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6 Pages

Elementary Principles 360

Course: CHEMICAL E 312, Fall 2011
School: The University of Akron
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Word Count: 252

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2 9.13 a. Fe O 3 s + 3C s 2 Fe s + 3CO g , H r (77 F) = 2.111 105 Btu lb - mole bg bg bg bg Basis: 2000 lb m Fe 1 lb - mole = 3581 lb - moles Fe produced . 55.85 lb m 53.72 lb - moles CO produced 17.9 lb - moles Fe 2 O 3 fed 53.72 lb - moles C fed 17.9 lb-moles Fe2O3 (s) 77 F 53.72 lb-moles C 77 F Q (Btu/ton Fe) b. References: Fe 2 O 3 s , C s , Fe s , CO g at 77 F Substance Fe 2 O 3 s,77 F nin Hin...

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2 9.13 a. Fe O 3 s + 3C s 2 Fe s + 3CO g , H r (77 F) = 2.111 105 Btu lb - mole bg bg bg bg Basis: 2000 lb m Fe 1 lb - mole = 3581 lb - moles Fe produced . 55.85 lb m 53.72 lb - moles CO produced 17.9 lb - moles Fe 2 O 3 fed 53.72 lb - moles C fed 17.9 lb-moles Fe2O3 (s) 77 F 53.72 lb-moles C 77 F Q (Btu/ton Fe) b. References: Fe 2 O 3 s , C s , Fe s , CO g at 77 F Substance Fe 2 O 3 s,77 F nin Hin 35.81 lb-moles Fe (l) 2800 F 53.72 lb-moles CO(g) 570 F bg bg bg bg nout Hout b g Febl,2800 Fg CObg,570 Fg C s,77 F b g (lb - moles) (Btu lb - mole) (lb - moles) (Btu lb - mole) 17.91 0 - - 53.72 - - 0 - - p Fe s - 3581 . 53.72 - H2 Fe(l,2800 H1 F): H1 = z 2794 77 dC i bg dT + Hm 2794 F + b g z 2800 2794 dC i p Fe l b gdT = 28400 Btu lb - mole CO(g,570 F): H2 = HCO (570 F) = 3486 Btu lb - mole A FH interpolatingB.9 IK from Table i i c. Q = H = nFe Hro Fe + n H - n H i i out in . b3581ge2.111 10 j + b3581gb28400g + b53.72gb3486g - 0 = 4.98 10 = . 5 6 2 Btu / ton Fe produced d. Effect of any pressure changes on enthalpy are neglected. Specific heat of Fe(s) is assumed to vary linearly with temperature from 77F to 570F. Specific heat of Fe(l) is assumed to remain constant with temperature. Reaction is complete. No vaporization occurs. 9-8
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The University of Akron - CHEMICAL E - 312
9.12a. 1 m3 at 298K, 3.00 torr n0 (mol) 0.111 mol SiH4/mol 0.8889 mol O2/molSiH 4 ( g) + O 2 (g) SiO 2 (s) + 2H 2 (g)Products at 1375K, 3.00 torr n1 (mol O2) n2 (mol SiO2) n3 (mol H2)Ideal Gas Equation of state : no = ni = nio + i1 m3273 K 3.00 torr
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The University of Akron - CHEMICAL E - 312
9.11a.n - C 4 H10 g i - C 4 H10 gbgbgBasis: 1 mol feed gas0.930 mol n-C4H10 0.050 mol i-C4H10 0.020 mol HCl 149C Q(kJ/mol)(nn- C4H10)out ( ni-C4H10)out 0.020 mol HCl 149C(n n-CH 4 H10 ) out = 0.930(1 - 0.400) = 0.560 mol (n i-CH 4 H10 ) out = 0.05
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The University of Akron - CHEMICAL E - 312
9.10a.C8 H 18 l +bg25 O 2 (g) 8CO 2 g + 9H 2 O g 2bgbgH ro = -4850 kJ / molWhen 1 g-mole of C8H18(l) and 12.5 g-moles of O2(g) at 25C and 1 atm react to form 8 g-moles of CO2(g) and 9 g-moles of H2O(g), the change in enthalpy equals -4850 kJ. b. E
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The University of Akron - CHEMICAL E - 312
