Grade 11 Chemistry definitions Chapter 6 Energy and chemical change Flashcards
0
Q
Exothermic reactions
A
Are reactions which transfer potential energy into thermal energy.
1
Q
Heat of reaction (∆H)
A
Is the net change of chemical potential energy of a system.
2
Q
Endothermic reactions
A
Are reactions which transfer thermal energy into potential energy.
3
Q
Activation energy
A
Is the minimum energy required to start a chemical reaction
4
Q
Activated complex
A
Is a temporary transition state between the reactants and products.
