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Quiz: Endothermic and Exothermic Rxns

Last updated over 7 years ago

20 questions

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Properties (descriptions) of endothermic and exothermic reactions.

Question 1

1.

Question 2

2.

Question 3

3.

For the following questions choose whether or not the desription goes with endothermic reactions (A) or exothermic reactions (B).

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

Question 15

15.

Question 16

16.

Question 17

17.

Question 18

18.

Question 19

19.

Question 20

20.

The energy needed to start reactions is called

Chemical reactions don't need energy to break apart bonds.

True

False

In a chemical reactions new bonds form to make the products.

True

False

Energy cannot be created nor destroyed.

True

False

More energy is released by products than is needed to break bonds.

A Endothermic

B Exothermic

Products have less energy than the reactants.

A Endothermic

B Exothermic

It literally means "taking in heat."

A Endothermic

B Exothermic

Energy is needed to keep the reaction going.

A Endothermic

B Exothermic

Reactions feel hot to us.

A Endothermic

B Exothermic

An example is baking soda and vinegar.

A Endothermic

B Exothermic

Reaction feels cold.

A Endothermic

B Exothermic

Wood burning is an example.

A Endothermic

B Exothermic

Products have more energy than the reactants.

A Endothermic

B Exothermic

Heat is absorbed.

A Endothermic

B Exothermic

Photosynthesis is an example.

A Endothermic

B Exothermic

Combustion reactions are examples.

A Endothermic

B Exothermic

This equation: Reactants→Products+Energy

A Endothermic

B Exothermic

Is the graph above respresentative of an endothermic or exothermic reaction?

A Endothermic

B Exothermic

From where does the energy for photosynthesis come?

lighting a match

the rain

the sun

During the photosynthesis reaction plants convert carbon dioxide and water to 

glucose and carbon monoxide

glucose and oxygen

oxygen and water

oxygen and energy