9.8a.b. e H j = -385.76 + 52.28 = -333.48 kJ mol e j H = -276.2 - 92.31 + 333.48 = -35.03 kJ mol b g + e H j b g - e H j Given reaction = b1g + b2g -385.76 - 35.03 = -420.79 kJ mol H ro1 = H foo r2 C 2 H 2 Cl 4 ( l ) C 2 HCl 3 le j = e H jo f- H fo
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9.4 (cont'd)U ro is the change in internal energy when 1 g - mole of CaC2 (s) and 5 g - moles of H2 O(l) at 25 C and1 atm react to form 1 g - mole of CaO(s), 2 g - moles of CO2 (g) and 5 g - moles of H2 (g) at 25 C and 1 atm.c.Q = U =nCaC 2 U ro vCaC
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Notes Christian Theology 32 November 30, 2007Next week: group meeting next Friday: Isolate a time on Friday for us all to get together (diane decker room confirmation) to have something of a review for the exam. Tie things together: Not much interest in
The University of Akron - CHEMICAL E - 312
9.2 (cont'd) Heat Output = 1.53105 kW. The reactor pressure is low enough to have a negligible effect on enthalpy. d.C 9 H 20 (g) + 14O 2 (g) 9CO 2 (g) +10H 2 O(l) H ro H ro = -6171 kJ / mol (2) = -6124 kJ / mol C 9 H 20 (l) + 14O 2 (g) 9CO 2 (g) +10H 2
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Christology XTIANTHE 200 Notes January 11, 2008Hone the skill of thinking theologically on the ground.Who is the person revealed in the work? One of the biggest problems today is the separation of the person from the work, and the diminuation of the per
The University of Akron - CHEMICAL E - 312
CHAPTER NINE9.14 NH 3 (g) + 5O 2 (g) 4NO(g) + 6H 2 O(g) H ro = -904.7 kJ / mola.When 4 g-moles of NH3(g) and 5 g-moles of O2(g) at 25C and 1 atm react to form 4 g-moles of NO(g) and 6 g-moles of water vapor at 25C and 1 atm, the change in enthalpy is
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The University of Akron - CHEMICAL E - 312
8.98T = 140 FFig. 8.5-2Vapor: 80% NH 3 , 20% H 2 O Liquid: 14% NH 3 , 86% H 2 OB ACBasis: 250 g system mass mv (g vapor), mL (g liquid).14.60.80 x NH3Mass Balance: mv + mL = 250 . NH3 Balance: 0.80m g + 014mL = ( 0.60)(250) mv = 175 g, mL = 75g
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Christology XTIANTHE 200 Notes January 18, 2008Last week and last time: 4 axioms. Theology unity of theology Christology Resurrection perdurance of flesh Pneumatology The broader problem of modern theology Functioning between two poles as responding agai
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The University of Akron - CHEMICAL E - 312
8.96 a. 2.30 lb m 15.0 wt% H 2 SO 4@ 77 F H1 = -10 Btu / lb mom2 (lb m ) 80.0 wt% H 2 SO 4 @ 60o F H 2 = -120 Btu / lb m Total mass balance: H 2 SO 4U |m | R V S mass balance: 2.30b0.150g + m b0.800g = m (0.600) W |m | T2.30 + m2 = m32 3U | | | m (
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The University of Akron - CHEMICAL E - 312
8.94 (cont'd)300 291 35.0 1 Program Output T (assumed) (K) 321.10 296.54 296.57 Convergence T (assumed) (K) 320.10 316.91 316.9450.0 18.015.0 0.02911.54E3 0.07542.6E6 4.2E0374P (atm) 8.019 7.415 7.416Nav (mols) 4.579 4.571 4.571Nal (mols) 1.703 1
