The integrated rate law is an equation that describes the concentration of a rea

Question

The integrated rate law is an equation that describes the concentration of a reactant over time (t). The integrated rate law comes in different forms depending on the reaction order. The rate laws below are given for a simple general reaction In a study of the decomposition of the compound X via the reaction X(g) Y(g) + Z(g) the following concentration-time data were collected: What is the order of the reaction? The reaction is second order. Given that the rate constant for the decomposition of hydrogen iodide is 1.60 M-1 . min-1, calculate the concentration of X after 17.0 min. Express the molar concentration numerically.

Explanation / Answer

What is X in the given problem. Any way decomposition of HI is the second orderreaction. Since the reactant is single then for this second orderreaction K = x / [ ta(a-x) ] Where a = initial concentration of reactant       (a-x ) = concentration of thereactant after time t     x = a - ( a-x) Rate constant = K = 1.6 M^-1 min ^-1 We want requir the initial concentration of the HI then onlywe can calculate the x or (a-x).

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