UA CHEM 151 - SD1+In-Lab+Worksheet (2 pages)

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SD1+In-Lab+Worksheet



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SD1+In-Lab+Worksheet

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Pages:
2
School:
University of Arizona
Course:
Chem 151 - General Chemistry I

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CHEM 151 SD1 In Lab Worksheet v2 1 1 Skills Development 1 In Lab Worksheet Your TA s name Chris Zerio Your name Amandip Singh Lab section 001 J Your email asingh11 email arizona edu TA 5 p WS 20 p GRADE 25 p All work must be well written and organized If your penmanship is poor you must type all responses If you need to organize your thoughts please use a separate sheet of paper A major objective of this lab course is to develop skills in scientific communication Just having the right answer is not good enough you must communicate clearly and succinctly and use terms and concepts correctly 1 Volume and Mass Data Table 4 p Construct a data table of the volume and mass values that you personally collected That is for the micropipette volume additions and corresponding masses that you recorded build a table The table must be well organized appropriately titled have proper column headings and have the correct sig figs and units for all numerical entries In this exercise you are developing skills in organizing and presenting tabular data This is an important skill for all future lab work Water Density Volume vs Mass V mL M g 0 500 mL 0 499 g 1 00 mL 0 998 g 1 500 mL 1 497 g 2 00 mL 1 994 g 2 500 mL 2 51 g 3 00 mL 3 01 g 2 Determining Density Graphically 4 p Using Excel prepare a mass versus volume plot for the run you performed Properly title the plot and label the axes correctly Include the equation of the linear trend line from Excel The slope of this line is the density of water as determined by you and your technique Paste in the complete plot below or if working on hardcopy carefully draw the complete plot below Remember use the correct sig figs and units on all values You will likely need to adjust the sig figs for the equation of the linear trend line in Excel In this activity you are being guided towards the correct presentation of graphical information for this lab course and most scientific documents water density Volume vs Mass 3 5 3 f x 1 01x 0 01 Mass g 2 5



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