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write a lab report for Reaction Kinetics II— The Determination of an Activation Energy

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CHEM218 Lab Manual XXXXXXXXXX
Chemistry 218
Chemical Principles II
Laboratory Manual XXXXXXXXXX
Course Team
Authors and Coordinators: Lawton Shaw, Robert Carmichael, and
Dietmar Kennepohl
Editor: Erna Dominey
Lab Instructors Present &(Past): Jim Robinson, Melissa Gajewski,
Jim Nieman, Nina Vo, Ross Witherell,
Jason Norman, James Sochan,
Haley Carlson, Umme Salma,
Rob Carmichael (Scott McGavin,
Matthew Noestheden, Igor Sinelnikov,
Sam Monthana, Donna Gulcev,
Vickie Russell, Darlene Rising,
Klaus Thompson, Nyron Jaleel,
Roberta Franchuk, Yuchiong Hsuanyu)
Lab Manual Illustrations: Ian Grivois and Robert Carmichael
Lab Manual Photography: Robert Carmichael and Blaise MacMullin
Senior Laboratory Manager: Rafael Hakobyan
Past Laboratory Manager: Elaine Goth-Birkigt
Every effort has been taken to ensure that these materials comply with the
equirements of copyright clearances and appropriate credits. Athabasca
University will attempt to incorporate in future printings any co
ections
which are communicated to it.
Athabasca University students have permission to print a copy of this
manual at private printing services.
© Athabasca University 2018, 2019
Printed in Canada
SLID 060619
Contents
General Information ....................................................................... XXXXXXXXXX1
Introduction ...................................................................................... XXXXXXXXXX3
Organization ..................................................................................... XXXXXXXXXX4
Materials to be Provided by the Student ....................................... XXXXXXXXXX5
Evaluation of Students’ Work .......................................................... XXXXXXXXXX6
Writing Laboratory Reports ............................................................ XXXXXXXXXX7
Laboratory Academic Conduct ..................................................... XXXXXXXXXX18
Safety General ................................................................................. XXXXXXXXXX22
Safety Rules ................................................................................. XXXXXXXXXX23
Some General Advice Regarding Laboratory Work .............. XXXXXXXXXX26
Medical Information Form ........................................................ XXXXXXXXXX28
Chemistry Laboratory Accident Form ..................................... XXXXXXXXXX29
WHMIS .......................................................................................... XXXXXXXXXX30
Hazard Symbols ......................................................................... XXXXXXXXXX31
Safety Exercise ............................................................................ XXXXXXXXXX32
Common Apparatus ...................................................................... XXXXXXXXXX33
Checklist of Equipment Contained in Each Student Kit ........... XXXXXXXXXX37
Experiments .................................................................................... XXXXXXXXXX39
Block D Experiments ...................................................................... XXXXXXXXXX41
Experiment D1: Reaction Kinetics I—
Experiment D1: The Determination of a Rate Law ................ XXXXXXXXXX43
Experiment D2: Reaction Kinetics II—
Experiment D2: The Determination of an Activation Energy XXXXXXXXXX57
Experiment D3: The Determination of an Equili
ium Constant† XXXXXXXXXX
Experiment D4: Le Châtelier’s Principle ................................. XXXXXXXXXX77
Experiment D5: Titration Curves ............................................. XXXXXXXXXX85
Block E Experiments ...................................................................... XXXXXXXXXX93
Experiment E1: Voltaic Cells ..................................................... XXXXXXXXXX95
Experiment E2: The Determination of a Molar Mass by Electrolysis† XXXXXXXXXX
Block F Experiment ...................................................................... XXXXXXXXXX111
Experiment F1: The Preparation of Acetylsalicylic Acid (Aspirin)† XXXXXXXXXX
Appendix ..........................
Answered 1 days After Apr 05, 2024

Solution

Dr Shweta answered on Apr 06 2024
6 Votes
1. Purpose of the experiment:
Chemical reactions normally exhibit higher reaction rates as temperature is raised, as reaction rates typically increase with a rise in temperature. As the temperature rises, the average kinetic energy of the molecules also increases. For two molecules to undergo a reaction, they need to collide with an energy level that is at least as high as the activation energy threshold. The likelihood of two reactant molecules impacting with enough energy for a reaction to happen and be transformed into products increases as the average kinetic energy of the molecules increases.
The activation energy, Ea, of a reaction is the energy difference between the reactants and the transition state (or activated complex). In 1889, Svante A
henius initially established the co
elation between the rate (rate constant) of a specific process and the absolute temperature. The accepted name for this relationship is commonly refe
ed to as the A
henius equation:
k = Ae-Ea/RT
where k is the rate constant, A is a probability factor, Ea is the activation energy, R is the universal gas constant, and T is the absolute temperature.
If we take logs (to...
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