Register
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
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

User Joseph Redfern
by
8.1k points

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
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

Compare and contrast an electric generator and a battery??
How do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
Can someone complete the chemical reactions, or write which one do not occur, and provide tehir types? *c2h4+h2o *c3h8 + hcl *c2h2+br2 *c4h10+br2 *c3h6+br2
As an object’s temperature increases, the ____________________ at which it radiates energy increases.
Why is gold preferred as a superior metal over silver and bronze?
Link Copied!