Consider the reversible reaction for the dissociation of hydrogen iodide to yield hydrogen and iodine.  The initial concentration of each of the three chemicals is 0.500 M. At equilibrium, the concentration of HI is 1.17 M.  What is the value of K for this reaction at 445oC? (If all of the concentrations are concentrations at equilibrium, then they can be put directly into the equation for K.  If some are the concentrations are initial concentrations, then an ICE Table must be used to find the equilibirum concentrations for all chemicals, and then these values can be used in the equation to calculate K.)

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Chapter1: Chemical Foundations
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Consider the reversible reaction for the dissociation of hydrogen iodide to yield hydrogen and iodine.  The initial concentration of each of the three chemicals is 0.500 M. At equilibrium, the concentration of HI is 1.17 M.  What is the value of K for this reaction at 445oC? (If all of the concentrations are concentrations at equilibrium, then they can be put directly into the equation for K.  If some are the concentrations are initial concentrations, then an ICE Table must be used to find the equilibirum concentrations for all chemicals, and then these values can be used in the equation to calculate K.)

   

125

   

0.04

   

0.02

   

50

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