Module 3 - chapter 9 key terms Flashcards
1
Q
Enthalpy, H
A
Is a measure of heat energy in a system
2
Q
Enthalpy change, △H
A
In a reaction, reactants and products are likely to have different enthalpies, the difference in enthalpies is the enthalpy change.
3
Q
Law of conservation of energy
A
Energy cannot be created or destroyed. When a reaction involving enthalpy change takes place, heat energy is transferred between the system and the surroundings.
