Description
I need help making a stoichiometry table for my chemistry lab. I have include the equation that you need to make the table from. Please make your table look like the sample I provided, but change the information so it is relevant to the equation.
Unformatted Attachment Preview
НО.
4
4
(eq 4)
+
NaBH4
bb. EtOH
0 °C
lost
Stoichiometric table
Stilbene
Water
Hydrogen
peroxide
Hydrogen
bromide
1,2-Dibromo-
1,2-
diphenilethane
0.45ml
Amounts
0.2ml
0.4ml
0.6ml
0.75ml
18.015g/mol
Molecular 180.25g/mol 34.0147 g/mol 80.91g/mol 340.05g/mol
weight
Moles 0.001109mol 0.01176mol 0.00742mol 0.00132mol
0.04163mol
Theoretical 0.1998979
yield
Molar
180.25g
34.0147g
80.91g
340.05g
18.015g
mass
Limiting
reagent
The limiting
reagent is
stilbene
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Stoichiometric Tables
Equation 4: Vanillin Acetate
Vanillin Acetate
Amounts
Molecul...
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Lab Report: Calorimetry
Purpose:
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Skills:
In this lab report, you will:
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Objective
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CHEM 141 Grossmont College Calorimetry Lab Report
Lab Report: Calorimetry
Purpose:
The purpose of the Calorimetry experiment is to introduce you to application of thermoche ...
CHEM 141 Grossmont College Calorimetry Lab Report
Lab Report: Calorimetry
Purpose:
The purpose of the Calorimetry experiment is to introduce you to application of thermochemistry. The purpose of writing the full lab report for Calorimetry experiment is to prepare you to write technical papers for journals, grants for funding, and learn to communicate scientific information to peers and the general public.
Skills:
In this lab report, you will:
Analyze the data provided to you.
Compose a full formal lab report (title page, objective, introduction, procedure reference, results and calculations section, discussion, and conclusion).
Knowledge:
This assignment will also help you to become familiar with the following important content information:
Calorimetry
Writing a complete lab report
Tasks:
This exercise asks you to collect, organize, analyze, and evaluate data you collected in the lab. You will type a lab report that includes the following:
Title page
Objective
Introduction
Give the logic of the experiment.
Be sure to define key terms and all applied experimental equations (e.g. calorimetry, calorimeter, enthalpy of formation, heat capacity of calorimeter, heat, balanced chemical equations, Hess’ law, and percent error.).
Procedure Reference
If there are any changes to the published procedure be sure to note them here.
Results and Calculations section
Table summarizing
Your major experimental data (e.g. heat capacity of calorimeter, experimental heat of formation for Mg2+ & MgO, actual heat of formation for Mg2+ & MgO, and percent error)
Be sure to include the PDF with the data that you were provided when you turn in your report.
Graphs
Since data was given to you, you can use the graphs that were provided. You do not need to make graphs. Just paste them into the appropriate section of the report.
One sample calculation of each type.
Spreadsheet
Discussion
We did not record the boiling and freezing point of water experimentally. But issues with these measurements could possibly be something that would cause error in this experiment. Perhaps something related to this would provide one of your sources of error?
State the heat of formation for MgO and describe any errors that may have led to an incorrect value of either the heat of formation (Mg2+ or MgO) or the calorimeter constant.
Conclusion
Reiterate the major experimental data.
Your report will also include:
prelab
be sure to look over the comments from your instructor and correct any mistakes
changes to the published procedures
experimental observations
quantitative observations (aka numerical data)
qualitative observations
running log
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