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Question 31

 
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hua8986059



Joined: 10 Mar 2011
Posts: 49

PostPosted: Thu May 05, 2011 3:30 pm    Post subject: Reply with quote

actually its KE = 3/2 KT for molecule

KE = 3/2 RT per mole.
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mohsinalam5969



Joined: 18 Apr 2011
Posts: 48

PostPosted: Sun Jun 19, 2011 2:03 pm    Post subject: Reply with quote

@asfino
"k" is the boltzman constant while "T" is the temperature in kelvin....

@quadalpha

(1/2)m*(v^2) = (3/2)*K*T
and we know that
PV=nRT................(i)
and we also know that
PV=(2/3)K.............(ii)
so putting value of PV from eq(i) into eq (ii)
RT=(2/3)K
&
3RT/2=K
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