Exothermic and endothermic reactions Flashcards
1
Q
What is endothermic
A
Energy/heat is taken in from surroundings to chemicals
Cause by a fall in temperature
2
Q
What is exothermic
A
Energy/heat released into surroundings from chemical
Cause a rise in temperature
3
Q
Reversible reaction
A
Is exothermic in one direction then endothermic in other direction
4
Q
Catalysts
A
Speed up reactions and reduce the activation energy needed for reaction
