/32.06) = - 6.32 kJ

Hope this answers the question.