The mixture pressure affects the equilibrium

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Unformatted text preview: are given approximately by Raoult's law, expressed as Pi,gas side y i,gas side Ptotal y i,liquid side Pi,sat 1T2 This equation shows that combustion processes are less complete at higher temperatures since KP decreases with temperature for exothermic reactions. Two phases are said to be in phase equilibrium when there is no transformation from one phase to the other. Two phases where Ptotal is the total pressure of the mixture, Pi,sat(T) is the saturation pressure of species i at the mixture temperature, and yi,liquid side and yi,gas side are the mole fractions of species i in the liquid and vapor phases, respectively. REFERENCES AND SUGGESTED READINGS 1. R. M. Barrer. Diffusion in and through Solids. New York: Macmillan, 1941. 2. I. Glassman. Combustion. New York: Academic Press, 1977. 3. A. M. Kanury. Introduction to Combustion Phenomena. New York: Gordon and Breach, 1975. 4. A. F. Mills. Basic Heat and Mass Transfer. Burr Ridge, IL: Richard D. Irwin, 1995. 5. J. M. Smith and H. C. Van Ness. Introduction to Chemical Engineering Thermodynamics. 3rd ed. New York: John Wiley & Sons, 1986. 6. K. Wark and D. E. Richards. Thermodynamics. 6th ed. New York: McGraw-Hill, 1999. Chapter 16 PROBLEMS* KP and the Equilibrium...
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