Hand in three plots (zero, first and second order) and the Excel worksheet of your data and results. Is the reaction zero, first or second order with respect to dichromate? What is the value of the rate constant? What are the units? Use the value 3.58 x 102 M¹ for el, if necessary.

Hand in three plots (zero, first and second order) and the Excel worksheet of your data and results. Is the reaction zero, first or second order with respect to dichromate? What is the value of the rate constant? What are the units? Use the value 3.58 x 102 M¹ for el, if necessary.

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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Question

100%

0.554 Absorbance (Initial Absorbance)
reading s
10 secondr
Absorbance
→6.148
20 seconds -
30 seconds → 0094
40 seconds 0,073
S0 Seconds
> 0,058
60 seconde -

Data Analysis:
Hand in three plots (zero, first and second order) and the Excel worksheet of your data and
results.
Is the reaction zero, first or second order with respect to dichromate?
What is the value of the rate constant? What are the units? Use the value 3.58 x 102 M¹ for
el, if necessary.
Thermal decomposition of nitrogen dioxide to nitric oxide and oxygen occurs according to
the following reaction:
The rate law is:
2 NO₂+2 NO + O₂
-d[NO₂]/dt
= /[NO₂].x
The equations corresponding to the possible orders of the reaction follow:
i. zero order: [NO₂] = [NO₂]0 - kt
ii. first order: In([NO₂]0/[NO₂]) = kt

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Step 1: Given- Time and Absorbance data

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Step 2: Introduction

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Step 3: Graph for Zero order

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Step 4: Graph for First order

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Step 5: Graph for Second Order

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Step 6: Part 2- To determine the order of the reaction

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Step 7: Part 3- To determine the rate constant

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