The pressure, p. of a gas varies inversely with its volume, v. pressure is measured in units of pa. suppose that a particular amount of gas is initially at a pressure of 84 pa at a volume of 336l. if the volume is expanded to 216l. what will the new pressure be

I think I know how to do it

Your equation is:

P₁V₁ = P₂V₂

You Know:

Initial:

P₁ = 84 Pa

V₁ = 336 L

New:

P₂ = ?

V₂ = 216L

Plug this into the equation:

P₁V₁ = P₂V₂

(84 Pa)(336 L) = P₂(216 L)     Divide 216 on both sides

130.6666666 = P₂    

(if your doing significant figures, you have 2 sig figs)

130 Pa = P₂

after simplifying it i got: -36.25 as my answer. hope that !