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at 675K vapour value is 3.31 x 10^-28 at 875K--------------is 7.18 x 10^-20 at 1075---------------is 1.23 x 10^-24

at 675K vapour value is 3.31 x 10^-28 at 875K--------------is 7.18 x 10^-20 at 1075---------------is 1.23 x 10^-24

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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at 675K vapour value is 3.31 x 10^-28

at 875K--------------is 7.18 x 10^-20

at 1075---------------is 1.23 x 10^-24

For below given chemical reactions: (1) 2Nis) + 02(g) = 2N¡05) AG; = -471200 + 172T (J/mol) (2) C(s) + 02(9) = CO29) AG? = -394100 – 0.84T (J/mol) (3) C5) + 2 O2co) = cO) AG; = -111700 – 87.65T (J/mol) c) Using the calculated equilibrium vapor pressure values in (b), plot the logPO2 - 1/T variation and show the stable regions of Ni and NiO on that diagram.
Transcribed Image Text:For below given chemical reactions: (1) 2Nis) + 02(g) = 2N¡05) AG; = -471200 + 172T (J/mol) (2) C(s) + 02(9) = CO29) AG? = -394100 – 0.84T (J/mol) (3) C5) + 2 O2co) = cO) AG; = -111700 – 87.65T (J/mol) c) Using the calculated equilibrium vapor pressure values in (b), plot the logPO2 - 1/T variation and show the stable regions of Ni and NiO on that diagram.
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