IGCSE Gas Laws

3. According to Boyle's law, at constant temperature, as the pressure of a given sample of gas is increased, the volume will –

• Increase
• Decrease
• Remains the same

5. As per Charles' Law if temperature of any gas is increased its volume will -

• increase
• decrease
• remains the same

Boyle's law : When _______ is held constant, the pressure and volume of a gas are ________  proportional

• temperature,  equally
• mass, inversely
• temperature, inversely
• mass, equally

If a balloon is cooled what will happen to the volume?

• Volume will increase
• Volume will decrease
• Volume will not change

Tags

NGSS.HS-PS3-4

Gases have...

• A definite shape and volume
• A definite shape but no definite volume
• No definite shape but a definite volume
• No definite shape or volume

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

The molecules of a gas are in constant and random motion.

• TRUE
• FALSE
• DEPENDS UPON THE KIND OF MOLECULE

Tags

NGSS.HS-PS3-2

What is the instrument called that measures air pressure?

• thermometer
• ruler
• yard stick
• barometer

What pressure, in atm, is exerted by 2.50 L of gas containing 1.35 mol at 320 K?
PV=nRT

• 14.19 atm
• 16.53 atm
• 18.42 atm
• 22.54 atm