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![[Post New]](/templates/default/images/icon_minipost_new.gif) 4 Apr 2008 18:20:08 IST
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For an ideal gas if the molar heat capacity varies as C=Cv +3aT^2 find the equation of the process in the variables(V,T), where a is constant.
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4 Apr 2008 18:30:43 IST
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C= dQ/dT
Cv=dU/dT
dQ = dU + PdV
dT dT dT
ther4: PdV =3aT2
dT
PV =RT
RTdV =3aT2
VdT
dV = 3aT dT
V R
lnV=3a T2
R*2
V1/T^2 =e3a/2R
V1/(T ^2 ) =constant
rate me if crrct!!!!!
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4 Apr 2008 18:37:21 IST
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is it correct????
yrnt ny1 replyin??
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VARSHA KRISHNAN....
------------------------------------
IIT is always a word which rises E thru' d body. But 2 achieve it U hav 2 drain out d entire E out of the body....
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4 Apr 2008 18:48:17 IST
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y no replies????
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VARSHA KRISHNAN....
------------------------------------
IIT is always a word which rises E thru' d body. But 2 achieve it U hav 2 drain out d entire E out of the body....
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4 Apr 2008 19:07:41 IST
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sum1 reply naa!
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VARSHA KRISHNAN....
------------------------------------
IIT is always a word which rises E thru' d body. But 2 achieve it U hav 2 drain out d entire E out of the body....
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5 Apr 2008 11:45:49 IST
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i also got this answer only
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5 Apr 2008 13:46:14 IST
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from first law Q = U + W nCdT = nCvdT + W W = PdV = n(C-Cv)dT = n3aT^2 dT nRT/V dV = n3aT^2 dT =>  dV/V = 3a/R TdT lnV = 3aT^2/2R => V^(1/T^2 )= const
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"Imagination is more important than knowledge."
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5 Apr 2008 14:04:30 IST
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Edit** good work priyesh!!
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There is no better feeling in this world than being a winner! |
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5 Apr 2008 14:41:03 IST
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plizz rate if ur dbt is solved naa
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VARSHA KRISHNAN....
------------------------------------
IIT is always a word which rises E thru' d body. But 2 achieve it U hav 2 drain out d entire E out of the body....
|
this reply: 5 points
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in 1 votes ) [?]
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