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#1 Posted 0:34pm 20-01-10 dbts....................Q1 [image]39470959.jpg[/image] Q2[image]39470928.jpg[/image] Q3 [image]39470943.jpg[/image] |
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#2 Posted 0:34pm 20-01-10 Re: dbts....................i know i have uploaded ques in wrong section...but plz help friends[1] |
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#3 Posted 2:01pm 20-01-10 Re: dbts....................Q2. The process is isobaric. Ti /Hi = Tf/ Hf => Tf = 0.3*300/0.2 = 450 K Q = nCpΔT U = nCvΔT W = nRΔT (Q-U) => Q > W (both positive and Cp > R)
IIT has walked to me ... off to IIT K Edited on 3:21pm 20-01-10 |
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#4 Posted 3:19pm 20-01-10 Re: dbts....................Tf=450 K |
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#5 Posted 3:27pm 20-01-10 the options confused me...for reason. a)greater becoz internal energy inc. b)greater becoz entropy of nitrogen increases it should be a naa ?
Edited on 3:27pm 20-01-10 |
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#6 Posted 08:24am 21-01-10 Re: dbts....................no one helping ????? |
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#7 Posted 4:14pm 23-01-10 Re: dbts....................yeah it shud be (a)
IIT has walked to me ... off to IIT K |
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#8 Posted 5:04pm 23-01-10 Re: dbts....................kk plz help in Q1,3 also.... |
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#9 Posted 1:51pm 15-02-10 Re: dbts....................?????????? |
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#10 Posted 7:06pm 15-02-10 Re: dbts....................is the answer for 3) a) F= T*x*([frac]1[/]a[/frac] + [frac]1[/]b[/frac]) b) K= ([frac]1[/]a[/frac] + [frac]1[/]b[/frac])*T
God made the laws only nearly symmetrical so that we should not be jealous of His perfection!- Feynman |
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