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Shweta Thakur posted an Question
April 05, 2021 • 14:56 pm
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30 points
30 points
- IIT JAM
- Chemistry (CY)
Plz tell what is finite and intermediate expansion..... erature of the g as remains const
Refer to Ean. (1 dU=0 Further for an id Further Ior an ideal gas, Uis a function of tcmperature and as dU=0, tis mcans that temperature of the gas remains constant after expansion, i.e., dT= 0 cmperature and as dU= 0, this mcans that temperature of the dH=d (U+ P) = dU+ d (P) = dU+ d (RT) = dU+ RdT= 0+0=0 For-a finite change, the expressions for w, AUand AlH will be W-0, AU 0, AT=0, AH=0 .20) These expressions are sanme as for isothermal free expansion. Hence, we conclude that for free expansion, othermal and adiabatic expansions are identical. 35 IERMODYNAMICSI
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Amol ashok pawar Best Answer
This means that when there is a space constraints I. E. Within the allocated space the expansion is done then it is known as finite expansion. When the process of expansion is going on i. e. when it is still being carried out then process is intermediate expansion. For the attached image. It states that when this isothermal expansion is carried out all the prescribed parameters U, H and T remain constant.