All quizzes

Guest practice

Chem – Chapter 8: Energetics

Questions
30
Answered
0
Limit
Open
Guest mode: this attempt shows an instant score but is not saved. Sign up or log in before playing to store results.
Quiz progress 0% complete
1

Which graph shows activation energy?

2

Which energy change is shown by ΔH < 0?

3

Photosynthesis is an example of:

4

Which factor does not affect activation energy?

5

Which reaction is used in hand warmers?

6

Activation energy is highest at:

7

Which energy change is shown by ΔH > 0?

8

Which process requires activation energy?

9

Heat of reaction depends on:

10

Which reaction is safer due to lower activation energy?

11

Which type of reaction releases heat?

12

Which reaction has products with lower energy than reactants?

13

What does ΔH represent?

14

Energy absorbed during bond breaking is:

15

Calorimeter is used to measure:

16

Heat is measured in which unit?

17

Which reaction absorbs heat from surroundings?

18

Energy released during bond formation is:

19

What is the heat of reaction?

20

Burning of fuel is an example of:

21

Which law explains constant heat change?

22

The energy profile of an endothermic reaction shows:

23

Which statement is true for exothermic reactions?

24

Heat change measured at constant pressure is:

25

In an exothermic reaction, ΔH is:

26

Which reaction has higher activation energy?

27

Which type of reaction absorbs heat?

28

What happens to surroundings in an endothermic reaction?

29

Which process releases energy?

30

The heat content of a system is called:

Exit quiz