1) Compound A reacts in a first order process. The rate constant for the reactio

Question

1) Compound A reacts in a first order process. The rate constant for the reaction is determined by experiment to be 0.029s-1. How many seconds will it take for the amount of A to decrease to 1/4 of its original amount?

2) NOBr decomposes in a second-order reaction.

3) Which of these statements is/are true?

a)The overall order for the rate law, rate = k[A]2[B] is 3.

b)The half-life of a second order reaction is constant.

c)The rate law of a reaction can be determined from the balanced equation.

d)For a first order reaction, when the concentration is halved, the rate is also halved.

Thanks, any help is appreciated!

Explanation / Answer

1) Compound A reacts in a first order process. The rate constant for the reactio

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