How do you solve for V1 in a Combined Gas Law problem?

Author Question: How do you solve for V1 in a Combined Gas Law problem? (Read 2359 times)

mydiamond

Hero Member
Posts: 804

on: Oct 4, 2013

Hello!
I was just wondering what the formula would be to solve for V1 when working on a Combined Gas Law problem. If somebody could help me, that would be great!
Thank you!

hummingbird

Sr. Member
Posts: 324

Reply #1 on: Oct 4, 2013

P1V1 / T1 = P2V2 / T2

rearranging...
V1 = V2 x (P2 / P1) x (T1 / T2)

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erika

Hero Member
Posts: 522

Reply #2 on: Oct 4, 2013

Depending on what you DO KNOW you set it up like so
P1V1=P2V2
for V1=P2V2/P1
for temp its
V1/T1=V2/T2
V1=V2T1/T2

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