071008

# 071008 - Calculating Equilibrium Concentrations The value...

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Calculating Equilibrium Concentrations y The value of K for the reaction: { O 2 (g) O 3 (g) y is 1.7 x 10 -56 at 25 o C. Do you expect pure air to contain much O 3 when O 2 and O 3 are at equilibrium at 25 o C? If the equilibrium concentration of O 2 in air at 25 o C is 8.0 x 10 -3 M, what is the equilibrium concentration of O 3 ?

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Equilibrium Concentrations

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Equilibrium Concentrations y At a certain temperature, the reaction: { PCl 5 (g) PCl 3 (g) +Cl 2 (g) y Has an equilibrium constant of 5.8 x 10 -2 . Calculate the equilibrium concentrations of all species, if initially only PCl 5 is present in a concentration of 0.160 M.
Equilibrium Concentrations y At a lower temperature, the reaction: { PCl 5 (g) PCl 3 (g) +Cl 2 (g) y Has an equilibrium constant of 5.8 x 10 -5 . Calculate the equilibrium concentrations of all species, if initial concentrations of [PCl 5 ] is 0.200 M.

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Equilibrium Concentrations y
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071008 - Calculating Equilibrium Concentrations The value...

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