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Atkins' Physical Chemistry | 11th Edition | ISBN: 9780198769866 | Authors: Atkins, Peter; De Paula, Julio; Keeler, James ISBN: 9780198769866 2042

Solution for problem P19D.7 Chapter 19D

Atkins' Physical Chemistry | 11th Edition

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Atkins' Physical Chemistry | 11th Edition | ISBN: 9780198769866 | Authors: Atkins, Peter; De Paula, Julio; Keeler, James

Atkins' Physical Chemistry | 11th Edition

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Problem P19D.7

(Continues from Problem P16D.6) Now suppose that the overpotential is in the high overpotential region at all times even though it is oscillating, and that it takes the form of a sawtooth between varying linearly between \(\eta_{-}\) and \(\eta_{+}\) around an average of \(\eta_{0}\), but in such a way that \(\eta\) is always positive. Derive an expression for the variation in the current density across the interface; take \(\alpha=\frac{1}{2}\) .

Text Transcription:

eta_-

eta_+

eta_0

eta

alpha=1/2

Step-by-Step Solution:
Step 1 of 3

Chapter 5: Thermochemistry Week 8 10/6/16 Chapter 5: Thermochemistry Part 2: Energy Basics 5.1 – Energy Basics Thermochemistry – the study of measuring the amount of heat (energy) absorbed or released during a chemical reaction or physical change Energy – the capacity to supply heat or do work Work (w) – the process of causing matter to move against an opposing force Potential Energy – the energy an object has because of its relative position, composition, or condition Ex. – An object on the edge of the table versus one on the floor Kinetic Energy – the energy an object possesses because of its motion Ex. – A toy car rolling down a hill as opposed to one already stopped at the bottom Thermal Energy – kinetic energy associated with the random motion of atoms and molecules Temperature – a quantitative measure of “hot” or “cold” Higher average kinetic energy = higher temperature *FLASHBACK Extensive Property – properties that do depends on the amount of matter present Temperature Intensive Property – properties that do not depend on the amount of matter present Thermal Energy Heat (q) – the transfer of thermal energy between two bodies at room temperatures aka “heat flow” *** Thermal energy naturally flows from objects with high temperature to object with low temperature Exothermic Process – any chemical or physical process that releases heat – “feels hot” Endothermic Process – any chemical or physical pro

Step 2 of 3

Chapter 19D, Problem P19D.7 is Solved
Step 3 of 3

Textbook: Atkins' Physical Chemistry
Edition: 11
Author: Atkins, Peter; De Paula, Julio; Keeler, James
ISBN: 9780198769866

This full solution covers the following key subjects: . This expansive textbook survival guide covers 327 chapters, and 1120 solutions. Atkins' Physical Chemistry was written by Aimee Notetaker and is associated to the ISBN: 9780198769866. The full step-by-step solution to problem: P19D.7 from chapter: 19D was answered by Aimee Notetaker, our top Chemistry solution expert on 04/25/22, 03:45PM. Since the solution to P19D.7 from 19D chapter was answered, more than 205 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Atkins' Physical Chemistry, edition: 11. The answer to “?(Continues from P16D.6) Now suppose that the overpotential is in the high overpotential region at all times even though it is oscillating, and that it takes the form of a sawtooth between varying linearly between \(\eta_{-}\) and \(\eta_{+}\) around an average of \(\eta_{0}\), but in such a way that \(\eta\) is always positive. Derive an expression for the variation in the current density across the interface; take \(\alpha=\frac{1}{2}\) .Text Transcription:eta_-eta_+eta_0etaalpha=1/2” is broken down into a number of easy to follow steps, and 70 words.

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