41.6k views
4 votes
What kind of thermochemical equation is represented below?

CaO(s) + H2O(l) —> Ca(OH)2(s) + 65.2 kj

A. Endothermic
B. Exothermic
C. Neutralization
D. Single replacement reaction

1 Answer

4 votes
The kind of thermochemical equation represented below

that is
CaO(s) + H2O (l) = Ca(OH)2 (s) +65.2 kj

is exothermic ( answer B)
This is because its heat energy has a + sign meaning that heat is released by the reaction above.
User Ranjithkumar MV
by
7.9k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.