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05) Equations of State 9-11 - Gas Laws and Equations of...

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Gas Laws and Equations of State Sept 11
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Pressure volume diagrams Pure substance: Fig 2-9 Two-component mixture: Fig 2-19 These graphs show one iso-therm (iso- therm is a line of constant temperature) When a number of iso-therms are put together, the saturation envelope is visible.
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Pressure composition diagram Fig 2-21 (single temp), Fig 2-22 (multiple temp) Equilibrium tie-line: the line which ties the composition of the liquid with the composition of the gas in equilibrium Tie-lines are horizontal for two-component mixtures Length of the tie-lines represent the quantities of gas and liquid at equilibrium Ex 2-7
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Ternary Diagrams Point 1 is 100% component B Point 2 is 30%A, 70%C What is the composition of mixture 3? What is the component of mixture 7?
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3 Component Phase Diagram One diagram for each temperature, pressure combination What is component 1? What is the mol fraction of gas of component 1 at these conditions?
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Terminology Mass and Weight (equal at sea level) are
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