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 & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter14: Chemical Kinetics: The Rates Of Chemical Reactions
Section14.4: Concentration-time Relationships: Integrated Rate Laws
Problem 3RC: 3. The equation for the decomposition of NO2(g) at 573 K is 2 NO2(g) → 2 NO(g) + O2(g). Using the...
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