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Problem Solving in Chemical and Biochemical Engineering with POLYMATH, by Michael B. Cutlip - University of Connecticut, Mordechai Shacham - Ben-Gurion University of the Negev

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Chapter 4. Problem Solving with Excel

Molar Volume and Compressibility from Redlich-Kwong Equation

Concepts Demonstrated

Analytical solution of the cubic Redlich-Kwong equation for compressibility factor and calculation of the molar volume at various reduced temperature and pressure values.

Numerical Methods Utilized

Solution of a set of explicit equations.

Excel Options and Functions Demonstrated

Explicit solution involving definition of constants and arithmetic formulas, arithmetic functions, creating series, absolute and relative addressing, if statements and logical functions, two-input data tables and XY (scatter) plots.

Problem Definition

The R-K equation is usually written (Shacham et al.)[1]

Equation 4-1. 

where

Equation 4-2. 

Equation 4-3. 

and

P

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