Elementary Principles 463 - 10.11 1 A1 + 2 A2 + 3 A3 +. m...

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10- 15 10.11 η 11 22 33 0 AAA A mm ++ + = a. Extent of reaction equations : ξ =− [] SF IX X NU IX bg SP I SF I NU I I N =+∗ = 12 ,, Energy Balance : Reference states are molecular species at 298K. TF SF N TP SP N =+ Δ ± HH F I N U I r I N =∗ = 1 Q H TP SP I CP I TF SF I CP I r I N I N + == ∑∑ Δ ± () 298 298 b g b. CH 5O 3CO 4HO 38 2 2 2 +→ + Subscripts : 1 = C 3 H 8 , 2 = O 2 , 3 = N 2 , 4 = CO 2 , 5 = H 2 O 270 m 1 atm mol K 1000 liter h h K 0.08206 liter atm m 3600 s mol C H s 3 3 = 273 3348 . [=SF(1)] 3.348 mol C H 1.2 5 mol O sec mol C H mol O s [= SF(2)] mol N s [= SF(3)] 2 =⇒ 2009 7554 .. Xn 0 90 010 3348 0 3348 = = . ² .( . ) . / mol C H s in product gas [= SP(1)] SF IX X NU IX = –(3.348 mol/s)(0.90)/(–1) = 3.013 mol/s For the given conditions, Q = − 4006 kJ / s .
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