For the reaction

CHEMISTRY · Subjective · AP · Chemistry · Kinetics · Kinetics

Problem

For the reaction 2 HI(g)→H2(g)+I2(g)2\,\text{HI}(g) \rightarrow \text{H}_2(g) + \text{I}_2(g), explain why the numerical value of the rate of disappearance of HI is twice the numerical value of the rate of appearance of I2\text{I}_2.

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