Gas phase decomposition of hydrogen iodide

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The gas phase decomposition of hydrogen iodide at 700 K

HI(g)½ H2(g) + ½ I2(g)

is second order in HI.

In one experiment, when the initial concentration of HI was 2.00 M, the concentration of HI dropped to 0.434 M after 1.10×103 seconds had passed.

Based on these data, the rate constant for the reaction is________ M-1 s-1.

Reference no: EM131862471

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