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05. Using the Dieterici equation of state, RT p= a/RTV V - b show that a Pc a 4e2b2 Vc - 25, TC = 4Rb

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ANSWER :The Dieterici equation of state is RT alRtv given by P= V-b Now, taking tog on both sides of the equation. logp = log [ A le-© Taking up have du we =0 and dep dre 29 Cuc-b? RTV² =0 dvelt locita (verb) ratio and we have of 2 29 RTV² Now, squaring en 63 Pc = again, RT = 9 RT b е 2v ub PE which gives ub2e2 Pc 46²2 peetting the va value and of Pc ve in equation a RTC 2b-b 2-2

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