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The University of Akron - CHEMICAL E - 312
8.94 (cont'd) b.Vt 20.0 Vl 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 MA 47.0 T0 300 300 300 300 330 330 330 330 CvA 0.831 P0 1.0 5.0 10.0 20.0 1.0 5.0 10.0 20.0 MB 26.0 Vg 17.0 17.0 17.0 17.0 17.0 17.0 17.0 17.0 CvB 3.85 nB0 203.1 203.1 203.1 203.1 203.1 203.1 203
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The University of Akron - CHEMICAL E - 312
8.94 a.Ideal gas equation of state n A 0 = P0V g / RT0 Total moles of B: n B 0 ( mol B) =(1)Vl ( L) SG B 1 kg / L 10 3 g / kg M B (g / mol B)bgdi(2) (3)Total moles of A: n Ao = n Av + n Al Henry's Law: rFG mol A(l) IJ = k p H mol B KsAn Al n A
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The University of Akron - CHEMICAL E - 312
8.93 Refs: Sulfuric acid and water @ 25 C b. substance H2SO4 H2O H 2 SO 4 aqnin1 rHinb g-M A C pA T0 - 25 M w C pw T0 - 25 -b bg gnoutHout- - 1- n in mol H in J/mol - H m r + M A + rM w C ps Ts - 25bg bg bg(J/mol H2SO4)bg b g b g b g = H
The University of Akron - CHEMICAL E - 312
8.92 a.mA (g A) @ TA0 (oC) nA (mol A) mB (g B) @ TB0 (oC) nB (mol B) Refs: A(l), B(l) @ 25 C substance nin H in nout A B S nA H A nB H B - - - - nA nS (mol solution) @ Tmax (oC)H out - - H S (J mol A) n in mol H in J / molMoles of feed materials: n A (
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The University of Akron - CHEMICAL E - 312
8.90 (cont'd)Product solution: nH = n A H s 25 C + mbgb0.154g1.095 kmol A =h = -259 kJ h Crystals: nH = n A H hydration + m =z5025C p dT-171 10 4 kJ 30 kg 3.5 kJ . + h kg C kmol Ab50 - 25g Cz5025C p dT (hydrate at 25 C , heat to 50 C ) -3.6
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The University of Akron - CHEMICAL E - 312
8.90 Basis: 200 kg/h feed solution. A = NaC 2 H 3 O 2n 1 (kmol H2 O(v )/h) 50C, 16.9% of H 2O in feed 200 kg/h @ 60C . n 0 (kmol/h) 0.20 A 0.80 H 2O Q (kJ/hr).Product slurry @ 50C . n 2 (kmol A-3H 2 O(v )/h) . n 3 (kmol solution/h) 0.154 A 0.896 H 2 O
Duke - DIV-CHRIST - Xtian-200
Christology J. Carter March 5, 2008Over the last week we've been exploring the inner logic of Christ The covenant marks YHWH's relationship with the world. It is the relationship of YHWH with creation, covenantal response. Humanity's grasping of life for
The University of Akron - CHEMICAL E - 312
8.89 (cont'd)R |H | | Table B.6 S |H | | To o H2 O ( v ) (186 F = 85.6 C) = (2652 kJ / kg) 0.4303F GG HBtuI JJ = 1141 Btu / lb kJ kg Klb mmH2 O ( l ) (149oF = 65.4 o C) = (274 kJ / kg) 0.4303 = 118 Btu / lb mbgQ = mH = (46.3lb m Btu ) (118 -
Duke - DIV-CHRIST - Xtian-200
Christology XTIANTHE 200 Dr. Carter Notes March 19, 2008Vicarious yes carried by Israel; Vicarious yes carried by Jesus; Israel also carries the no. Abraham carried in Gen 12 the "yes" out of Ur. Jesus took the "no" and deepened it into a "yes". I came n
The University of Akron - CHEMICAL E - 312
8.89 P2 O5 + 3H 2 O 2H 3 PO 4mol H 3 PO 4a.wt% P2 O 5 =n 14196 . mtbg 100% ,g wt% P O2Bwt% H 3 PO 4 =2nmcb98.00g 100%g H 3 PO 4 molBg totalAwhere n = mol P2 O5 and mt = total mass . wt% H 3 PO 4 = 2 98.00 14196 .b5= 1381 wt% P2 O 5 .
