EQ 29: Predict the enthalpy, entropy, and free energy change for reactions. 00 ta a) Describe the enthalpy change for this reaction step. b) Describe the entropy change for this reaction step. c) Describe the free energy change for this reaction step at 25 °C.

EQ 29: Predict the enthalpy, entropy, and free energy change for reactions. 00 ta a) Describe the enthalpy change for this reaction step. b) Describe the entropy change for this reaction step. c) Describe the free energy change for this reaction step at 25 °C.

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter10: Entropy And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 8CO

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Concept explainers

Potentiometric Titrations

Potentiometric titration is one of the important titration methods and is mainly carried out to characterize acid solutions. It follows a method similar to that of the normal titration technique, but the main difference is that there is no indicator used in the potentiometric titrations. Instead of using an indicator, electrodes are employed for monitoring the whole titration process. A scientist named Robert Behrend did the potentiometric titration for the first time, and it was done using the mercurous solution and potassium chloride.

Question

FQ 29: Predict the enthalpy, entropy, and free energy change for reactions.
ta
a) Describe the enthalpy change for this reaction step.
b) Describe the entropy change for this reaction step.
c) Describe the free energy change for this reaction step at 25 °C.
hanisms for the

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Step 1: Enthalpy, entropy, and free energy

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Step 2: Enthalpy change of the reaction

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Step 3: Entropy change for the reaction

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Step 4: Free energy change

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