4. The decomposition of a certain element was observed over a period of 30 hours and the results were recorded in the table below. What is the order for the reaction and what is the half life for the decomposition? Time(hrs) 0 5 10 15 20 25 30 % Reactant 100 % 75% 50% 37.5 % 25 % 18.8 % 12.5% Present First Order, Half life is 5 hrs Second order. Half life is 5 hrs Second order. Half life is 10 hrs First order. half life is 10 hrs

4. The decomposition of a certain element was observed over a period of 30 hours and the results were recorded in the table below. What is the order for the reaction and what is the half life for the decomposition? Time(hrs) 0 5 10 15 20 25 30 % Reactant 100 % 75% 50% 37.5 % 25 % 18.8 % 12.5% Present First Order, Half life is 5 hrs Second order. Half life is 5 hrs Second order. Half life is 10 hrs First order. half life is 10 hrs

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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