Duke - DIV-CHRIST - Xtian-200
Christology XTIANTHE 200 Dr. Carter Notes March 26, 2008The beginning is never in our possession. A feature of our fallenness is that we believe that we can secure our beginning. And the end, too. And the middle, too. But we're operating from the middle.
The University of Akron - CHEMICAL E - 312
8.87 (cont'd)Air @ 200C: Table B.8 H = 515 kJ mol . Air (dry) @ 50C: Table B.8 H = 0.73 kJ molH 2 O v , 50 C : Table B.5 H =bgb2592 - 104.8g kJkg Hout1 kg318.0 g10 g 1 mol= 44.81 kJ molsubstance NaOH aq2b g H Obv gDry airnin 0.15 - 1061Hi
Duke - DIV-CHRIST - Xtian-200
Christology XTIANTHE 200 Dr. Carter Notes April 2, 2008Christological incognito meets us in the middle, incognito, God meets us in the form of this world. The fall is a falling back into the void. But there is healing. He exists as the form of the servan
The University of Akron - CHEMICAL E - 312
8.86 (cont'd)H HCl, n = 5.75 = H s 25 C, n = 5.75 + = -64.87 kJ mol +H HCl, 20o C =begbg1 nHCl4025zmC p dTjz8 mols1120 g 0.66 cal g Cb40 - 25g C4.184 J kJ cal 103 J2025. 0.02913 - 01341 10 -5 T + 0.9715 10 -8 T 2 - 4.335 10 -12 T 3 dT
Duke - DIV-CHRIST - Xtian-200
Christology XTIANTHE 200 Dr. Carter Notes April 4, 2008Gestures about how this takes us into forgiveness, into justification through liberation. Last classes are next week. On the path to glory. We've considered the Christological person in the soteriolo
The University of Akron - CHEMICAL E - 312
8.85 2 mol H 2SO 4 = 0.30 2.00 + nH 2 O nH 2 O = 4.67 mol H 2 O r = a. For this closed constant pressure system,Q = H = nH 2SO 4 H s 25 C, r = 2.33 =dimol H 2 O 4.67 = 2.33 mol H 2SO 4 2bg2 mol H 2SO 4-44.28 kJ mol H 2SO 4= -88.6 kJb. msolution
The University of Akron - CHEMICAL E - 312
8.83 Basis: 100 mol solution 20 mol NaOH, 80 mol H2O r=80 mol H 2 O = 4.00 mol H 2 O mol NaOH 20 mol NaOHRefs: NaOH(s), H 2 O l @25 C substance NaOH s2bgbg H Obl g NaOHbr = 4.00gninH innout - -H out - - n in mol H in kJ mol20.0 0.0 80.0 0.0 - -
Duke - DIV-CHRIST - Xtian-200
Christology XTIANTHE 2004/4/08 Jesus as the eschaton of Israel, the healing of Israel Sign that points to the healing of Israel, and in the Messiah of Israel, the healing of the nations Theological exegesis of Mk. 5Self-assertion/preservation of nations
The University of Akron - CHEMICAL E - 312
8.80 (cont'd)Inlet air:Tdb = 37 C hr = 50%Fig. 8.4-1Rh = 0.0198 kg H O kg DA SH = b88.5 - 0.5g kJ kg DA = 88.0 kJ kg DA Ta1 1 2 Fig. 8.4-1Moles dry air: ma =1250 kg 1 kg DA = 1226 kg DA h h 1.0198 kgOutlet air: Tdb = 15 C, sat' d Overall water bal
Duke - DIV-CHRIST - Xtian-200
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Duke - DIV-CHRIST - Xtian-200
Christology Dr. Carter April 11, 2008The drama Healing Forgiveness Justification Judgement of Forgiveness Justice of Forgiveness LiberationSanctification/HolinessJustice says "Destroy the no!" God is on both sides of the covenant. He is rejecting the "
The University of Akron - CHEMICAL E - 312
