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Shweta Thakur posted an Question
September 28, 2020 • 02:30 am
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30 points
30 points
- IIT JAM
- Chemistry (CY)
Plz explain what is the difference between p opposite and p2 in irrereversivle process's..... e gas involved is ideal, using pv = rt, we have rt
AlTerilau temperature T, as follows : From equations (23) and (24), (27) bu s C, (T2-T1)=- Popp (V2- V,) As the gas involved is ideal, using PV = RT, we have RT, T7 227 RT VP and V2P RT RIT P Substituting these values in eqn. (27), we get RT2 RT C (T-T) =opPP .(28) or C, (T2-T)=- Popp P2 Taking Popp= P2, i.e., the pressure of the gas after expansion, we get RT RT, .(29 C,T-T)=2P PB wOyoautu C,T2-C,T=2-RT, or C,T + RT=C,T +2 P RT or P RP2 C+R) T2 = T or P RP2 C,Ta =TC+ or P C+RP2/ P Ta T or Cp
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Priyanshu kumar Best Answer
Popp is external pressure and it is denoted also as Pext...For a special case Pext=P2 where P2 is the pressure of gas after expansion. When Popp not equal to P2 then you have to use equation 28 for calculation
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sir
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ye kya SB delete ho gya
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sir mane ye poochna tha ki... p opposite = p external ye possible ho skta irreversible process main reversible main to Hoga hi ni
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haa
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pext or Popp=P2 special case me hoga
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mtb kya special
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jb given ho ques me tbhi lena hai
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nhi given ho to equation 28 tak hi use karna hai
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ques dekho
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sir ye b part main pressue to Diya ni
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haa maine bheja ye ki dekho mention kiye honge
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sir PV = nrt se aa jayega because constant pressure ke against expansion hain to irreversible process Hoga to Jo final volume hai 48.4 ke aspect main pressure nikl lija
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Dekho aab
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haa or P2 or Pext same ho jayega
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Shi hai n aise find out krna hai n
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haa👍
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Shweta thakur
ok sir