1. Record your data table of temperature vs. volume here.
Temperature(Deg C) Volume(ml)
100 126.87
95.86 125.16
90.88 123.77
85.21 121.70
80.91 120.25
75.31 118.35
70.06 116.58
65.18 114.92
60.67 113.40
55.78 111.83
50.98 110.20
45.87 108.40
40.97 106.74
2. Determine the slope of the line and record its value here. Be sure to include the units for this slope value. If you are using a spreadsheet program, use its built-in function to find the slope of the straight line. In Excel, use the function SLOPE (y-values, x-values).
6. Is the volume of air proportional to its temperature?
Answer for verification purposes
After I sketched the slope I found:
slope m= y2-y1/x2-x1
=-126.87-(-106.74)/9100-40.97)
= 0.341
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