wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Gases at STP

Total questions: 24

Worksheet time: 2hrs 38mins

Name
Class
Date
1.

According to ___________, if you decrease the volume of a container of gas and hold the temperature constant, the pressure of the gas will increase.

a)

Bernoulli's principle

b)

Boyle's Law

c)

Charles's Law

d)

Archimedes' principle

2.

At STP (Standard Temperature 273 K and Pressure 101.3 kPa), a gas has a volume of 3.0 L. What is the new volume if the pressure increases to 303.9 kPa?

a)

9 L

b)

1 L

c)

9 kPa

d)

1 kPa

3.

A gas has a volume of 22.4 L at STP. What is the new volume if the pressure is increased to 202.6 kPa and the temperature is decreased to 250 K?

a)

10.3 L

b)

24.5 L

c)

48.9 L

d)

20.6 L

4.
At a constant pressure, the volume decreases.  What happens to the temperature?
a)
increases
b)
decreases
c)
stays the same
5.

A sample of pure oxygen gas has a volume of 2.00 L at a pressure of 101.3 kPa. What is the new pressure is the volume is decreased to 0.5 L?

a)

203 kPa

b)

101 kPa

c)

25 kPa

d)

405 kPa

6.

What are the values for STP?

a)

0 K and 1 atmosphere

b)

0ºC and 1 atmosphere

c)

32ºF and 1 atmosphere

d)

100ºC and 1 atmosphere

7.

What is zero degrees Celsius converted to Kelvin?

a)

100

b)

273

c)

373

d)

212

8.

A 7.00 L sample of argon gas at 420 K exerts a pressure of 625 kPa. If the gas is compressed to 1.25 L and the temperature is lowered to 350 K, what will be its new pressure in kPa?

a)

0.000238 kPa

b)

2916 kPa

c)

4200 kPa

d)

93.0 kPa

9.

Which of the following explains the change in pressure when volume increases?

a)

As the volume increases, the particles slow down, causing less collisions and less pressure.

b)

As the volume increases, the particles speed up, causing more collisions and more pressure.

c)

As the volume increases, the particles have more space to move and collide less with the walls , causing pressure to decrease.

d)

As the volume increases, the particles have more space to move and collide less with the walls , causing pressure to increase.

10.

The volume of a gas is increased from 150.0 mL to 350.0 mL when heated. If the original temperature of the gas was 25oC, what is the final temperature?

a)

58 K

b)

176 K

c)

128 K

d)

695 K

11.

What is an instrument used to measure atmospheric pressure?

a)

barometer

b)

thermometer

c)

calorimeter

d)

Kelvin

12.

At STP (Standard Temperature and Pressure), a gas has a volume of 3.0 L. What is the new volume if the pressure increases to 303.9 kPa?

a)

9.0 L

b)

1.0 L

c)

9.0 kPa

d)

1.0 kPa

13.

A sample of Argon gas occupies a volume of 1.8 L at 2.8 atm. What will its volume be at 1.2 atm?

a)

.77 L

b)

1.87 L

c)

3.0 L

d)

4.2 L

14.

What volume does one mole of a gas occupy at STP?

a)

22.4 Liters

b)

22.4 gallons

c)

2.4 Liters

d)

24 Liters

15.

Initially a gas at pressure of 12 atm, a volume of 23 Liters and a temperature of 200K. If the pressure is increased to 14 atm, and increase the temperature to 300K. What is the new volume of the gas?

a)

29.6L

b)

45 L

c)

150L

16.
In order to convert to Kelvin, you add ______ to the Celsius measurement.
a)
372
b)
273
c)
237
d)
732
17.
What is 50 C in Kelvin?
a)
223
b)
323
c)
100
d)
50
18.
100 degrees Celsius is equal to _______ Kelvin. 
a)
0 K
b)
273 K
c)
173 K
d)
373 K
19.
Boyle's law :  The pressure and volume of a gas show a _____ relationship. 
a)
Inverse 
b)
Direct 
20.
You have a gas that has a pressure of 2 ATM and a volume of 10L.  What would be the new volume if the pressure was changed to 1 ATM?
a)
5 L
b)
20 L
c)
It would stay at 10L
d)
1 L
21.
A sample of gas with a volume of 30.0 mL at 25.0oC is heated to 50.0oC.  What is the new volume of the gas?
a)
60.0 mL
b)
15.0 mL
c)
27.5 mL
d)
32.5 mL
22.
A sample of oxygen gas has a volume of 150.0 mL when its pressure is .947 atm. What will the volume of the gas be if it is lowered to a pressure of 0.658 atm and the temperature remains constant?
a)
72 mL
b)
144 mL
c)
216 mL
d)
288 mL
23.
Determine the initial temperature of a random gas when the initial volume is 2.2 L and it is cooled to 88K with a volume of 0.85 L. 
a)
0.029 K
b)
0.021 K
c)
227.76 K
d)
34 K
24.
A gas of volume V is place in a balloon. The pressure is reduced to 1/5 of the original pressure. The volume will be _____ what it was originally.  
a)
the same as 
b)
1/5
c)
9 times
d)
5 times