When the reaction below reached equilibrium the following concentrations were measured [PCl5]=6.2x10^-5 , [PCl3]= 3.1x10^-2 ,...

Question

Question

When the reaction below reached equilibrium the following concentrations were measured

[PCl5]=6.2x10^-5 , [PCl3]= 3.1x10^-2 , [Cl2]= 7.6x10^-2

What is the value of Kc for this reaction? PCl3(g)+Cl2(g)<-->PCl5(g)

science chemistry

Answer 1

Answer #1

The given balanced equilibrium is

For a generic reaction

, the equilibrium constant is expressed as

Hence, for our reaction

Hence, the value of Kc for our reaction is approximately 0.0263.

Answer 2

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