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Unformatted text preview: because a lower energy state is favored. The change in energy looks large on the graph so the product concentrations are much larger than the reactant concentrations and K is large. 17.6 No, the value of Q is determined by the mass action expression with arbitrary concentrations for products and reactants. Thus, its value is not constant. 17.7 The equilibrium constant expression is K = [O2]. If the temperature remains constant, K remains constant. If the initial amount of Li2O2 present was sufficient to reach equilibrium, the amount of O2 obtained will be constant, regardless of how much Li2O2(s) is present. 17.8 On the graph, the concentration of HI increases at twice the rate that H2 decreases because the stoichiometric ratio in the balanced equation is 1 H2 : 2 HI....
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This note was uploaded on 03/14/2012 for the course CHEN 654 taught by Professor Nimos during the Winter '12 term at Beaufort County Community College.
- Winter '12