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The formation of NO from Na and O is to be carried out in a small batch reactor. As a flrst approximation, we shall consider that the reaction time is more rapid than the time of cylinder compression, consequently, the reaction takes place isothermally in car cylinder at 2700 K, in a constant volume reactor (cylinder) and under a pressure of 20 atm, the initial concentration of Na is 0.0696 mol/liter. By a specifying constant volume, we are assuming that reaction take place rapidly with respect to the movement of the piston in the cylinder. Consider that the feed consists of 77% N2, 15% O, and 8% other gases, which may be considered inert. At this temperature the equilibrium constant (Ke-0.01). The reaction is reversible: Na + 0, + 2NO With a rate equation: Cho -TN, = k(CN, Co, Ke Calculate: a) The equilibrium conversion of N2. b) The time required to achieve 80% of the equilibrium conversion. The formation reaction rate liter constant k at this temperature is 1.11 mot.h

The formation of NO from Na and O is to be carried out in a small batch reactor. As a flrst approximation, we shall consider that the reaction time is more rapid than the time of cylinder compression, consequently, the reaction takes place isothermally in car cylinder at 2700 K, in a constant volume reactor (cylinder) and under a pressure of 20 atm, the initial concentration of Na is 0.0696 mol/liter. By a specifying constant volume, we are assuming that reaction take place rapidly with respect to the movement of the piston in the cylinder. Consider that the feed consists of 77% N2, 15% O, and 8% other gases, which may be considered inert. At this temperature the equilibrium constant (Ke-0.01). The reaction is reversible: Na + 0, + 2NO With a rate equation: Cho -TN, = k(CN, Co, Ke Calculate: a) The equilibrium conversion of N2. b) The time required to achieve 80% of the equilibrium conversion. The formation reaction rate liter constant k at this temperature is 1.11 mot.h

Introduction to Chemical Engineering Thermodynamics
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 formation of NO from Na and O is to be carried out in a small batch reactor. As a first approximation, we shall consider that the reaction time is more rapid than the time of cylinder compression, consequently, the reaction takes place isothermally in car eylinder at 2700 K, in a constant volume reactor (cylinder) and under a pressure of 20 atm, the initial concentration of N2 is 0.0696 mol/liter. By a specifying constant volume, we are assuming that reaction take place rapidly with respect to the movement of the piston in the cylinder. Consider that the feed consists of 77% N2, 15% Oz and 8% other gases, which may be considered inert. At this temperature the equilibrium constant (Ke-0.01). The reaction is reversible: Na + 0z + 2NO With a rate equation: Cho -TN, = k ( CN, Co, Ke Calculate: a) The equilibrium conversion of N2. b) The time required to achieve 80% of the equilibrium conversion. The formation reaction rate- constant k at this temperature is 1.11 liter mol.h' Hint: dx Jo ax2+bx+c -In(4.P); b2 > 4ac; px-q a(p-q) -BFVD-4ac where, p, q = 2a
Transcribed Image Text:The formation of NO from Na and O is to be carried out in a small batch reactor. As a first approximation, we shall consider that the reaction time is more rapid than the time of cylinder compression, consequently, the reaction takes place isothermally in car eylinder at 2700 K, in a constant volume reactor (cylinder) and under a pressure of 20 atm, the initial concentration of N2 is 0.0696 mol/liter. By a specifying constant volume, we are assuming that reaction take place rapidly with respect to the movement of the piston in the cylinder. Consider that the feed consists of 77% N2, 15% Oz and 8% other gases, which may be considered inert. At this temperature the equilibrium constant (Ke-0.01). The reaction is reversible: Na + 0z + 2NO With a rate equation: Cho -TN, = k ( CN, Co, Ke Calculate: a) The equilibrium conversion of N2. b) The time required to achieve 80% of the equilibrium conversion. The formation reaction rate- constant k at this temperature is 1.11 liter mol.h' Hint: dx Jo ax2+bx+c -In(4.P); b2 > 4ac; px-q a(p-q) -BFVD-4ac where, p, q = 2a
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