7. Gases

Chemistry Gas Laws: Combined Gas Law

7. Gases

# Chemistry Gas Laws: Combined Gas Law - Video Tutorials & Practice Problems

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**The Combined Gas Law **is created from “combining” *Boyle’s Law*, *Charles’ Law*, and *Gay–Lussac’s Law*.

Combined Gas Law

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concept

## Chemistry Gas Laws: Combined Gas Law

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example

## Chemistry Gas Laws: Combined Gas Law Example 1

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Problem

ProblemA 4.30 L gas has a pressure of 7.0 atm when the temperature is 60.0 ºC. What will be the temperature of the gas mixture if the volume and pressure are decreased to 2.45 L and 403.0 kPa respectively?

A

110 K

B

181 K

C

206 K

D

310 K

E

381 K

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Problem

ProblemA sealed container with a movable piston contains a gas with a pressure of 1380 torr, a volume of 820 mL and a temperature of 31°C. What would the volume be if the new pressure is now 2.83 atm, while the temperature decreased to 25°C?

A

0.0253 L

B

0.167 L

C

0.326 L

D

0.516 L

E

1.46 L

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PRACTICE PROBLEMS AND ACTIVITIES (13)

- Assume that you have a gas cylinder with a movable piston filled with oxygen. The initial conditions are T = 2...
- You have a gas at 25 C confined to a cylinder with a movable piston. Which of the following actions would doub...
- Assume that you have a sample of gas in a cylinder with a movable piston, as shown in the following drawing: ...
- An automobile tire has a maximum rating of 38.0 psi (gauge pressure). The tire is inflated (while cold) to a v...
- Chlorine is widely used to purify municipal water supplies and to treat swimming pool waters. Suppose that the...
- Many gases are shipped in high-pressure containers. Consider a steel tank whose volume is 210.0 L that contain...
- A weather balloon is inflated to a volume of 28.5 L at a pressure of 748 mmHg and a temperature of 28.0 °C. Th...
- Assume that you have a cylinder with a movable piston. What would happen to the gas pressure inside the cylind...
- Assume that you have a cylinder with a movable piston. What would happen to the gas volume of the cylinder if ...
- This picture represents a sample of gas at a pressure of 1 atm, a volume of 1 L, and a temperature of 25 °C. D...
- A quantity of N2 gas originally held at 531.96 kPa pressure in a 1.00-L container at 26 °C is transferred to a...
- A sample of gas initially has a volume of 859 ml at 565 k and 2.20 atm. What pressure will the sample have if ...
- What is the temperature of an 11.2-L sample of carbon monoxide, CO, at 744 torr if it occupies 13.3 L at 55°C ...