GAS LAWS

Using Gay-Lussac's law, if the pressure of a gas starts out at 200kPa and increases to 600kPa, what would the initial temperature be if it ended up at 300K?

• 50K
• 200K
• 400K
• 100K

What is the correct temperature on the Kelvin scale equal to 30^oC?

• 303K
• 243K
• 313K
• 253K

Which gas law would best be used when there are no variables being held constant?

• Boyle's Law
• Charles's Law
• Ideal Gas Law
• Combined Gas Law

What is the correct formula for Boyle's Law?

• V₁/T₁=V₂/T₂
• P₁V₁=P₂V₂
• P₁/T₁=P₂/T₂
• PV=nRT

Boyle's law :  The pressure and volume of a gas show a _____ relationship. 

• Inverse 
• Direct 

A sample of gas with a volume of 30.0 mL at 25.0^oC is heated to 50.0^oC.  What is the new volume of the gas?

• 60.0 mL
• 15.0 mL
• 27.5 mL
• 32.5 mL

Tags

NGSS.HS-PS1-5

You have a gas that has a pressure of 2 ATM and a volume of 10L.  What would be the new volume if the pressure was changed to 1 ATM?

• 5 L
• 20 L
• It would stay at 10L
• 1 L

Three gases, Ar, N₂ and H₂ are mixed in a sealed container. Ar has a pressure of 255 torr, N₂ has a pressure of 228 torr and H₂ has pressure of 752 torr. What is the total pressure in the container?

• 483 torr

• 270 torr

• 1235 torr

• 760 torr

Determine the initial temperature of a random gas when the initial volume is 2.2 L and it is cooled to 88K with a volume of 0.85 L. 

• 0.029 K
• 0.021 K
• 227.76 K
• 34 K

Tags

NGSS.HS-PS3-1

What is the equation to solve for Charles' Law?

• P1 (P2) = V1 (V2)

• V1 / T1 = V2 / T2

• P1 / T1 = P2 / T2

• V1 / V2 = T1 / T2