In the presence of excess thiocyanate 1on, SCN, the following reaction is first order in chromium(III) ion, Cr, the rate constant is 4.0 x 10 6/s.Cr+ (ag) + SCN (ag)Cr(SCN)²+(ag)a What is the half-life in hours?1/2hrb. How many hours would be required for the initial concentration of Cr to decrease to 25.0% left?25% left =hrHow many hours would be required for the initial concentration of Cr to decrease to 12,5% left?12.5% left =hrd. How many hours would be required for the initial concentration of Cr" to decrease to 6.25% left?F6.25% left =hr2. How many hours would be required for the initial concentration of Cr*" to decrease to 3 125% left?3.125 leftt =hr

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In the presence of excess thiocyanate ion, SCN, the following reaction is first order in chromium(III) ion, Cr ; the rate constant is 4.0 x 10-/s. Cr+ (ag) +SCN(ag)Cr(SCN)?+ (aq) a. What is the half-life in hours? 1/2 = hr b. How many hours would be required for the initial concentration of Cr+ to decrease to 25.0% left? 25% left = hr c. How many hours would be required for the initial concentration of Cr+ to decrease to 12.5% left? 12.5% left = hr

In the presence of excess thiocyanate ion, SCN, the following reaction is first order in chromium(III) ion, Cr ; the rate constant is 4.0 x 10-/s. Cr+ (ag) +SCN(ag)Cr(SCN)?+ (aq) a. What is the half-life in hours? 1/2 = hr b. How many hours would be required for the initial concentration of Cr+ to decrease to 25.0% left? 25% left = hr c. How many hours would be required for the initial concentration of Cr+ to decrease to 12.5% left? 12.5% left = hr

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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