Question

Chemical kinetics unit t of half life of zero order reaction

Answer 1

this instance, the half-life is decreased when the original concentration is reduced to 1.0 M. The new half-life is 80 seconds. Reaction B represents a zero-order reaction because the units are in M/s.



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Answer 2

Answer:

A reaction's half life (t1/2) is the time it takes for a reactant's concentration to drop to half that of its original concentration.

Explanation:

Zero order reaction:

• The sign 't1/2' stands for half-life. The half-life is determined by the rate constant as well as the initial concentration of the reactant, as shown in the equation above.

• t1/2for a zero order reaction = 2k[R]₀

         where [R]₀= initial concentration , k= rate constant.

• The unit of rate constant for a zero-order reaction is the same as the unit of reaction rate. It's either sM or L-smol. The unit of rate constant for a first order reaction is s1 or min1.

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