Chapter 17 - Thermochemistry Flashcards
0
Q
Chemical potential energy
A
The energy stored in the chemical bonds of a substance.
1
Q
Thermochemistry
A
The study of energy changes that occur during chemical reactions and changes in state.
2
Q
Law of conservation of energy
A
In any chemical or physical process, energy in neither created nor destroyed.
3
Q
Endothermic process
A
Heat is absorbed from the surroundings.
4
Q
Exothermic process
A
One that releases heat to its surroundings.
5
Q
The SI unit of energy
A
Jules (j).
6
Q
Calorimetry
A
The measurement of the heat flow into or out of a system for chemical and physical processes.
7
Q
Enthalpy
A
The heat flow of the system at constant pressure.
8
Q
Thermochemical equation
A
A chemical equation that includes the enthalpy change.
