The Effect of Temperature on Activation Energy

Anonymous
timer Asked: Feb 13th, 2019
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Question Description

I have a Chemistry lab report and I am attaching the lab manual, guielines , and my collected data. Please, FOLLOW THE INSTRUCTIONS CAREFULLY AND PAY ATTENTION FOR DETAILS. THX

The Effect of Temperature on Activation Energy
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The Effect of Temperature on Activation Energy
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The Effect of Temperature on Activation Energy
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Tutor Answer

Ace_Tutor
School: New York University

I am not sure if you need the references or not. In the case you don't want the references, you can just simply delete it out of my paper. Complete answer attached below:

Running head: THE EFFECT OF TEMPERATURE ON ACTIVATION ENERGY

The Effect of Temperature on Activation Energy
Course’s Name
Student’s Name
Professor’s Name
Institution
Due Date

1

Running head: THE EFFECT OF TEMPERATURE ON ACTIVATION ENERGY

2

The Effect of Temperature on Activation Energy
Introduction
During the lab experiment, the change of reaction rate which led to either slow or
fast reaction among the chemical reactants was studied as the temperature varied, and the
experiment was to find out the linear relationship between the temperature and the
reaction rate. The experiment was conducted because of the energy required to have the
chemical reactants reacted with each other to form products, and the calculation was done
by applying the Arrhenius equation. The experiment was done by running 4 experiment
trials with various temperatures, and the method was to use the recorded data to compute
the rate and its constant and to plot the graph in Excel to deduce the activation energy of
the given chemical reaction. The experiment should be taken care about because the
activation energy had many wide real-world applications; for example, a refrigerator can
decrease the rate of reaction and thus slow down the reaction of food rotting by lowering
the temperature of the food. Another application of activation energy in real life was the
human enzymes in the stomach where the food was broken down at a faster rate due to
the hot temperature of the acid in the stomach (Kiraci and Yurtseven, 2012). The balance
equation of the reaction was given by

6I − ( aq ) + BrO3− ( aq ) + 6H + ( aq ) → 3I 2 ( aq ) + Br − ( aq ) + 3H 2O
The rate law for this reaction was

rate = k  I −   BrO3−   H + 

2

The activation energy referred to the least amount of energy required for the
chemical substances presented in the rate law to react and yield products. In other words,
the activation energy was the minimum energy to initiate a chemical reaction.

Running head: THE EFFECT OF TEMPERATURE ON ACTIVATION ENERGY

3

Throughout the experiment, the activation energy was calculated by determining the
 E
slope  − a
 R


 of the experimental data where R is a constant that equals 8.314 J / mol  K .


The Arrhenius equation for this experiment was given by
ln k =

Ea
R

1
  + ln A
T 

where k was the rate law constant, Ea was the activation energy that we wanted to
d...

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Anonymous
Excellent job

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