$K_{a}$ $K_a$ (fugacity)

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Jul 24, 2020, 6:28:07 PM

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Dec 14, 2013, 6:35:34 AM

K_{a} = \frac{({ˆ a}_{C}^{c}) ({ˆ a}_{D}^{d})}{({ˆ a}_{A}^{a}) ({ˆ a}_{B}^{b})} = \prod i {({ˆ a}_{i})}_{i}^{v_{i}}

$K_a = (( hata_C^c ) ( hata_D^d )) / (( hata _A^a ) ( hata_B^b )) = prod_i (hata_i)^(v_i)$

activity of component

$"activity of component"$ a_A

activity of component

$"activity of component "$ a_B

activity of component

$"activity of component "$ a_C

activity of component

$"activity of component "$ a_D

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For reaction $a A + b B \leftrightarrow c C + d D$ $aA + bB harr cC + dD$ , the Chemical Equilibrium Constant is represented by $K_{a}$ $K_a$ . This relationship is built upon the activity of each component i in the reaction.

${ˆ a}_{i}$ $hata _i$ = the activity of component i = $\frac{{ˆ f}_{i}}{{. f}_{i}}$ $hatf_i / dotf_i$ where:

${ˆ f}_{i}$ $hatf_i$ = fugacity of component i and

${. f}_{i}$ $dotf_i$ = fugacity of pure i in its standard state

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