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: Rms speeds at 20 degrees celcius of atoms of helium

  1. Aug 17, 2004 #1
    1. Calculate the rms speeds at 20 degrees celcius of atoms of
    helium (4u)?

    2. The escapte speed from the surface of the earth is 11.2 km/s. Find at what temp. the following gas (O2) have this value as the rms speed?

    3. One mole of an ideal monatomic gas is heated from 0 degrees celcius to 100 degrees celcius. Find the chnage in internal energy and the heat absorbed, given that the process takes place under the follwoing condition:
    (a) constant volume
    (b) constant pressure
  2. jcsd
  3. Aug 17, 2004 #2


    User Avatar
    Science Advisor
    Gold Member

    I see, they are very pretty. Now, what do you want?
  4. Aug 17, 2004 #3
    Help pls

    I would like to have some solution for these questions thank you.
  5. Aug 17, 2004 #4

    Tom Mattson

    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    Thomas, you're at the wrong website. You want:

    http://www.wedoyourhomeworkforyou.com [Broken] :rofl:

    Seriously, please read the sticky at the top of this Forum. We don't do complete solutions here.
    Last edited by a moderator: May 1, 2017
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook