Exothermic And Endothermic Reactions Flashcards
1
Q
Exothermic reactions …
A
Transfer energy to the surroundings.
2
Q
Endothermic reactions …
A
Take in energy from the surroundings.
3
Q
What is a reversible reaction?
A
When the products can react to remake the original reactants.
4
Q
Exoteric reactions cause the temperature of the surrounding to?
A
Increase
5
Q
What are examples of exoteric reactions?
A
- combustion
- many oxidation reactions such as rusting
- neutralisation reactions between acids and alkalis
6
Q
How can exit hermit reactions be used for everyday purposes?
A
Hand warmers and self heating cans.
7
Q
Endothermic r actions cause the temperature of the surroundings to?
A
Decrease
8
Q
What are examples of an endothermic
A
- electrolysis
- thermal decomposition of calcium carbonate in a blast furnace
9
Q
How are endothermic reactions used for everyday purposes?
A
Sports injury cold packs