Ideal Gas law 1A

In the following, what is the unknown variable:

What is the volume of a balloon if it contains 3.2 moles of helium at a temperature of 20⁰C and 1.2 atm?

• P

• V

• n

• T

In the ideal gas law, P = ​ (a)   , V = ​ (b)   , n = ​ (c)   ,

R = ​​ (d)   , and T = ​ (e)  

• pressure
• volume
• moles
• gas law constant
• temperature

A real gas differs from an ideal gas because the molecules of a real gas have

• A) Some volume and no attraction for each other

• B) Some volume and some attraction for each other

• C) No volume and no attraction for each other

• D) No volume and come attraction for each other

Solve the following probem:

What pressure is required to contain 0.23 moles of nitrogen gas in a 4.2 L container at a temperature of 45⁰C?

• 1.43 atm

• 0.048 atm

• 2.49 atm

• 19.32 atm

What is the variable for this number 22.4 L

• P
• T
• n
• V

What is the variable for this number 122 K

• P
• T
• n
• V

In the ideal gas law, which variable represents the gas constant?

• n
• R
• T
• V