A first-order reaction is 45% complete at the end of 43 minutes. What is the length of the half-life of this reaction!O 50. minO 37 min○ 2.7 h62 minnone of these

If you have any help please let me know in comment box.

Answered: A first-order reaction is 45% complete…

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...

See similar textbooks

Similar questions

How long will it take for the reaction to be 85% complete if it takes 32.0 min for the concentration of a reactant in a first-order reaction to drop from 0.55 M to 0.42 M at 298 K?
The decomposition of N2O5 to NO2 and O2 is first order, with a rate constant of 4.80 × 10-4/s at 45°C. If the initial concentration of N2O5 is 7.98×10-2 mol/L, what is the concentration of N2O5 after 503 s? How long would it take for the concentration of N2O5 to decrease to 1.00 × 10-2 mol/L from an initial concentration of 7.98×10-2 mol/L?
b The half-life of a reaction, t1/2t1/2, is the time it takes for the reactant concentration [A][A] to decrease by half. For example, after one half-life the concentration falls from the initial concentration [A]0[A]0 to [A]0/2[A]0/2, after a second half-life to [A]0/4[A]0/4, after a third half-life to [A]0/8[A]0/8, and so on. on.
A particular second order reaction has a rate constant of 0.0345 M-1 min-1 and an initial concentration of 0.300 M. What is the half-life of this reaction? 4.35 min 12.0 min 20.1 min 96.6 min
A first-order reaction (A → B) has a half-life of 25 minutes. If the initial concentration of A is 0.80 M, what is the concentration of B after 50 minutes? О 0.20 М O 0.30 M O 0.60 M О0.40 М
A reactant decomposes with a half-life of 179 s when its initial concentration is 0.247 M. When the initial concentration is 0.775 M, this same reactant decomposes with the same half-life of 179 s. What is the order of the reaction? 1 2 What is the value and unit of the rate constant for this reaction? k =
If the initial reactant concentration of a first order reaction is 1.60 M , what would be the concentration after 27 seconds ? Half-life = 9 s. 0.80 M 0.10 M 0.40 M 0.20 M
17
The following reaction is first-order. If the rate constant for the reaction is 5.52 x 10-4 s-1, how much time is needed for 90% of the reactant to decay? Group of answer choices 3.18 minutes 3.02 minutes 69.5 minutes 2.30 seconds
A first-order reaction has a rate constant of 7.5 x 103 s. How many seconds does it take for the reaction to be 39% complete? (Report an integer)
The first-order reaction, SO2C12 → SO2 + Cl2, has a rate constant equal to 2.20 × 10-5 s-1 at 593 K. What percentage of the initial amount of SO2C12 will remain after 9.2 hours? 100% 99.9% 3.88% 48.3% 2.20%
If a reaction involving a single reactant is first order, with a rate constant of 4.50 x 10-2 s¹, how much time is required for 75.0% of the initial quantity of reactant to be used up? O 11.6 seconds O 25.3 seconds O 16.7 seconds O 30.9 seconds O 23.1 seconds

Recommended textbooks for you

Chemistry

ISBN:

9781305957404

Author:

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

Publisher:

Cengage Learning

Chemistry

ISBN:

9781259911156

Author:

Raymond Chang Dr., Jason Overby Professor

Publisher:

McGraw-Hill Education

Principles of Instrumental Analysis

Chemistry

ISBN:

9781305577213

Author:

Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:

Cengage Learning

Chemistry

ISBN:

9781305957404

Author:

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

Publisher:

Cengage Learning

Chemistry

ISBN:

9781259911156

Author:

Raymond Chang Dr., Jason Overby Professor

Publisher:

McGraw-Hill Education

Principles of Instrumental Analysis

Chemistry

ISBN:

9781305577213

Author:

Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:

Cengage Learning

Organic Chemistry

Chemistry

ISBN:

9780078021558

Author:

Janice Gorzynski Smith Dr.

Publisher:

McGraw-Hill Education

Chemistry: Principles and Reactions

Chemistry

ISBN:

9781305079373

Author:

William L. Masterton, Cecile N. Hurley

Publisher:

Cengage Learning

Elementary Principles of Chemical Processes, Bind…

Chemistry

ISBN:

9781118431221

Author:

Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard

Publisher:

WILEY

SEE MORE TEXTBOOKS

A first-order reaction is 45% complete at the end of 43 minutes. What is the length of the half-life of this reaction! O 50. min O 37 min ○ 2.7 h 62 min none of these