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General Chemistry I

by: Vinnie O'Keefe

General Chemistry I CHEM 101

Marketplace > Colgate University > Chemistry > CHEM 101 > General Chemistry I
Vinnie O'Keefe

GPA 3.55


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About this Document

Class Notes
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This 2 page Class Notes was uploaded by Vinnie O'Keefe on Monday October 5, 2015. The Class Notes belongs to CHEM 101 at Colgate University taught by Staff in Fall. Since its upload, it has received 7 views. For similar materials see /class/219597/chem-101-colgate-university in Chemistry at Colgate University.


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Date Created: 10/05/15
Using Excel for generating graphs For our example we wish to graph the absorbance measurements of different acetylsalicylic acid concentrations remember aspirin determination In Figure 1 found on the next page there is an example of an Excel spreadsheet that was used to generate a standard curve using acetylsalicylic acid concentrations and measured absorbances The acetylsalicylic acid ASA concentrations x Values for our graph were entered in cells A2 through A6 The measured absorbances at 526 nm were entered in cells B2 through B6 To generate a graph of the data you can either click on the Chart Wizard see Figurel or highlight Chart under Insert on the tool bar 1 Select a type of graph eg XY scatter Click next 2 Enter the cell range where your data is found eg A2B6 or click the Data Range box and select the cells that contain your data Click next 3 Type in title and axis labels remember units where appropriate You can also edit chart axis gridlines legend and data labels at this point Click next 4 Place chart as new sheet or object in existing sheet Click finish The chart should then appear on your spreadsheet To insert a trendline and show an equation 1 Click on a single data point to highlight all the data points on the graph 2 Under Chart on the menu bar choose add trendline 3 Select a TrendRegression type eg linear 4 Click on the options button and set the y intercept to zero if you wish and choose to display the equation of the line and the RZ factor if you wish Click Okay A trendline with an equation should appear on your graph You can move your chart by clicking on the chart area holding down the left mouse button and dragging You can make the chart larger or smaller by clicking on your chart area and dragging the corner of the chart while holding down the left mouse button You can print the chart by clicking on the chart area and choosing Print under File on the menu bar This simple example should give all the information you need to produce great graphs in Excel Good Luck w vsv 39woa am 13 Sam 13 man In sum 13 man 13 man u am 929 amqu saaa n Ea X9 39m GAJT O PJEPUEJS VSV qdmg pue weqspEest eaxg QIdIlIBXH em pj sqdmg Eupmeueg 10 eaxg guysn


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