Gay Lussac's Law

The relationship of which two variables are compared in Gay-Lussac’s Law?

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

What temperature scale must all temperature measurements be converted to?

• Celsius
• Fahrenheit
• Kelvin
• Does not matter

Pressure and temperature have a(n) _________ proportionality.

• direct
• inverse
• linear
• exponential

What is the formula for Gay-Lussac’s Law?

• P₁/T₁ = P₂/T₂
• P₁/V₁ = P₂/V₂
• T₁/P₁ = T₂/P₂
•  P₁•T₁ = P₂ • T₂

For the problem below, what is the initial temperature in Kelvin? 
Bill Belichick uses a lot of hairspray to keep his hair looking good while coaching an entire game. If his can of hairspray has an initial temperature of 22°C and a pressure of 18.5 psi, what would be the final temperature of the gas is the pressure decreases to 16.9 psi after use?

• 291.5 K
• 289.9 K
• 275 K
• 295 K

Bill Belichick uses a lot of hairspray to keep his hair looking good while coaching an entire game. If his can of hairspray has an initial temperature of 22°C and a pressure of 18.5 psi, what would be the final temperature of the gas is the pressure decreases to 16.9 psi after use?

• 176 K
• 322 K
• 323 K
• 269 K

Tags

NGSS.HS-PS3-1

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

A gas is in a closed container has a pressure of 2.0 atm at 30°C. What will the pressure be if the temperature is lowered to -172°C?

• 15,301.5 atm

• 6 atm

• 6 K

• 0.66 atm

• 0.66 K

A rigid can has some air trapped in it.  If it is put into a hot oven, what will happen?

• The particles will move slower and the pressure will decrease.
• The particles will move slower and the pressure will increase.
• The particles will move faster and the pressure will decrease.
• The particles will move faster and the pressure will increase.

Tags

NGSS.HS-PS3-2

With the volume and number of molecules held constant, what happens to the pressure of a confined gas when the temperature increases from 50 K to 100 K?

• It increases, exactly doubling
• It increases, less than doubling
• It increases, more than doubling
• There is no way to know