The following initial rates data were obtained for 5Bri_ + Br031-+ 6H1+ 3Br2 + 3

Question

The following initial rates data were obtained for 5Bri_ + Br031-+ 6H1+ 3Br2 + 3H20 1 0.240 0.250 0.2503.49e-02 2 0.360 0.250 0.250 5.23e-02 3 0.240 0.500 0.250 6.98e-02 4 0.240 0.2500.625 2.18e-01 What are the reactant orders? Order of Br1-= 1 Order of BrO3 Order of H1+ = what are the units of the rate constant. Use exponents but no superscript. Separate M and s with a space. For example, use M-5 s-2 to indicate M-5-s-2. M-3s-1 What is the value of the specific rate constant for the reaction (no units)? Hint: the rate constant for the reaction is not the same as the rate constant for the disappearance of Bri-. k = 9.30

Explanation / Answer

Choose any point for k

choose point 1:

Rate = k*[Br-][BrO3-][H+]^2

then

(3.49*10^-2) = k*(0.24*0.25)*(0.25^2)

k = (3.49*10^-2)/((0.24*0.25)*(0.25^2))

k = 9.3066

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