Calculating Charles Law

Charles's Law states that the Volume (V) of a gas is directly proportional to the temperature (T) provided the pressure (p) is kept

The following are real-life application of Charles Law except

• Turkey-timer

• Tyre

• Baking

• Running

A 600 mL sample of nitrogen is heated from 27 °C to 77 °C at constant pressure. What is the final volume?

• 800 ml

• 700 ml

• 600 ml

• 500 ml

The initial and final temperature of neon is 289 K and 323 K. Find the initial volume if the final volume is 2.3 L?

• 2.0 L

• 2.1 L

• 2.4 L

• 2.5 L

Find the initial volume of a gas at 150 K, if the final volume is 6 L at 100 K

• 7 L

• 8 L

• 9 L

• 10 L

A gas occupies a volume of 400cm3 at 0°C and 780 mm Hg. What volume (in litres) will it occupy at 80°C and 780 mm Hg?

• 0.663L

• 0.517L

• 1.05L

• 1.301L

When the temperature of a gas decreases (with pressure and amount held constant), does the volume increase or decrease?

• Unaltered

• Remains constant

• Increase

• Decrease

If the Kelvin temperature of a gas is doubled, the volume of the gas will increase by ____.

• A factor of 2

• A factor of 1

• A factor of 3

• A factor of 0.5

Charles' Law deals with what quantities?

• pressure/temperature

• pressure/volume

• volume/temperature

• volume/temperature/pressure

In a closed container, ideal gases initially have a volume of 2 liters and temperature of 27^oC. If the final volume of gases becomes 3 liters then the final temperature is…

• 430K

• 450K

• 217K

• 500K