Gas Laws

What is 50 C in Kelvin?

• 223

• 323

• 100

• 50

A sample of a gas has a volume of 852 mL at 298 K. What temperature is necessary for the gas to have a volume of 945 mL?

• 57.5⁰C
• 57.5 K
• 330.5 K
• 330.5⁰C

What will happen to the volume of a gas under constant temperature if the pressure increases?

• Increase

• Decrease

• Nothing

• Explosion!

What is the equation for Charles' Law?

• P₁V₁=P₂V₂
• V₁/T₁=V₂/T₂
• V₁/n₁=V₂/n₂
• P₁/T₁=P₂/T₂

What is the equation for Boyle's Law?

• P₁V₁=P₂V₂
• V₁/T₁=V₂/T₂
• V₁/n₁=V₂/n₂
• P₁/T₁=P₂/T₂

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

Collisions between gas particles are said to be "elastic" because _________________________.

• they have a stretchy waistband
• kinetic energy is lost between particles
• kinetic energy is not lost between particles and is instead transferred
• particles move in a straight line

Absolute zero is

• 0 K

• where there is no molecular movement

• the coldest temperature possible

• all of these

At STP (Standard Temperature and Pressure), a gas has a volume of 3.0 L. What is the new volume if the pressure increases to 303.9 kPa? 

• 9 L
• 1 L
• 9 kPa
• 1 kPa

A sample of gas has a volume of 0.600 L at 30°C and a pressure of 0.8 atm. What is the number of moles in this sample?

• 0.2 mol

• 0.02 mol

• 14.4 mol

• 145.4 mol