I Review | Constants | Periodic TableThe half-life of a reaction, t12, is the time it takesfor the reactant concentration [A to decrease byhalf. For example, after one half-life theconcentration falls from the initial concentration[A]o to [A]o/2, after a second half-life to [A]o/4:after a third half-life to Alo /8, and so on. on.ValueminSubmitPart BA certain second-order reaction (B→products) has a rate constant of 1.80x103 M-s-1 at 27°C and aninitial half-life of 246 s. What is the concentration of the reactant B after one half-life?Express your answer with the appropriate units.• View Available Hint(s)HAValueM國 Review | Constants | Periodic TableThe half-life of a reaction, t1/2. is the time it takesfor the reactant concentration A to decrease byhalf. For example, after one half-life theconcentration falls from the initial concentration[A]o to [A]o/2, after a second half-life to [A]o/4;after a third half-life to [Ao/8, and so on. on.For a first-order reaction, the half-life is constant. It depends only on the rate constant k and not on the reactantconcentration. It is expressed as0.693t1/2For a second-order reaction, the half-life depends on the rate constant and the concentration of the reactant andso is expressed ast1/2 =Part AA certain first-order reaction (A→products) has a rate constant of 3.60x103s at 45 °C. How manyminutes 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.> View Available Hint(s)HAValuemin

Answered: Image /qna-images/answer/2f3f1175-a18d-44ab-b3ec-e3693374b7d6.jpg

Part A A certain first-order reaction (A-→products) has a rate constant of 3.60x10-3s 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. ble Hinle)

Part A A certain first-order reaction (A-→products) has a rate constant of 3.60x10-3s 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. ble Hinle)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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