Homework 4_solutions_

Homework 4_solutions_ - Homework 4 Solutions 1. The...

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Unformatted text preview: Homework 4 Solutions 1. The equilibrium expressions involving concentration, solids and liquids are not included. This is because, for an ideal solution, the activity of a component is the ratio of its concentration to the standard concentration of 1M. The general description of the equilibrium condition was proposed by Goldberg and Waage for the reaction of the type: nD lC kB jA + + k d k l [B] [A] [D] [C] Kc = The reaction gives to us: 3(s) 2 2(g) (s) O Fe O Fe + First balance the chemical reaction. The balanced chemical reaction is: Now, based on the above concepts, the equilibrium expression for The given reaction is: 3 2 1 1 1 1 Kc ] [ O = 3 2 ] [O 1 Kc = 2. The equilibrium constant in terms of partial pressures is expressed as K p. When writing expressions involving partial pressures, solids and liquids are not included. This is because, for gas in an ideal mixture, the activity of each component is taken to be the ratio of its partial pressure to the Standard pressure of 1 atm. For a pure liquid and pure solid, this ratio is 1....
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This homework help was uploaded on 04/10/2008 for the course CHEM 1036 taught by Professor Amateis during the Spring '08 term at Virginia Tech.

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Homework 4_solutions_ - Homework 4 Solutions 1. The...

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