# Homework Help: Rms speeds at 20 degrees celcius of atoms of helium

1. Aug 17, 2004

### thomas

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. Aug 17, 2004

### Clausius2

I see, they are very pretty. Now, what do you want?

3. Aug 17, 2004

### thomas

Help pls

I would like to have some solution for these questions thank you.

4. Aug 17, 2004

### Tom Mattson

Staff Emeritus
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