Hydrogen iodide forms from hydrogen and iodine:

The following figure shows the increase in hydrogen iodide concentration under appropriate experimental conditions.

(a) Write an expression for the rate of reaction in terms of a changing concentration.

(b) Calculate the average rate of reaction between 20 and 60 seconds.

(c) Calculate the instantaneous rate of reaction after 40 seconds.

(d) Calculate the initial rate of reaction.

(e) Calculate the instantaneous rate of consumption of hydrogen 60 seconds after the start of the reaction.

Transcribed Image Text:

H(g) + 1(g) 2HI(g)