When the following molecular equation is balancedusing the smallest possible integer coefficients, thevalues of these coefficients are:sulfur (s) +1 carbon monoxide (g) -sulfur dioxide (g) +carbon (s)A) 2121B 12121111D) 0110

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Answered: When the following molecular equation…

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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The saturation pressure for vapor–liquid equilibria for a given species is fitted tothe Antoine equation, ln (Pvap/Pref) = c1 - c2/(T + c3), where c1, c2, and c3 arematerial-specific constants. Assume the vapor obeys the equation of state P+NkBT/(V - Nb), where b is another constant that modifies the ideal gas expressionto account for molecular volume.(a) Write an expression for the enthalpy of vaporization as a function oftemperature.
The standard enthalpy of combustion of solid urea (CO(NH2)2) is – 632 kJ mol-1at 298 K and its standard molar entropy is 104.60 J K-1 mol-1. Calculate the Gibbs energy of formation of urea at 298 K using ΔHf° and S° data given in Table 1 at the end of the Thermodynamics Notes.
You must base your solutions for this problem on vapor pressure correlations in the form of Antoine's Equation In psat 1 mm Hg with the following parameter values: Compound i benzene toluene Ethylbenzene n-propylbenzene n-butylbenzene A₁ 15.9008 16.0137 16.0195 16.0062 16.0793 B₁ A₁ T+ Cu T+C₁ B₁ 2788.51 3096.52 3279.47 3433.84 3633.40 G₁ -52.36 -53.67 -59.95 -66.01 -71.77 T is in Kelvin and Pat is in mm Hg. Note that more data is given than needed to solve the problem. (As is often the case when looking up data...) a) Calculate and plot the Txy phase diagram for vapor-liquid equilibria of binary mixtures of benzene (light) and ethylbenzene (heavy) at atmospheric pressure. Assume validity of Raoult's law. b) Use your results from part a) to plot the xy equilibrium curve for vapor-liquid equilibria of binary mixtures of benzene and ethylbenzene at atmospheric pressure. Remember that the plots are to use mole fraction of the lighter component as their axes. Banzane *
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.
enthalpy given a non-ideal gas equation of state Consider a gas that demonstrates the following equation of state: P(V - b) = RT Determine if enthalpy is only a function of T (like if a gas is ideal) or if it is a function of both T and P. solution guide: 1. Obtain the exact differential of H with respect to T and P. 2. Derive the exact differential to an equation which has Cp and 3. Obtain (3) P from the equation of state above. ат av and state your final answer. 4. Plug (37) p.
QUESTION 4 A sample consisting of 3.00 mol He undergoes free expansion isothermally at 25°C from 20.5 L to 35.5 L. Calculate q, w, AU and AH (all unit J). Please enter your answers using scientific notation with 3 significant figures. If the answer is negative, please do not forget the negative sign. If answer is zero, please just enter 0 without decimal. (1) q= (2) w= (3) AU= (4) ΔΗ=
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.
(a) The ideal gas equation of state is a fairly simple expression of the relationship between the physical properties of a gas. In Module 4, we will consider some other equations of states, one of which is the van der Waals equation of state, (? + a n2/ v2) (V-nb)=nRT where a and b are constant coefficients for a given substance, and P, V, T, and n have their usual meaning. Find the partial derivative (P/T)v for this equation of state . b) Mathematically, it is known that for three variables that are related to one another (as P, Vm, and Tare here) by a function (or equation of state), one can show (??/??)z (??/??)x (??/??)y =−1 (note the cyclic variation of the three variables).Using this relationship, and the definitions of kT(coefficient of isothermal compressibility) and a (coefficient of isobaric thermal expansibility), find a simple equation relating the van der Waals parameter, b, to Vm, a, and kT. (For a discussion of this sort of…
Consider the situation where a binary liquid mixture (assume ideal solution) is slowly cooled at constant pressure until it begins to solidify. At the phase equilibrium between the solution and crystal, the chemical potentials of the solvent in each phase must be equal: u** (T,P)= µ"(T,P)+ k;Tlnx ... Equation (1) X, L denotes the crystal and liquid phase, respectively. Since Au = µ*L **: | Aµ = -kgTlnx ... Equation (2) Can you apply Equation (2) at non-phase change temperatures? Why?
Answer only letter a
2. The vapor pressure of tetrachloromethane (tcm) and trichloroethylene (tce) can be expressed as the following functions of T (°C) in the range between the boiling point of pure tem (76.7°C) and tce (87.2°C): 2790.78 In(Picm/torr) × 15.8401 T + 226.4 2345.4 In(Pice/torr) 15.0124 – T + 192.7 Use the information to answer the following questions about a tcm+tce mixture. a. Make a graph of T vs. Xtce and Yice (similar to Figure 24.5) and use this graph to calculate the answers to questions b-d. (Hint: see Example 24-5 on page 975 and lecture slides) b. What is the normal boiling point of the mix when the mole fraction of tce is 0.6 (xtce = 0.6)? c. At the boiling point calculated in (b), what are the mole fractions of tcm and tce (Ytcm and ytce) in the vapor? d. What is the normal boiling point of the condensate of the vapor in (c)?
1. Prove the following relation: RT P MWt C(ppm): C(µg/cm³ Where T is the Temperature, P is the pressure, R is the gas constant, C(ppm) is the concentration od species i in ppm, and C(mg/m³) is the concentration of species i in mg/m³

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When the following molecular equation is balanced using the smallest possible integer coefficients, the values of these coefficients are: sulfur (s) + carbon monoxide (g)- sulfur dioxide (g) + carbon (s)