Chemistry Gas Law

Question

How Do i rearange a equation for the combined Gas law if i am trying to find P2?

Answer 1

So, the combined gas law states

P₁V₁/T₁ = P₂V₂/T₂

If you cross-multiply, you get P₂V₂T₁ = P₁V₁T₂

Then, to solve for P₂, you can divide both sides by V₂T₁ to get...

P₂ = P₁V₁T₂ / V₂T₁

Make sense?