Boyle's & Charles

The relationship of which two variables are compared in Boyle's Law?

• pressure & volume
• volume & temperature
• temperature & pressure
• volume & moles (amount of gas)

Pressure and volume have a(n) _________ proportionality.

• direct
• inverse
• linear
• exponential

Michael Floyd is learning to calculate using the equation for Boyle’s Law. The problem states that the volume of a gas increased from 1.0 L to 3.3 L and the initial pressure was 1.5 atm while temperature was held constant. Michael calculated the problem and got the answer of 2.3 atm for the final pressure. Does this answer make sense? Why or why not?

• Yes, if volume increases then so does pressure.
• Yes, if volume decreases then pressure increases.
• No, if volume increases then pressure should decrease.
• No, if volume decreases then pressure should also decrease.

A gas with a volume of 4.0 L at 90.0 kPa expands until the pressure drops to 20.0 kPa. What is its new volume if the temperature doesn’t change?

• 4.0 L

• 18 L

• 90.0 L

• 0.90 L

When Volume increases then Pressure must...

• Increase
• Decrease

A gas at a volume of 4 liters is at a pressure of 2 atm. The volume is changed to 16 Liters, what must the new pressure be?

• 2 atm
• 12 atm
• 10 atm
• 0.5 atm

Which container will have a lower pressure?

• left
• right
• they both have the same pressure
• I don't know

The pressure on a sample of gas is increased from 1.0 atm to 3.0 atm. If the new volume is 0.52 L, find the original volume.

• 0.52 L

• 1.56 L

• 0.173 L

• 1.00 L

What type of relationship do temperature and volume have?

• direct

• inverse

• no relationship

• opposites

4.50 L of a gas has a pressure of 760.0 mmHg; what would the new volume be at 200.0 mmHg? (assuming constant temperature and amount)

• 1.18 L

• 1.80 L

• 17.1 L

• 45.10 L