CHEM 110 Questions and problems – speed of light Answer the questions and show work. The files are uploaded on the bottom. Please and thank you QUESTIONS A

CHEM 110 Questions and problems – speed of light Answer the questions and show work. The files are uploaded on the bottom. Please and thank you QUESTIONS AND PROBLEMS
1. Two different scientists measured the speed of light four times. Their results are summarized
below.
Scientist A
Scientist B
Trial 1
Trial 2
Trial 3
Trial 4
3.80 x 108 m/s
3.32 x 108 m/s
3.10 x 108 m/s
3.05 x 108 m/s
2.90 x 108 m/s
3.10 x 108 m/s
3.24 x 108 m/s
2.95 x 108 m/s
Accepted value for
the speed of light =
3.00 x 108 m/s
Average
3.32 x 108 m/s
3.05 x 108 m/s
(a) Which scientist measured the speed of light with the greatest accuracy, A or B? Explain.
(b) Calculate the percent error for scientist B.
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(SD 1.
(c) Which scientist measured the speed of light with the greatest precision? Explain.
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(d) Are the errors for these scientists random or systematic? Explain.
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2. An empty graduated cylinder has a mass of 43.82 g. When filled with 50.0 milliliters of an
unknown liquid, it has a mass of 105.93 g. Calculate the density of the unknown liquid.
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