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A solution containing hydrogen peroxide with a mass

Elementary Principles of Chemical Processes | 3rd Edition | ISBN: 9780471687573 | Authors: Richard M Felder ISBN: 9780471687573 143

Solution for problem 11.1 Chapter 11

Elementary Principles of Chemical Processes | 3rd Edition

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Elementary Principles of Chemical Processes | 3rd Edition | ISBN: 9780471687573 | Authors: Richard M Felder

Elementary Principles of Chemical Processes | 3rd Edition

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Problem 11.1

A solution containing hydrogen peroxide with a mass fraction :CpO (kg H20 2/kg solution) is added to a storage tank at a steady rate mo(kg/h). During this process, the liquid level reaches a corroded spot in the tank wall and a leak develops. As the filling continues, the leak rate m! (kg/h) becomes progressively worse. Moreover, once it is in the tank the peroxide begins to decompose at a rate rd(kg/h) = kMp where Mp(kg) is the mass of peroxide in the tank. The tank contents are well mixed, so that the peroxide concentration is the same at all positions. At a time t = 0 the liquid level reaches the corroded spot. Let Mo and Mpo be the total liquid mass and mass of peroxide, respectively, in the tank at that moment, and let M(t) be the total mass of liquid in the tank at any time thereafter. (a) Show that the leakage rate of hydrogen peroxide at any time is mtMp/ M. (b) Write differential balances on the total tank contents and on the peroxide in the tank, and provide initial conditions. Your solution should involve only the quantities mo, ml, xpo, k, M, Mo, Mp , MpO, and t

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Chapter 15: Persuasive Speaking 63 . Define persuasion. Persuasion­ a communication process of converting, modifying or maintaining the attitudes and/or behaviors of others. 64 . What are the primary dimensions of credibility (competence trustworthiness, dynamism, and composure) Credibility­ a judgment made by a perceiver (i.e. a message recipient) concerning the believability of a communicator. ­ Competence­ the audience’s perception of the speaker’s knowledge and experience on a topic. ­ Trustworthiness­ how truthful or honest we perceive the speaker to be. ­ Dynamism­ the enthusiasm, energy and forcefulness exhibited by a speaker. ­ Composure­ being emotionally stable, appearing confident and in control of oneself and remaining calm even when problems arise during a speech. 65 . Identify and discuss how the three Aristotelian modes of proof (ethos, logos, and pathos) are used in persuasive speeches. Ethic­ building an argument based on CREDIBILITY Logos­ building an argument based on LOGIC and EVIDENCE Pathos­ building an argument based on EMOTIONAL APPEALS 66 . Identify and discuss how propositions of fact, value, and policy are used in persuasive speeches. Proposition­ primary, overriding claim for a persuasive speech. ­ Proposition of fact­ alleges a truth (“open carry gun laws would provide significant protection against criminals”) ­ Proposition of value­ calls for a judgment that assesses the worth or merit of an idea, object or practice (“abortion is immoral”) ­ Proposition of policy­ calls for a significant change from how problems are currently handled (“smoking should be banned in all public places”)

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Chapter 11, Problem 11.1 is Solved
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Textbook: Elementary Principles of Chemical Processes
Edition: 3
Author: Richard M Felder
ISBN: 9780471687573

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A solution containing hydrogen peroxide with a mass