1 markRates of Reaction
CAPE Chemistry Unit 1 · 2017 · Paper 1 · Question 19
The rate equation for the reaction 2HI(g) → H₂(g) + I₂(g) is Rate = k[HI]². At 629 K and a concentration of 2.0 mol dm⁻³, the rate of decomposition of HI = 24.0 x 10⁻⁵ mol dm⁻³s⁻¹.
What is the rate constant for the reaction at 629 K?
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