C7. Energy changes Flashcards
(8 cards)
1
Q
What type of bond is energy stored in
A
chemical
2
Q
(True or false) Different chemical bonds hold different amounts of energy
A
True
3
Q
If the reactant molecules in a reaction have more energy in their chemical bonds than the product molecules, will energy be absorbed or released overall?
A
Released
4
Q
What is an exothermic reaction?
A
A reaction that releases thermal energy to the surroundings
5
Q
If an exothermic reaction occurs in a closed container, what would happen to the temperature inside the container?
A
The temperature would increase
6
Q
What is an endothermic energy?
A
A reaction that takes in thermal energy from the surroundings
7
Q
If an endothermic reaction occurs in a closed container, what would happen to the temperature inside the container?
A
Temperature would decrease
8
Q
A
