5
QuizMultiple Choice
Enthalpy of Reaction — Unit test
Question 5 • Foothill-B Period-Chemistry-26/27B
What is the Hsol for KF + ? The lattice energy is –784 kJ/mol, the enthalpy of hydration for is –336 kJ/mol, and the enthalpy of hydration for is –431 kJ/mol. Use Hsol = –Hlat + Hhydr.
Answer
A
–879 kJ/molB
–17 kJ/molC
17 kJ/molD
1,551 kJ/mol