The disproportionation of hydrogen iodide, 2HI(g)-->H2(g)+I2(g), is an example of first order kinetics. (i) Write the...

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The disproportionation of hydrogen iodide, 2HI(g)-->H2(g)+I2(g), is an example of first order kinetics.

(i) Write the rate law for this reaction.

(ii) what are the units of k, the rate constant? Show how you determined the units

(iii) Prepare a plot (sketch) of the [HI] versus time.

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