Use the data from experiments 2 and 3 in Table 22.5 to

Use the data from experiments 2 and 3 in Table 22.5 to calculate the rate constant for the following reaction.

H2O2(aq) + 2I(aq) + 2H+(aq) → 2H2O(l) + I2(aq)

The rate equation for this reaction is: rate of reaction = k[H2O2] [I]

b. Use the formula t1/2 = 0.693/k to calculate a value for the rate constant of a reaction which is first order and has a half-life of 480 s.

c. A first-order reaction has a rate constant of 9.63 × 10–5 s–1. Calculate a value for the half life of this reaction.

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