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PHYSICS HELP PLEASE

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rvca
Posts: 311 - Karma: 13

A container having a volume of 1 m

77 mol of helium gas at 129

Boltzmann’s constant is 1

Assuming the helium behaves like an ideal

gas, what is the average kinetic energy per

molecule? Answer in units of J.

3 holds◦C..38 × 10−23 J/K.
Jun 9 2009 7:37PM
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ATLskier
Posts: 8203 - Karma: 406
if its that stupid computer internet physics homework, search the question in google. It got me through my semester.
Jun 9 2009 7:48PM
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rvca
Posts: 311 - Karma: 13
i already tried that and it wasnt any help. i cant figure out which formula to use
Jun 9 2009 7:50PM
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lukasdudd
Posts: 194 - Karma: 13
Try using the equation that kinetic energy =1/2mv^2  and get the mass from the mass of one of the molecules and get the velocity^2 of the molecule from
Click for larger image               hope that helps!
Jun 9 2009 10:03PM
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RiSKIe
Posts: 176 - Karma: 11
^^^^^what he said

Jun 9 2009 10:11PM
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deleted5
Posts: 14507 - Karma: 13,507
full tilts      
-----------    = afterbang
t-wall




hope that helped
Jun 9 2009 10:13PM
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