Consider a system in which the following reactions occur:CH4 + H₂O → CO + 3H₂CH4 + 2H₂O → CO₂ + 4H₂ (2)where the numbers (1) and (2) indicate the value of j, the reaction index. If 2 mol CH4 and3 mol H₂O are initially present, determine expressions for the y, as functions of &₁ and 82.

Given data: Initial moles of methane = 2 mol Initial moles of water = 3 mol

Answered: Consider a system in which the…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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3. Consider the activity coefficients at infinite dilution for a mixture of 2-propanol and water at 30 °C: 71 =7.32 72 = 2.97 where subscript numbers (1) and (2) are for 2-propanol and water respectively. (a) ( ) Find the van Laar parameters A and B for the mixture. (b) ( 3) Find the activity coefficients (%) for the compounds (1) and (2) in a binary mixture at 30 °C where the liquid has 40% mole of 2-propanol (i.e., ₁ = 0.4).
(d) 2 mol gaseous ethene (C₂H4) and 1 mol gaseous water are combined in a reactor and react to form ethanol (C₂H5OH) according to: C2H4 (g) + H₂O (g) C2H5OH (g). At a temperature of 500 K the equilibrium constant Kp is 1.256 x 10-2 bar ¹. Assume that all reactants and products behave like perfect gases. (i) Calculate the equilibrium composition (in mol %) of the gas mixture at 500 K and a combined pressure of 1 bar. What pressure is required to obtain 10 mol% of ethanol in the product mixture?
Write an equilibrium expression for each chemical equation. A) CO(g)+Cl2(g)⇌COCl2(g) Use A for [CO], B for [Cl2], C for [COCl2]. B) 2H2O(g)+CS2(g)⇌2H2S(g)+CO2(g) Use A for [H2O], B for [CS2], C for [H2S], D for [CO2]. C) CS2(g)+4H2(g)⇌CH4(g)+2H2S(g) Use A for [CS2], B for [H2], C for [CH4], D for [H2S].
Synthesis gas (a mixture of H2 and CO) can be produced by the catalytic reformingof methane with steam. The reactions are: Assume that equilibrium is attained for both reactions at 1 bar and 1300 K. - Calculate the equilibrium constants K1 and K2 for reactions 1 and 2.
Molecular bromine is 24 percent dissociated at 1600 K and 1.00 bar in the equilibrium Br₂(g) ⇒ 2Br(g). Calculate (a) Kp, (b) A,Gº, (c) K₂ at 2000 K given that A₁HⓇ = +112 kJ mol-¹ over the temperature range.
Mn in groundwaterA ground water has the following conditions:{Mn2+ (aq)} = 1.0x10 -5pH = 7.0 (i.e., {H+ } = 1.0x10-7)Saturated with oxygen from the atmosphere: {O 2(aq)} = 2.63x10 -4T = 25 °C(a) Write the balanced equation for oxidation of reduced manganese,Mn2+ (aq), by dissolved oxygen (O 2(aq)) to generate MnO 2(s)(manganese dioxide) or MnOOH(s) (manganite), respectively.(b) Determine whether each of the above two reactions isthermodynamically favorable in the ground water. Which phase ofthe manganese oxide is more stable in the ground water?(c) If groundwater is at 5 oC, does oxidation of Mn 2+ (aq) by dissolvedoxygen to generate MnO 2(s) become more or less favorable?Calculate the saturated {Mn 2+ (aq)} assuming the water pH remainsat 7.0 and the dissolved oxygen concentration is 3.73x10 -4 M. 25C and 1 atm Please be as detailed as possible. I want to be able to replicate. Thank you so much. :)
Derive an expression for the molar excess enthalpy of mixing of a mixture described by a molar excess Gibbs free energy of the form gE = X1X2(A21X1 + A12X2) where the constants A21 and A12 are independent of temperature.
I posted this question before but didn't get the explanation, can I get an explanation on how to get fugacity coefficient using the written formula I attached, thanks.
2. Consider the following reaction: CO) +=O=COz) s) Find AH (kJ/mol) of the reaction at 298 K and 1 bar (b) ›) Determine the spontaneity of the reaction in a furnace operating at 2000 K where the partial pressures of the compounds are: Compound iP (bar) CO(R) O₂(g) CO2(g) Consider that for this reaction AG2000k = -111 kJ/mol 0.05 2.00 2.50
Please solve correctly, will provide helpful ratings. Thank you
2. Find the boiling pressure of acetone (mmHg) at 45 °C using: (b) AHap from Problem 1 (you may also assume that ZV-ZL ~ 1). -, Antoine equation, log10 pat = A- B T+C where Pat is in mmHg and T is in °C. For acetone between -13 and 55 °C: A = 7.11714, B = 1210.6, and C=229.66. (c) ( > "Shortcut" equation log10 Pat a² = (1 + w) (1 - // ) For acetone: T=508.2 K, P = 4.701 MPa, w=0.306.
EVALUATION OF MASS DIFFUSIVITY Find the diffusivity of CO, in N2 at 30°C and 740 mm Hg. Find the diffusivity of benzene vapor in air at 600C and 120 kPa Find the diffusivity of isopropyl alcohol in liquid water at 45°C

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