Experiment Results and Observations:
|Trial #||Elapsed Time|
Other physical observations:
Calculations and Results:
Show the calculations for trial #1 for the following: (Do not show calculations from any other trial; simply record all other values in the results table with appropriate units and significant digits)
Concentration of S2O8-2
Concentration of I–
Concentration of S2O3-2
Determining the exponents m and n:
Prepare the following two plots and attach them as the next two pages of your report. Refer to Appendix B: How to plot experimental data, when preparing these plots.
On each graph, show a calculation for the slope. If you have used a graphing program to solve for the slope, indicate the equation of the line and clearly identify the slope in this equation. From the slopes of these two graphs determine the exponents m and n for the rate law.
Show your calculations from trial #1 for the following: (Do not show calculations from any other trial; simply record all other values in the results table with appropriate units and significant digits)
|Trial #||[S2O8-2]||[I–]||[S2O3-2]||-DS2O8-2||Dt||Rate||k, Rate Constant||Ionic Strength|
Calculate the average rate constant for this reaction using data from trials 1 to 5.
Why are the rate constant values from trials 6 and 7 not used when calculating the average rate constant?
In one or two words, indicate the effect on the rate of this reaction if:
In one or two words, indicate the effect on the rate constant of this reaction if:
Write a formal lab report conclusion for this experiment and attach it to these report sheets. Refer to Appendix A for information on writing formal lab reports. This conclusion should be no longer than one page.
If you use any resources in preparing this report, you must provide reference information for them here. Follow the guidelines in LEARN – Content – Lab reports.
Attachments to your report:
Attach the following 3 items in the space below (use an additional page if needed). You may cut and paste, (a snipping tool is nice for this) or use an image or scan.
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