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The Prandtl number, Npr, is a dimensionless group

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

Solution for problem 2.22 Chapter 2

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 2.22

The Prandtl number, Npr, is a dimensionless group important in heat transfer calculations. It is defined as Cpf-L/ k, where Cp is the heat capacity of a fluid, f-L is the fluid viscosity, and k is the thermal conductivity. For a particular fluid, Cp = 0.583 J/(g'0C), k = 0.286 W/(m.0C), and f-L = 1936 lbm/(fth). Estimate the value of NPr without using a calculator (remember, it is dimensionless), showing your calculations; then determine it with a calculator.

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Chapter 17: Aspects of Aqueous Equilibria Strong electrolytes exist as separate ions in solution The Common-Ion Effect  Consider a solution of acetic acid  If acetate ion, CH COO , is added to the solution, LeChatelier says the 3 equilibrium will shift to the left, meaning the formation of acetic acid will be favored and the H concentration will decrease  “The extent of ionization of a weak electrolyte is decreased by adding a strong electrolyte to solution that has an ion in common with the weak electrolyte”  Common ion equilibrium problems are solved similarly to other equilibrium problems (ICE tables)  However, the initial concentration of the common ion (from the salt) must be considered Buf

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Chapter 2, Problem 2.22 is Solved
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Textbook: Elementary Principles of Chemical Processes
Edition: 3
Author: Richard M Felder
ISBN: 9780471687573

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The Prandtl number, Npr, is a dimensionless group