1.4.1: Enthalpy Flashcards
1
Q
Enthalpy change
A
Change in energy when reactions happen
2
Q
Standard conditions for enthalpy notation
A
100kPa
298k
3
Q
Exothermic reactions
A
Transfer energy to the surroundings
4
Q
Exothermic reaction value for enthalpy change
A
negative
5
Q
Endothermic reactions
A
Take in energy from the surroundings
6
Q
Endothermic reaction value for enthalpy change
A
positive
7
Q
Example of exothermic reactions
2
A
respiration and combustion
8
Q
Example of endothermic reactions
2
A
thermal decomposition (of CaCO3) photosynethsis
