wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Unit 4 Review

Total questions: 35

Worksheet time: 41mins

Name
Class
Date
1.

Are the particles moving faster or slower as time goes on? (Diagram F)

a)

Faster

b)

Slower

2.
Water exists as a _____________ at 700 mmHg and 50 °C.
a)
solid
b)
liquid
c)
gas
d)
supercritical fluid
3.

What change occurs from E to C?

a)

sublimation

b)

freezing

c)

melting

d)

boiling

4.
What is the change of the heat of the reaction (ΔH)?
a)
40 kJ
b)
20 kJ
c)
100 kJ
d)
60 kJ
5.
Calculate the volume that a 0.323-mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm.
a)
7.18 L 
b)
7.81 L
c)
4.63 L
d)
4.36 L
6.

What line segment represents only the solid state? (Diagram F)

a)

A-B

b)

B-C

c)

C-D

d)

D-E

7.
What is the PE of the products?
a)
30 kJ
b)
10 kJ
c)
40 kJ
d)
20 kJ
8.

What will occur when the substance transitions from B to A? (Diagram A)

a)

condensation

b)

evaporation

c)

melting

d)

freezing

9.
The ideal gas law is an equation that relates the  what  variables to a constant of R.
a)
volume, pressure, temperature
b)
volume, temperature, pressure, amount of gas particles
c)
volume, pressure
d)
volume, temperatue
10.
Is the reaction endothermic or exothermic?
a)
Endothermic
b)
Exothermic
c)
Caroussothermic
d)
Nonthermic
11.

A student measures the pressure and volume of an empty water bottle to be 1.4 atm and 2.3 L. She then decreases the pressure to 0.65 atm. What is the new volume?

a)

2.1 L

b)

5.0 L

c)

8.2 L

d)

3.9 L

12.
What is the PE of the reactants?
a)
30 kJ
b)
10 kJ
c)
40 kJ
d)
20 kJ
13.

Collisions in which particles transfer all their kinetic energy to other particles are called ___.

a)

elastic

b)

inelastic

14.

The more energy that particles have, the ___ they move.

a)

slower

b)

faster

15.

What is the pressure of a car tire that had an initial pressure of 1.8 atm but was heated from 38°C to 123°C?

a)

0.9 atm

b)

2.1 atm

c)

1.6 atm

d)

3.4 atm

16.

A hypothetical gas that perfectly fits all the assumptions of the kinetic molecular theory is known as

a)

real gas

b)

ideal gas

c)

imaginary gas

d)

perfect gas

17.

Which one of these is NOT an Ideal Gas Assumption?

a)

Gas particles are hard, round spheres.

b)

Gas particles are strongly attracted to one another.

c)

Gas particles do not take up space.

d)

Gas particles collide perfectly elastically.

18.
What is the activation energy?
a)
40 kJ
b)
20 kJ
c)
100 kJ
d)
60 kJ
19.

If I have 5.6 liters of gas in a piston at a pressure of 1.5 atm and compress the gas until its volume is 4.8 L, what will the new pressure inside the piston be?

a)

1.8 atm

b)

3.27 atm

c)

1.8 L

d)

3.27 atm

20.

Between which points is the temperature of the substance remaining constant? (Diagram F)

a)

A-B only.

b)

A-B, C-D, E-F

c)

B-C only.

d)

B-C, D-E

21.

Which line segment demonstrates vaporization occurring? (Diagram E)

a)

B-C

b)

C-D

c)

D-E

d)

E-F

22.
Determine the Kelvin temperature required for 0.0470 mol of gas to fill a balloon to 1.20 L under .998 atm pressure. 
a)
0 K 
b)
107 K 
c)
207 K 
d)
307 K 
23.
Gas pressure is caused by
a)
gas molecules colliding with surfaces
b)
gas molecules condensing to a liquid
c)
gas molecules hitting other gas molecule
d)
barometers
24.

What does R stand for

a)

Ideal gas constant

b)

Real gas constant

c)

Temperature constant

d)

Ideal gas law

25.
If 3.25 mol of Ar occupies 100. L at a particular temp and pressure, what volume does 14.15 mol of Ar occupy under same condition?
a)
435 L
b)
225 L
c)
100 L
d)
522 L
26.

A scientist needs to store 28.0 moles of xenon gas at STP in the lab. What size gas tank will he need?

a)

628 L

b)

473 L

c)

219 L

d)

376 L

27.
Three gases, Ar, N2 and H2 are mixed in a 500L container. Ar has a pressure of 255 torr, N2 has a pressure of 228torr and H2 has pressure of 752torr. What is the total pressure in the container?
a)
483torr
b)
270torr
c)
1235torr
28.

A container holds a mixture of two different gases. The oxygen in a container exerts 80 mmHg of pressure on the inside of the container. The total pressure inside the container is 120 mmHg. What is the pressure of the other gas in the container?

a)

200 mmHg

b)

80 mmHg

c)

40 mmHg

d)

120 mmHg

29.

A gas is at a pressure of 95 kPa. What is its pressure in atmospheres?

a)

1.5 atm

b)

1.09 atm

c)

0.94 atm

d)

0.82 atm

30.

At 17°C, a 0.80 mole sample of a gas exerts a pressure of 1.2 atm. What is the volume of the container?

a)

23 L

b)

2400 L

c)

0.063 L

d)

16 L

31.
In PV = nRT, n stands for
a)
Neon
b)
number of moles
c)
number of gases
d)
Absolute zero
32.
a)
Charles' Law
b)
Boyle's Law
c)
Combined Gas Law
d)
Idea Gas Law
33.
What happens to volume when temperature increases and pressure stays the same?
a)
No Change
b)
Increases
c)
Decreases
d)
Not enough information 
34.
Avogadro stated that equal volumes of gases under the same conditions of temperature and pressure have equal
a)
molar masses.
b)
moles. 
c)
grams.
d)
atoms. 
35.

An 18.0 L container holds 5.50 moles of oxygen gas at 45.0°C. What is the pressure in the container?

a)

7.97 atm

b)

11.0 atm

c)

23.2 atm

d)

1.45 atm

Similar Resources on Wayground

Struktur Atom

30 questions

Struktur Atom

quiz

Worksheet

•

11th Grade

Some basic concepts of chemistry

30 questions

Some basic concepts of chemistry

quiz

Worksheet

•

11th Grade

REAKSI REDOKS DAN ELEKTROKIMIA

30 questions

REAKSI REDOKS DAN ELEKTROKIMIA

quiz

Worksheet

•

12th Grade

Remidi untuk pemenuhan tugas kimia kelas XII

30 questions

Remidi untuk pemenuhan tugas kimia kelas XII

quiz

Worksheet

•

12th Grade

Prvky

30 questions

Prvky

quiz

Worksheet

•

9th Grade

Long Quiz

40 questions

Long Quiz

quiz

Worksheet

•

9th - 10th Grade

Chemistry revision - Water

40 questions

Chemistry revision - Water

quiz

Worksheet

•

7th - 10th Grade

Year 8 Revision Quiz

40 questions

Year 8 Revision Quiz

quiz

Worksheet

•

8th - 9th Grade