At some temperature, the rate constant for the decomposition of HI on a gold surface is 0.080 mol L^-1 s^-1 : 2 HI(g) H2(g) + I2 β (g)
(a) What is the order of reaction?
(b) How long will it take for the concentration of HI to drop from 1.50 mol L^-1 to 0.30 mol ?
(c) The gold surface acts as a heterogeneous catalyst. Describe the four steps involved in this
reaction.
Answers: 2
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