Pt/H₂ (latm.)/NaOH (m)/HgO (s)/Hg; E298K = 0.924 V., E Hg/Hg2+ = -0.854 V.

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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A: For the cell:
418
1
Pt/H₂ (latm.)/NaOH (m)/HgO (s)/Hg; E298K = 0.924 V., EHg/Hg2+ = -0.854 V.
Calculate : 1- Write the electrodes reactions and the cell reaction 2- Standard
electromotive force E 298K, 3- Standard electromotive force E 308K, if the reaction
change in enthalpy (AH)= -35 Kcal. 4- what happen to electromotive force value when
added few amount of nitric acid HNO3 to equivalent to the base NaOH partially?
Transcribed Image Text:A: For the cell: 418 1 Pt/H₂ (latm.)/NaOH (m)/HgO (s)/Hg; E298K = 0.924 V., EHg/Hg2+ = -0.854 V. Calculate : 1- Write the electrodes reactions and the cell reaction 2- Standard electromotive force E 298K, 3- Standard electromotive force E 308K, if the reaction change in enthalpy (AH)= -35 Kcal. 4- what happen to electromotive force value when added few amount of nitric acid HNO3 to equivalent to the base NaOH partially?
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