7
QuizMultiple Choice
Enthalpy and Phase Changes
Question 7 • CR SS Chemistry S2 2018/19 2026
Copper has a Hfus = 13.0 kJ/mol. What mass of copper releases 112.4 kJ of heat as it freezes?Use .
Answer
A
9.42 gB
6.75 gC
549 gD
1590 gQuestion 7 • CR SS Chemistry S2 2018/19 2026