Chapter 7- Energy Changes Flashcards
(6 cards)
1
Q
What is an exothermic reaction?
A
Energy is transferred to the surroundings
2
Q
What is an endothermic reaction?
A
A reaction which energy is transferred to the reacting substances from the surroundings
3
Q
What is activation energy?
A
The lowest amount of energy needed for a reaction
4
Q
What bond is related with exothermic
A
Bond forming and energy is released
5
Q
What kind of bonds do endothermic reactions create
A
It breaks the bond
6
Q
What is a covalent bond
A
It is electrostatic attraction between atoms nuclei and the share of electrons
