7. Gases

The Ideal Gas Law Derivations

7. Gases

# The Ideal Gas Law Derivations - Video Tutorials & Practice Problems

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The** Ideal Gas Law Derivations** are a convenient way to solve gas calculations involving 2 sets of the same variables.

Ideal Gas Law Derivations

1

concept

## The Ideal Gas Law Derivations

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2

example

## The Ideal Gas Law Derivations Example 1

Video duration:

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3

Problem

ProblemA sample of nitrogen dioxide gas at 130 ºC and 315 torr occupies a volume of 500 mL. What will the gas pressure be if the volume is reduced to 320 mL at 130 ºC?

A

0.65 atm

B

0.83 atm

C

0.92 atm

D

1.6 atm

E

2.7 atm

4

Problem

ProblemA cylinder with a movable piston contains 0.615 moles of gas and has a volume of 295 mL. What will its volume be if 0.103 moles of gas escaped?

A

0.176 L

B

0.217 L

C

0.246 L

D

0.361 L

E

1.28 L

5

Problem

ProblemOn most spray cans it is advised to never expose them to fire. A spray can is used until all that remains is the propellant gas, which has a pressure of 1350 torr at 25 ºC. If the can is then thrown into a fire at 455 ºC, what will be the pressure (in torr) in the can?

a) 750 torr

b) 1800 torr

c) 2190 torr

d) 2850 torr

e) 3300 torr

A

750 torr

B

1800 torr

C

2190 torr

D

2850 torr

E

3300 torr

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PRACTICE PROBLEMS AND ACTIVITIES (30)

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