Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Thermochemistry Terms and Diagrams

Total questions: 46

Worksheet time: 23mins

Name
Class
Date
1.

What is the study of heat changes that occur during chemical reactions or changes of state?

a)

Thermochemistry

b)

Enthalpy

c)

Heatchemistry

d)

Entropy

2.

The capacity to do work

a)

Energy

b)

Kinetic Energy

c)

Heat

d)

Potential energy

3.

Energy in motion

a)

Heat

b)

Potential Energy

c)

Kinetic Energy

d)

Enthalpy

4.

Stored energy; in molecules, this is located in the bonds.

a)

Heat

b)

Kinetic Energy

c)

Potential energy

d)

Enthalpy

5.

Energy is neither created nor destroyed in chemical or physical processes

a)

Law of conservation of mass

b)

Law of conservation of energy

c)

Enthalpy

d)

Specific heat capacity

6.

The total amount of energy transferred from areas of high temperature to areas of low temperature

a)

Heat

b)

Calorimeter

c)

Temperature

d)

Specific heat capacity

7.

Measures heat

a)

Thermometer

b)

Calorimeter

c)

Temperature

d)

Calories

8.

A measure of the average kinetic energy of particles

a)

Heat

b)

Calorimeter

c)

Thermometer

d)

Temperature

9.

Measures temperature

a)

Thermometer

b)

Calorimeter

c)

Heat

d)

Calories

10.

Which of the following units is used for food

a)

Calories

b)

calories

c)

kilojoules

d)

joules

11.

Type of reaction when energy is released.

a)

Exothermic

b)

Endothermic

c)

Thermic

d)

Enthalpy

12.

Type of reaction when energy is absorbed.

a)

Exothermic

b)

Endothermic

c)

Thermic

d)

Enthalpy

13.

Positive H means the reaction is _.

a)

Exothermic

b)

Endothermic

c)

Enthalpy

d)

At constant pressure

14.

Negative H means the reaction is _.

a)

Exothermic

b)

Endothermic

c)

Enthalpy

d)

At constant pressure

15.

the amount of energy needed to raise the temperature of 1 gram of a substance by 1 C ( * = degree)

a)

Enthalpy

b)

Heat

c)

Temperature

d)

Specific Heat Capacity

16.

What type of elements will heat of the quickest due to low heat capacities?

a)

Nonmetals

b)

Metals

c)

Water

d)

Compounds

17.

Solid --> Liquid

a)

Melting

b)

Freezing

c)

Sublimation

d)

Deposition

18.

Liquid --> Solid

a)

Melting

b)

Freezing

c)

Condensation

d)

Evaporation

19.

Gas --> Liquid

a)

Deposition

b)

Sublimation

c)

Condensation

d)

Evaporation

20.

Gas --> Solid

a)

Deposition

b)

Sublimation

c)

Melting

d)

Freezing

21.

Solid --> Gas

a)

Deposition

b)

Sublimation

c)

Melting

d)

Freezing

22.

Liquid --> Gas

a)

Deposition

b)

Sublimation

c)

Condensation

d)

Evaporation

23.

During a phase change, What remains constant?

a)

Heat

b)

Enthalpy

c)

Temperature

d)

Intermolecular forces

24.

What breaks during a phase change?

a)

Temperature

b)

Heat

c)

Intermolecular Forces

d)

Potential energy

25.

Which of the following would be used when calculating heat when a solid changes into a liquid or liquid into a solid?

a)

Heat of Fusion

b)

Heat of Vaporization

c)

Specific Heat Capacity

d)

Enthalpy

26.

Which of the following would be used when calculating heat when a gas changes into a liquid or liquid into a gas?

a)

Heat of Fusion

b)

Heat of Vaporization

c)

Specific Heat Capacity

d)

Enthalpy

27.

What is the measure of disorder of a system?

a)

Heat

b)

Energy

c)

Enthalpy

d)

Entropy

28.

Which state has the highest entropy?

a)

Solid

b)

Liquid

c)

Gas

29.

Which of the following would have the least amount of entropy?

a)

Ice at 0C

b)

Water at 0C

c)

Water at 100C

d)

Gas at 100C

30.

Which phase is present in B?

a)

Solid

b)

Liquid

c)

Gas

31.

Which point is the critical point?

a)

1

b)

2

c)

3

d)

4

32.

Which point is the triple point?

a)

1

b)

2

c)

3

d)

4

33.

What is occuring at B?

a)

Melting/Freezing

b)

Condensing/Evaporating

c)

Sublimation/Deposition

d)

Temperature Change

34.

At what point is this substance melting?

a)

A->B

b)

B->C

c)

C->D

d)

D->E

35.

At what point is the liquid temperature increasing?

a)

A->B

b)

B->C

c)

C->D

d)

D->E

36.

What type of graph is present?

a)

Exothermic

b)

Endothermic

c)

Phase Diagram

d)

Heating Curve

37.

At what temperature is the critical point?

a)

195.3 K

b)

195.4 K

c)

239.8 K

d)

405.5 K

38.

At what pressure is the triple point?

a)

0.059 atm

b)

195.3 atm

c)

1.00 atm

d)

111.5 atm

e)

405.5 atm

39.

What temperature would this substance condense?

a)

-5 C

b)

5 C

c)

15 C

d)

25 C

40.

How many phase and temperature changes occur when ice at -10C is heated to 90C?

a)

1

b)

2

c)

3

d)

4

41.

Which of the following represents an exothermic potential energy diagram?

a)

b)

c)

d)

42.

Which letter represents the activation complex?

a)

A

b)

B

c)

C

d)

D

e)

E

43.

Which letter represents the products?

a)

A

b)

B

c)

C

d)

D

e)

E

44.

Which number represents the enthalpy?

a)

1

b)

2

c)

3

d)

4

45.

Which number represents the activation energy of this reaction?

a)

1

b)

2

c)

3

d)

4

46.

What is the value of enthalpy for this reaction?

a)

+60 kJ

b)

-80 kJ

c)

+40 kJ

d)

-20 kJ

e)

+20 kJ

Similar Resources on Wayground

Unit 1 CHEMISTRY

50 questions

Unit 1 CHEMISTRY

quiz

Worksheet

•

9th Grade - University

Unit 2 Review: Chemistry

50 questions

Unit 2 Review: Chemistry

quiz

Worksheet

•

9th - 10th Grade

Atomic Structure & Nuclear Chemistry Review

42 questions

Atomic Structure & Nuclear Chemistry Review

quiz

Worksheet

•

10th - 12th Grade

Lotura kimikoa 3DBH

51 questions

Lotura kimikoa 3DBH

quiz

Worksheet

•

9th Grade

Practice: Trends & Lewis Structures

45 questions

Practice: Trends & Lewis Structures

quiz

Worksheet

•

11th Grade

BÀI 9 - AXIT NITRIC - MUỐI NITRAT

50 questions

BÀI 9 - AXIT NITRIC - MUỐI NITRAT

quiz

Worksheet

•

11th Grade

HÓA 11 - ÔN TẬP KIỂM TRA CUỐI KỲ II

50 questions

HÓA 11 - ÔN TẬP KIỂM TRA CUỐI KỲ II

quiz

Worksheet

•

9th - 12th Grade

Matter: States, Changes, Properties, Classification and Separa.

50 questions

Matter: States, Changes, Properties, Classification and Separa.

quiz

Worksheet

•

10th - 12th Grade