Be sure to answer all parts. Kc for the reaction of hydrogen and iodine to produce...

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Be sure to answer all parts. Kc for the reaction of hydrogen and iodine to produce...

Be sure to answer all parts. Kc for the reaction of hydrogen and iodine to produce hydrogen iodide. H2(g) + I2(g) ⇌ 2HI(g) is 54.3 at 430°C. Calculate the equilibrium concentrations of H2, I2, and HI at 430°C if the initial concentrations are [H2] = [I2] = 0 M, and [HI] = 0.419 M.

[H2] =

[I2] =

[HI] =

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Answer 1

Answer #1

An ICE table is made.


Initial concentration (M)	0	0	0.419
Change in concentration (M)
Equilibrium concentration (M)

The equilibrium constant

This is quadratic equation of type with solution

Negative value is discarded as concentration cannot be negative.

Hence,

The equilibrium concentrations are

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Answer 2

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