The equilibrium constant, Kc, for the following reaction is 55.6 at 698 K. H2 (g) + I2 (g) 2 HI (g) Calculate the equilibrium concentrations of reactants and product when 0.378 moles of H2 and 0.378 moles of I2 are introduced into a 1.00 L vessel at 698 K.

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explanation:

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It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).