Chapter 10 - Energy Changes In Reactions Flashcards
0
Q
Define Endothermic.
A
The process in which the system absorbs energy from its surroundings in the form of heat.
1
Q
Define Exothermic Reaction.
A
An Exothermic Reaction is a chemical or physical reaction that releases heat. The energy needed for the reaction to occur is less than the energy released.
2
Q
Exothermic Reaction:
A
2H2(g) + O2(g) -> 2H2O(l) + 572KJ
3
Q
Endothermic Reaction:
A
2H2O + 572KJ -> 2H2(g) + O2(g)
4
Q
Chemical Reactions involves
A
Breaking and Forming Bonds