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2. Kinetic experiments have been carried out in a batch reactor in the laboratory at two different temperatures, 25°C and 65°C. It was found that 58.1% of conversion was achieved within 1 minute @ 65°C and 60% conversion was achieved in 10 minutes at 25°C. Calculate the values of EA and ko for the forward and backward rate constants knowing that equilibrium conversions are 89% and 98% at 65°C and 25°C, respectively. Clues for Solution: 1. You will need to use the Arrhenius expressions for the forward and backward reactions at the two temperatures. 2. Use the equation for -rA for the rate of disappearance of A using forward and backward reactions. Interim answer: EA for the forward reaction is approx. 48 kJ mol¹¹.

2. Kinetic experiments have been carried out in a batch reactor in the laboratory at two different temperatures, 25°C and 65°C. It was found that 58.1% of conversion was achieved within 1 minute @ 65°C and 60% conversion was achieved in 10 minutes at 25°C. Calculate the values of EA and ko for the forward and backward rate constants knowing that equilibrium conversions are 89% and 98% at 65°C and 25°C, respectively. Clues for Solution: 1. You will need to use the Arrhenius expressions for the forward and backward reactions at the two temperatures. 2. Use the equation for -rA for the rate of disappearance of A using forward and backward reactions. Interim answer: EA for the forward reaction is approx. 48 kJ mol¹¹.

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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2. Kinetic experiments have been carried out in a batch reactor in the laboratory at two different temperatures, 25°C and 65°C. It was found that 58.1% of conversion was achieved within 1 minute @ 65°C and 60% conversion was achieved in 10 minutes at 25°C. Calculate the values of EA and ko for the forward and backward rate constants knowing that equilibrium conversions are 89% and 98% at 65°C and 25°C, respectively. Clues for Solution: 1. You will need to use the Arrhenius expressions for the forward and backward reactions at the two temperatures. 2. Use the equation for -rA for the rate of disappearance of A using forward and backward reactions. Interim answer: EA for the forward reaction is approx. 48 kJ mol¹¹.
Transcribed Image Text:2. Kinetic experiments have been carried out in a batch reactor in the laboratory at two different temperatures, 25°C and 65°C. It was found that 58.1% of conversion was achieved within 1 minute @ 65°C and 60% conversion was achieved in 10 minutes at 25°C. Calculate the values of EA and ko for the forward and backward rate constants knowing that equilibrium conversions are 89% and 98% at 65°C and 25°C, respectively. Clues for Solution: 1. You will need to use the Arrhenius expressions for the forward and backward reactions at the two temperatures. 2. Use the equation for -rA for the rate of disappearance of A using forward and backward reactions. Interim answer: EA for the forward reaction is approx. 48 kJ mol¹¹.
Tutorial 2, Question 2 Forward reaction of AR: E A.f = -1 48,519J mol-¹; kf,o = 2.968 × 107 min Backward reaction of A → R: -1 EA,b = 86,221J mol-¹ ;kbo = 2.46 × 10¹² min
Transcribed Image Text:Tutorial 2, Question 2 Forward reaction of AR: E A.f = -1 48,519J mol-¹; kf,o = 2.968 × 107 min Backward reaction of A → R: -1 EA,b = 86,221J mol-¹ ;kbo = 2.46 × 10¹² min
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