Time (s) 390 777 1195 3155 Total Pressure (mmHg) 408 488 562 799 931
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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Question
The following data were reported [from C. N. Hinshelwood and P. J. Ackey,
Proc. R. Soc. (Lond).,A115, 215] for a gas-phase constant-volume decomposition of dimethyl ether at 504oC in a batch reactor. Initially, only ( CH3)2Owas present.
(a)Why do you think the total pressure measurement at t=0 is missing? Can you estimate it?
(b)Assuming that the reaction(CH3 )2O→ CH4+H2+CO is irreversible and goes virtually to completion, determine the reaction order and specific reaction rate k.
(c)What experimental conditions would you suggest if you were to obtain more data?
(d)How would the data and your answers change if the reaction were run at a higher temperature? A lower temperature?
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