Exothermic and endothermic reactions Flashcards
1
Q
Exothermic definition
A
heat out, energy is transferred to the surroundings, temperature of the surroundings increases
2
Q
Endothermic definition
A
heat in, energy is taken out from the surroundings, temperature of surroundings decreases
3
Q
Example of exothermic reactions
A
combustion and neutralisation
4
Q
Example of endothermic reactions
A
thermal combustions and photosynthesis
5
Q
Activation energy definition
A
the minimum amount of energy required to start a reaction
6
Q
Is more or less activation energy required for an exothermic reaction
A
less
7
Q
Exothermic reaction profile
A
reactants on top, products on bottom
8
Q
Endothermi ctreaction profile
A
reactants on bottom, products on top
