Question: PLEASE ANSWER ALL PARTS!!! Part A) The rate constant for a certain reaction is k = 2.8010 3 s1 . If the initial reactant concentration

PLEASE ANSWER ALL PARTS!!!

Part A)

The rate constant for a certain reaction is k = 2.8010³ s1 . If the initial reactant concentration was 0.950 M, what will the concentration be after 19.0 minutes?

Express your answer with the appropriate units.

Part B)

A certain first-order reaction (Aproducts) has a rate constant of 3.6010³ s1 at 45 C. How many minutes does it take for the concentration of the reactant, [A], to drop to 6.25% of the original concentration?

Express your answer with the appropriate units.

Part C)

A certain second-order reaction (Bproducts) has a rate constant of 1.2510³ M1s1 at 27 C and an initial half-life of 292 s . What is the concentration of the reactant BB after one half-life?

Express your answer with the appropriate units.

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