C2 Exothermic and Endothermic Flashcards Preview

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Flashcards in C2 Exothermic and Endothermic Deck (8)
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1

What is an exothermic reaction?

Reaction that gives out heat energy

( products have less stored energy than reactants )

2

What happens to the temperature in an exothermic reaction?

Temperature increases

(feels warm)

3

Give an example of an exothermic reaction?

Combustion ( burning)

Acids with alkalis

Magnesium with acid

Respiration

4

What is an endothermic reaction?

Reactions that takes in  heat energy (from the surroundings)

( products have more stored energy than reactants )

5

What happens to the temperature in an endothermic reaction?

Temperature decreases (feels cold)

6

Give an example of an endothermic reaction?

Potassium chloride with water

Citric acid and sodium hydrogen carbonate ( sherbet )

photo synthesis

cooking

electrolysis

polymerization

7

What is a reversible reaction?

Reaction can go in both directions

Both the forward and reverse reactions can take place

8

What is the reversible reaction symbol?