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Express the r...

Question

Express the rate for the following reaction in terms of concentration of reactants and products.
$H_{2} (g) + I_{2} (g) \to 2 H I (g)$ .

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Solution

Rate $= - \frac{Δ [H_{2}]}{Δ t} = - \frac{Δ [I_{2}]}{Δ t} = + \frac{1}{2} \frac{Δ [H I]}{Δ t}$ .

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