Free Printable College Chemistry Unit 7 Lesson 3 Practice

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College Chemistry Unit 7 Lesson 3 Practice

Total questions: 20

Worksheet time: 20mins

Name

Class

Date

Match each gas law with the two variables that they cover.

Boyle's Law

Pressure and Volume

Amonton's Law

Pressure and Temperature

Charles's Law

Temperature and Volume

Avogadro's Law

Moles and Volume

If 200 mL of a gas at 27°C is cooled to -33°C at a constant pressure, the volume will be

250 mL

204 mL

196 mL

160 mL

Which of the following is NOT a value for standard pressure?

101.3 kPa

760 mm Hg

1 atm

1 torr

What is the formula for Boyle's Law?

P₁V₁=P₂V₂

P₁V₁/P₂V₂

P₁V₂=P₂V₁

P₁/V₁=P₂/V₂

What is the new volume of the gas if the pressure on 350 L of oxygen at 720 mm Hg is decreased to 600 mm Hg? ROUND TO NEAREST WHOLE NUMBER. DO NOT INCLUDE UNITS.

(a)

A gas occupies 4.98 L at 2.6 atm of pressure. What volume does it occupy at 1.8 atm pressure?

12.9 L

0.72 L

7.2 L

3.44 L

Neon occupies a volume of 2.80 L at -35°C. What volume will it occupy at 43°C?

3.44 L

4.1 L

2.65 L

3.7 L

A sample of gas measures 4.22 L at 120°C at 900 mmHg. What volume would it occupy at STP?

2.48 L

3.47 L

5.13 L

7.19 L

A 135 mL sample of argon had its pressure changed from 75.0 kPa to 121 kPa. What is its new volume?

83.7 mL

98.3 mL

76.4 mL

5 mL

10.

What is the correct relationship for pressure and volume in Boyle's Law?

v1p1 = v2p2

v1/p1 = v2/p2

v1/p2 = v2/v1

v2/p1 = v1/p2

11.

What is the correct relationship between pressure and temperature for Amonton's Law?

p1t1 = p2t2

p1/t1 = p2/t2

p1/t2 = p2/t1

p2/t1 = p1/t2

12.

Gas Constant R = _?

760

101.3

0.0821

1.00

13.

Calculate the volume that a 0.323-mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm.

7.18 L

7.81 L

4.63 L

4.36 L

14.

Determine the Kelvin temperature required for 0.0470 mol of gas to fill a balloon to 1.20 L under .998 atm pressure.

0 K

107 K

207 K

307 K

15.

What pressure, in atm, is exerted by 2.50 L of gas containing 1.35 mol at 320 K?
PV=nRT

14.19 atm

16.53 atm

18.42 atm

22.54 atm

16.

How many moles of propane gas are in a 7.0 L tank at 20°C and 5.45atm of pressure?

0.629 mol

1.59 mol

23.2 mol

917 mol

17.

Convert

100^oC

to Kelvin

$373\ K$

$273\ K$

$212\ K$

$0\ K$

18.

If a gas at 25.0 °C occupies 3.60 liters at a pressure of 1.00 atm, what will be its volume at a pressure of 2.50 atm? The number of moles are held constant.

ROUND TO THE NEAREST TENTH. DO NOT INCLUDE UNITS.

(a)

19.

A sample of gas was collected in a 2.5 L bulb at 295K and 99kPa. What volume would the gas occupy at 273 K and 101 kPa? The number of moles are held constant.

ROUND TO THE NEAREST TENTH. DO NOT INCLUDE UNITS

(a)

20.

What is the pressure in atmospheres exerted by 5.00 moles of nitrogen gas contained in a 30.0 Liter container at 25.0 °C?

ROUND TO THE NEAREST TENTH. DO NOT INCLUDE UNITS.

(a)

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College Chemistry Unit 7 Lesson 3 Practice

Total questions: 20

Worksheet time: 20mins

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