4
QuizMultiple Choice
Enthalpy and Phase Changes
Question 4 of 10 • *25-26 KCS18 Chemistry IC
A sample of substance X that has a mass of 326.0 g releases 4325.8 cal when it freezes at its freezing point. If substance X has a molar mass of 58.45 g/mol, what is the molar heat of fusion for substance X?Use .
Answer
A
13.31 cal/molB
74.00 cal/molC
775.6 cal/molD
19054.7 cal/mol