Although iodine is not very soluble in pure water, it dis- solves readily in water that contains I¯(aq) ion, thanks to the reaction I2 (aq) + I¯(aq) 25 (aq) The equilibrium constant of this reaction was measured as a function of temperature with these results: T: 3.8°C 15.3°C 25.0°C__35.0°C 50.2°C K: 1160 841 689 533 409 (a) Plot In K on the y axis as a function of 1/T, the recip- rocal of the absolute temperature. (b) Estimate the AH° of this reaction.

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
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Although iodine is not very soluble in pure water, it dis-
solves readily in water that contains I¯(aq) ion, thanks to
the reaction
I2 (aq) + I¯(aq) 25 (aq)
The equilibrium constant of this reaction was measured as
a function of temperature with these results:
T:
3.8°C
15.3°C 25.0°C__35.0°C 50.2°C
K:
1160
841
689
533
409
(a) Plot In K on the y axis as a function of 1/T, the recip-
rocal of the absolute temperature.
(b) Estimate the AH° of this reaction.
Transcribed Image Text:Although iodine is not very soluble in pure water, it dis- solves readily in water that contains I¯(aq) ion, thanks to the reaction I2 (aq) + I¯(aq) 25 (aq) The equilibrium constant of this reaction was measured as a function of temperature with these results: T: 3.8°C 15.3°C 25.0°C__35.0°C 50.2°C K: 1160 841 689 533 409 (a) Plot In K on the y axis as a function of 1/T, the recip- rocal of the absolute temperature. (b) Estimate the AH° of this reaction.
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