1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Really fast problem

  1. Feb 24, 2005 #1
    i know this probably sounds really stupid but how do i convert 20mm of gas into pascals?
  2. jcsd
  3. Feb 24, 2005 #2
    Pa has units of [itex]N/m^2[/itex] thus you need a little more info to convert 20mm of gas to pascals.
  4. Feb 24, 2005 #3
    [itex] p = h \rho g [/itex], when you use SI units in the RHS, P is in N/m^2. You need to know the density of the gas. g is the accelaration of gravity.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook