Exo/endothermic

Question 1

What happens in a combustion reaction?

Answer 1

fuel is burned and reacts with oxygen to release energy.

Question 2

What is an exothermic reaction?

Answer 2

chemical reactions
which release energy from the chemicals into the surroundings.

Question 3

What is an example of exothermic?

Answer 3

Handwarmers

Question 4

Is respiration an exothermic or an endothermic reaction?

Answer 4

Exothermic reaction

Question 5

What is an endothermic reaction?

Answer 5

Endothermic reactions absorb energy form the surroundings.

Question 6

What reaction is photosynthesis?

Answer 6

Endothermic reaction

Question 7

What is thermal decomposition?

Answer 7

a chemical reaction where a substance breaks down into simpler substances when heated.

Question 8

When do exo/endothermic reactions occur?

Answer 8

The reactions happen at room temperature

Question 9

Why would it be a good idea to put an insulating lid onto the polystyrene cup when doing this experiment?

Answer 9

It would prevent heat from escaping out of the cup during an exothermic reaction and it would prevent heat from entering the cup in an endothermic reaction.

Question 10

Quiz score:

Answer 10

1. 5/8
2. 6/8
   3.10/10