C7 - Energy Changes Flashcards
(4 cards)
What is activation energy?
The minimum amount of energy required for a reaction to take place
What is bond energy?
The energy required to break a specific chemical bond
What is an endothermic reaction?
A reaction that takes energy into the system from the surroundings
What is an exothermic reaction?
A reaction which releases energy from the system to the surroundings