Chemistry 180-Experiment 12 Graphical Analysis of Data Work Assignments: You wil

Question

Chemistry 180-Experiment 12 Graphical Analysis of Data Work Assignments: You will work in groups as assigned by the instructor. Materials: Steckroom: none Lab: transparent straigiodges, French curves Special Safety Precautions: noee Disposal Procedures: none Discussion: The ability to present data in graphical form is a eritical skill for scientists and many other professionals. Even if you use a compater to generate the final form of a graph, there are certain In that you lab, you will work in groups to leam about the elements of a good graph of any kind, and also learn to calculate the "best" straight line for dala sets where a straight-line relationship is appropriate. The exercises and discussions in this laboratory will span two laboratory sessions. Procedure: Part A - Presenting Data in Usable Form On the next page is a data table showing the relationship between the month of the year, the average water temperature, and average dissolved oxygen levels in the Snake River in Riverwood. Note that there are three variables to be considered; you will want to think about how to represent them so that the best understanding of the information is communicated. 135 Fxn 12 - Granhical Analvsis of Dats

Explanation / Answer

Part A

Dissolved Oxygen concentration as water temperature increase. This is because oxygen is less soluable in warm water than in cool water. Dissolved Oxygen concentration highest during the winter when water temperature are lowest.

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