Energy And Reversable Reactions Flashcards
1
Q
What does exothermic mean?
A
A reaction where energy is given out to the surroundings.
2
Q
What happens during an exothermic reaction?
A
Chemical energy turns into thermal energy which results in a temperature increase
3
Q
What does endothermic mean?
A
A reaction where energy is taken from the surroundings.
4
Q
What happens during an endothermic reaction?
A
The thermal energy turns into chemical energy resulting in a temperature decrease or a constant need of heat
5
Q
What does conservation of energy mean?
A
Energy cant be created nor destroyed. It can only be transferred from one energy store to the other
6
Q
2 examples of every day uses of exothermic reactions
A
Self-heating cans , hand warmers
7
Q
An example of an everyday use of an endothermic reaction
A
Sport injury packs
