Question

Which statement about the following reaction is correct?

CaO (s) + H2O (l) Ca(OH) 2 (s) H = -65.2 kJ

Answers:

1--- 65.2 kJ of heat is absorbed for every one of CaO that reacts.

2---130 kJ of heat is released for every mole of H2O that reacts.

3---32.6 kJ of heat is released for every 0.5 mole of CaO that reacts.

4---16.3 kJ of heat is absorbed for every 0.5 moles of H2O that reacts.

Answer 1

@abb0t

Answer 2

@aaronq