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Gas Law Practice Quiz

Total questions: 20

Worksheet time: 1hrs 6mins

Name
Class
Date
1.
How do you convert between Celsius and Kelvin?
a)
add 273
b)
add 260
c)
add 293
d)
change the C to a K
2.

Convert 47ºC to Kelvin (K).

a)

-226

b)

47

c)

320

d)

12,831

3.

Convert 375 K to Celsius (°C).

a)

1.37

b)

102

c)

375

d)

546

4.
Charles's law shows the relationship between which two factors of a gas ?
a)
volume and temperature 
b)
volume and pressure 
c)
pressure and volume
d)
volume and mass
5.

Torr, mm Hg, and atm all are units for....?

a)

Temperature

b)

Volume

c)

Pressure

d)

Moles

6.

Pick the correct formula for Boyle's Law

a)

b)

c)

d)

7.

What does STP (standard temperature and pressure) stand for?

a)

0.0 degree Celcius and 1 atm

b)

1.0 mmHg and 273 degree Kelvin

c)

1.0 degree Celcius and 0 atm

d)

1.0 atm 273 degree Celcius

8.

How many mm Hg is a pressure of 1.05 atm?

a)

529 mm Hg

b)

798 mm Hg

c)

104.8 mm Hg

d)

760 mm Hg

9.

If a gas is at 0.95 atm, how many kPa is this?

a)

0.35 kPa

b)

1.07 kPa

c)

96 kPa

d)

400,025 kPa

10.
Boyle's law :  The pressure and volume of a gas show a _____ relationship. 
a)
Inverse 
b)
Direct 
11.

Gas Laws involve what three factors?

a)

Solid, Liquid, and Gas

b)

Speed, Velocity, and Acceleration

c)

Elements, Compounds, and Mixtures

d)

Pressure, Temperature, and Volume

12.
Which law helps us find the moles of gas in a sample?
a)
Charles Law
b)
Boyle's Law
c)
Combined Gas Law
d)
Ideal Gas Law
13.

How many moles of helium are contained in a 5.00L canister at 101kPa and 30.0oC?

a)

2.02 moles

b)

0.201 moles

c)

0.494 moles

d)

4.99 moles

14.

What is the correct equation for the Ideal Gas Law?

a)

V1 x P2 = V2 x P2

b)

P*V= n*R*T

c)

V1/ T1 = V2/T2

d)

(V1 x P2)/ T1 = (V2 x P2)/T2

15.
A gas at a volume of 4 liters is at a pressure of 2 atm. The volume is changed to 16 Liters, what must the new pressure be?
a)
2 atm
b)
12 atm
c)
10 atm
d)
0.5 atm
16.
A 2.00 L sample of pure oxygen gas (O2) is measured at STP.  How many moles of oxygen is this?
a)
24.4 mol
b)
0.007 mol
c)
1.44 mol
d)
0.09 mol
17.
A gas occupies 4.98 L at 2.6 atm of pressure. What volume does it occupy at 1.8 atm pressure?
a)
12.9 L
b)
0.72 L
c)
7.2 L
d)
3.44 L
18.

What is standard temperature and pressure (STP)?

a)

1.00 atm at 273 K

b)

1.00 atm at 0 K

c)

1.00 atm at 1 C

d)

1.00 atm at 1 K

19.

Find the total pressure of a mixture of gases if the partial pressures of each gas are 2.0 atm, 3.5 atm, and 2.7 atm.

a)

8.2 atm

b)

8.20 atm

c)

13 atm

20.
4L of a gas is contained at 300 kPa and 200K. What will its volume be in L at 140 kPa and 100K?
a)
4.3L
b)
4.8L
c)
6.2L
d)
8.5L

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