Use the data from experiments 2 and 3 in Table 22 5 to calculate the rate constant for the following reaction H 2 O 2 (aq) 2I (aq) 2H (aq) 2H 2 O(l) I 2 (aq) The rate equation for this reaction is rate of reaction k H 2 O 2 I b Use the formula t 1 2 0 693 k to calculate a value for the rate constan...

Question 1 Answer Given rate for the given reaction rate kH 2 O ...

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

Question:

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 t_1/2 = 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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Use the data from experiments 2 and 3 in Table 22.5 to calculate the rate constant for

Question:

Experiment [H,0,1/ mol dm-3 []/ moldm-3 [H*]/ mol dm-3 Initial rate of reaction/moldm-3s-1 0.0200 0.0100 0.0100 3.50 x 10-6 2 0.0300 0.0100 0.0100 5.30 x 10-6 0.0050 0.0200 0.0200 1.75 x 10-6

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Cambridge International AS And A Level Chemistry Coursebook

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