Please answer all parts otherwise I'll downvote A first-order reaction has rate constant of 1.89 x 10- at 25 "C.a What fraction of the starting material would be left after 1.83 x 10 s?b. What is the half life?c The activation energy of this reaction is 70 kinol. If we change the temperature to 62 "C what would the new vatue of the half-ufe be?a fractionUse a decimal approximation(s)(s)

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A first-order reaction has rate constant of 1.89 x 10 at 25 "C. a What fraction aof the starting material would be left after 1.83 x 10 s? b. What is the half ife? c The activation energy of this reaction is 70 knol. If we change the temperature to 62 "C what would the new value of the half-ufe be? a fraction Use a decimal approximation (s) (s)

A first-order reaction has rate constant of 1.89 x 10 at 25 "C. a What fraction aof the starting material would be left after 1.83 x 10 s? b. What is the half ife? c The activation energy of this reaction is 70 knol. If we change the temperature to 62 "C what would the new value of the half-ufe be? a fraction Use a decimal approximation (s) (s)

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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IDO BEGINNING ON MONDAY 8TH FEBRUARY, 2021. DEASE COMPLETE YOUR TUTORIAL SHEET FOR DISCUSSIONS IN YOUR TUTORIAL SESSIONS NB: Tutorial sheets will be handed out weekly, each one containing a few questions covering material from the previous week's lectures. The material on the sheets will be discussed at the tutorial sessions. Please revise your lecture notes on a weekly basis, do the necessary background reading and attempt the tutorial sheets. 1) a) Draw curved arrow(s) to show how aniline is converted to its resonance structure A and how resonance structure A is converted to resonance structure B. Draw the resonance structure C. > B C Aniline b) The following resonance structures are used to describe the molecule diazomethane. It is a bright yellow, volatile, toxic, explosive and useful gas. H,C=N=N: + H,C-N=N: Indicate the presence of any formal charges on these resonance structures by placing + and/or - signs above the appropriate atoms. Show all such charges in both structures.…