8.79 (cont'd) c. QBA = H = H B - H A ( 20 - 6.4) Btu / lb m dry air 12.2 ft 3 / lb m dry air (23 - 20) Btu / lb m dry air 12.2 ft / lb m dry air70% 52% 35%= 1.1 Btu / ft 3 = 0.25 Btu / ft 3QDC = H = H D - H C d.3CDAB2058.570758.80 Basis: 1
Duke - DIV-CHRIST - Xtian-200
Christology Dr. Carter April 11, 2008The exam is due on Friday! Not today (April 22, 2008) Notes from the recording: He's going to try to wrap things up today.Healing Forgiveness Justification Judgement of Forgiveness Justice of Forgiveness As we go fur
The University of Akron - CHEMICAL E - 312
8.78 a.Tdb = 45 C Tdew pointU V = 4 C Wbh gFig. 8.4-1a in= 0.0050 kg H 2 O kg D.A.Twb = 20.4 C, V = 0.908 m 3 kg D.A.Twb = Tas = 20.4 C, saturated hab gout= 0.0151 kg H 2 O kg D.A.b. Basis: 1 kg entering sugar (S) solutionm1 (kg D.A.) 0.0050
Duke - DIV-CHRIST - Xtian-200
Christology XTIANTHE 200 Brian Bantum April 16, 2008Loffink's approach to ethics. vs. Bonhoeffer's approach (Eric's question) Lofink's keeping the NT involved in our ethical discernment. Ethical abstraction being a distraction from Jesus. Need a straight
The University of Akron - CHEMICAL E - 312
8.75 (cont'd)Moisture content of exiting chips: 0.065 kg water 100% = 9.8% < 15% meets design specification 0.600 kg dry chips + 0.065 kg water(c) References: Dry air, H 2 O l , dry chips @ 0C.bgsubstance Air H 2O l dry chipsminHinmoutHoutbg15.0
Duke - DIV-CHRIST - Xtian-200
Christology Notes from Alan Combs 1/11/08 4 Basic Points to always keep at the forefront: 1. We are trying to reckon with and always think the reality of God, and thus our reality inside of God's reality, at the covenantal intersection of Jewish and Genti
The University of Akron - CHEMICAL E - 312
8.74 (cont'd)Energy balance on cooler-reheater References: Same as Fig. 8.4-2 [including H2O(l, 32oF)] Substance Fresh air feed Recirculated air feed Delivered air Condensed water (49 F)o^ min H in 10.93 45.5 65.57 26.2 - - - -mout - - 76.5^ H out -
Duke - DIV-CHHIST - ChHist13
Warren Smith Church History 13 Monday, August 25, 2008 Explanation of the course Write a 100-word thesis summary to each reading prompt given for each week. Read a text once to get the lay of the land. Second reading is the one in which we ask questions,
The University of Akron - CHEMICAL E - 312
8.74 (cont'd)The outside air is first cooled to a temperature at which the required amount of water is condensed, and the cold air is then reheated to 55F. Since ha remains constant in the second step, the condition of the air following the cooling step
Duke - DIV-CHHIST - ChHist13
Warren Smith Church History 13 Wednesday, August 27, 2008He wants us to have a sympathetic reading of the text. He wants us to understand why anyone would think it was true. We need to understand why these texts were saved. Why were they perceived as tru
The University of Akron - CHEMICAL E - 312
8.73 (a)= 10.0 kg water evaporates / min 97.56 kg air 10 kg H 2 O min (b) ha = = 0.025 kg H 2 O kg dry air , Tdb = 50 C 400 kg dry air min minFig. 8.4-1400 kg 2.44 kg waterH = 116 - 11 = 115 kJ kg dry air , Twb = 33 C, hr = 32%, Tdew point = 28.5 C .