K_a (Chemical Equilibrium Constant )

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Equation / Last modified by mike on 2015/07/29 08:17
`K_a = `
DavidC.K_a (Chemical Equilibrium Constant )

The Chemical Equilibrium Constant represented by `K_a` can be expressed therefore in terms of system Pressure and the mole fraction of component i in the gas.   For reaction `aA + bB harr cC +dD`, for mixtures of ideal gases,  the partial pressure of component i is equal to the fugacity of component i. The relationship is expressed in the definition of partial pressure of the component i such that:

       `hatf_i` = `y_iP` = `p_i`    where:

             `hatf_i` = fugacity of component i  ,

             `y_i` = mole fraction of component i in the gas, and

             `P` = system Pressure