Information_Sheet_For_FinalExam

Information_Sheet_For_FinalExam - 132J Final Examination...

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Unformatted text preview: 132J Final Examination — Equations and Data R = 8.314 J/mol.K = 8.314 kPaJ/moLK = 0.0821 atm.L/mol.K ST P = standard temperature and pressure = 273.2 K and 101.3 kPa SA TP = standard ambient temp. and press. = 298 K and 100.0 kPa Equations [or finding AE, AH, 91 and w ° AE : q + W (special case AE = qv); AH = AE + APV (special case AH =qp) For isothermal processes 0 W : —nRTln(V2/V 1) = -nRTln(P1/P2) (reversible); W = —APV (irreversible) For adiabatic processes T1V1Y’1 = Tszl'1 ; P1V1Y = PZVZY Where y = Cp/CV (reversible) ll AE=nchT=w cp-CV=R AH = AE + APV = AE + (P2V2 — P1V1); AH = ncpAT Equations for finding AS In general, AS = grey/T; ASWp : AHvap/Tb; ASvap = 88 J/molK (Trouton’s rule) AS = ncpln(T2/T1),' AS = ncvln(T2/T1); AS = nR1n(V2/V1) and AS = ann(P1/P2) constant T ASH)! :: Assys + Assam AG 2 nRTln(P2/P1) Changes Occurring During Reactions AXmaction = ZAXr(products) — ZAXfireactants) where X =H or G ASreacu-on = ZS(products) — ZS(reactants) AGSYS : AHSys — TASSys = —RT1nK (at equilibrium) AG : AG0 + RT an ln(K2/K1) = -AH°/R[1/T2 — l/Tr] (van’t Hoff equation) Engine Efficiency (3) = net work out/heat in = - wnet/qin = (Tr1 i Tc)/Th (Carnot cycle only) Eguilibrium pH = —10g[H+]; pOH = —log[OH']; pH + pOH =14; pKa = -log(Ka) pH = pKa + log[salt]/[acid]; kw = 1.00 x 10'14 Electricifl AG = wclcc (reversible) ECG“ = Eoee1|~(RT)/(nF) . 1er = -QE K = €Xp(E0ce]| nF/RT) = -nFE Q = It = -ItE Kinetics 0E“ order rate = k [CA] : [CA]0 + kvAt 1St order rate = k[CA] in[CA] : ln[C,4]0 + vAkt 2nd order rate = 140A]2 I/[CA] : 1/[CA]O - kvAt ...
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  • Fall '09
  • ProfessorNewstead

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