general chemistry4

60 spring 2004 lecture 6 page 6 d du d cv t3 t1

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Unformatted text preview: - T1 ) dqD T = dHD T = Cp dT T =Cp ln T3 ^ ~ T1 dqD T = C p ln T3 ^ ~ T1 [E] Const. V dqE T DU E = CV (T1 - T3 ) DH E = C p (T1 - T3 ) wE = 0 qE = CV (T1 - T3 ) = dU E T = CV dT T T ^ =CV ln 1 ~ T3 dqE T = CV ln T1 ^ ~ T3 [A] vs. [D] + [E] DU A = 0 DUD + DUE = CV (T3 - T1 ) + CV (T1 - T3 ) = 0 = DU A DHD + DHE = C p (T3 - T1 ) + C p (T1 - T3 ) = 0 = DH A V2 V1 V2 V1 qD + qE = C p (T3 - T1 ) + CV (T1 - T3 ) = R (T3 - T1 ) qA DH A = 0 qA = RT1 ln wA = - RT1 ln wD + wE = - R(T3 - T1) wA 5.60 Spring 2004 Lecture #6 page 7 dqA T = R ln V2 V1 dq D T + dqE T 3 = C p ln T ^ T^ T ^ ~ + C ln ~ = (C - C ) ln ~ T T T 3 1 3 V p V 1 3 1 1 2 2 A T ^ pV ^ V ^ dq = R ln ~ = R ln ~ = R ln ~ = T pV V T 1 1 1 1 Here we have a state function ! dqrev ^ T...
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