The decomposition of XY is second order in XY and has a rate constant of 8.40 x 102 M-ªmin1 at 400 K. a. If a 0.555 M sample of XY was left to decompose to 0.0244 M, how many minutes would this process take? b. What is the half-life for this reaction at an initial concentration of 0.641 M at 400 K? c. Explain why the half-life for this reaction will be different if the starting concentration was less than that given in part b. Assume the temperature was still 400 K.

The decomposition of XY is second order in XY and has a rate constant of 8.40 x 102 M-ªmin1 at 400 K. a. If a 0.555 M sample of XY was left to decompose to 0.0244 M, how many minutes would this process take? b. What is the half-life for this reaction at an initial concentration of 0.641 M at 400 K? c. Explain why the half-life for this reaction will be different if the starting concentration was less than that given in part b. Assume the temperature was still 400 K.

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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AutoSave w | homework – Saved to my Mac OFF ... Home Insert Draw Design Layout References Mailings Review View O Tell me R Share O Comments Calibri (Bo. v 11 v A A E vE v E v E E Aa v AaBbCcDdEe AaBbCcD AaBbCcDdE AaBb AaBbCcDdEe Paste BIU V ab x, x A v I v A v No Spacing Normal Heading 1 Heading 2 Title Styles Pane Dictate Sensitivity Please answer the following questions fully and to the best of your ability 1) Please state how you would synthesize the following polymer below and show the mechanism behind the reaction. Note that this also means you need to tell me which molecule you are starting with as well as specifying all conditions required. он OH 2) Will either the polymer or the monomers you used to make it show peaks if IR spectroscopy analysis was done on them, and if so where? How about if UV-vis spectroscopy was performed instead? Page 1 of 1 93 words E English (United States) O Focus 白

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Chemistry Compute 1240.64/12.5. Round the answer appropriately. Express your answer numerically using the proper number of significant figures.
In our first lab experiment we will be identifying metals by measuring theirdensities and comparing them to known values. Here at NJIT we have a very large and generouslaboratory materials budget, so all sorts of exotic and extremely valuable metals will be providedfor the experiment. Using the values listed below, determine the identity of the metal samples.If the density value determined is not amongst the values below then one of those cheapRutgers samples crept into our stock of metal samples and you should answer “unknown metal”.Note: volume measurements are not very exact. If your density determination is off by 0.1 or0.2 from the known value, that’s probably good enough for an identity. Table in image 4a. You weigh your sample and determine it weighs 71.8 grams. You put the sample into 15.6 mL ofwater and the total volume rises to 22.4 ml. What metal do you have?4b. You weigh your sample and determine it weighs 56.3 grams. You put the sample into 28.9 mL ofwater and the total…
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Explain in reasoning how you would teach him to determine if his dimensional analysis is answers "make sense".
For a disc-shaped particle of diameter 2.00mm and length 0.500 mm, calculate the following diameters:a. the equivalent volume sphere diameter;b. the equivalent surface sphere diameter;c. the surface-volume diameter (the diameter of a sphere having the same external surfaceto volume ratio as the particle) d. What is the sphericity of the particle?
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Why should repetitive measurements always be made, if possible, when performing an experiment. (Please give a detailed answer, thank you)