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16.5 Heterogeneous Equilibria: Reactions Involving
To get an experimental value for the equilibrium constant of a reaction is to measure the concentrations of reactants and products in a reaction mixture at equilibrium.
The mea depends on temperature, the sured equilibrium concentrations are H2, I2, and HI.
The equilibrium constant is the same regardless of the initial concentrations.
The equilibrium constant is the same whether we start with only reactants or products.
We have calculated equilibrium constants from the values of the equilibrium concentrations.
The other equilibrium concentrations can be deduced from the analysis of the reaction.
This type of table is referred to as an ICE table.
The space in the middle of the table should be used to determine the concentration changes during the reaction.
Changes in reactants' concentrations are negative because they are consumed during the reaction.
The changes in their concentrations are positive since products are formed.
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