Question Completion Status: QUESTION 10 What temperatures should be used in the

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Question Completion Status: QUESTION 10 What temperatures should be used in the graph for this block of experiments? O The temperatures pr that were obtained directly from observation during the experiment. Temperatures corrected by the amount determined in the calibration experiment. The es obtained after correcting both for barometric pressure and for any systematic errors during O Temperatures corrected to standard atmospheric pressure. QUESTION 11 Which of the following must be included in the typed conclusions and analysis? (Choose all that apply) A discussion of any similarities and differences in the two distillation curves. A discussion of how any mistakes made during the experiment may have affected the results. A discussion of the similares and differences between your graph and the graph in Figure 5.8 if using the cyclohexane/toluene mixture. OR Discussion of the flame test results if using the ethanol/water mixture. O A discussion of "column holdup" similarities or differences. A discussion of how the temperatures observed during the distillations compare to the boiling points of the individual of the mixture O One graph with both simple and fractional distillation data plotted as corrected temperature vs volume of distillate. QUESTION 12 1 po According to the textbook, 21 +/-3 drops . 1 mL What is the best way to determine more precisely the number of drops per mL in your experiment? Use a medicine dropper and count the drops of water needed to fill a reaction tube to the 5 mL mark. Then divide by 5 Use a medicine dropper and count the drops of water needed to fill a reaction tube to the 1 mL mark. Divide the total number of drops of distillate by the total volume of distillate

Explanation / Answer

Answer (10) : B option is correct.

Regarding with temperature measurements, the value of temperature obtained must be accurate and due to this reason we should measure it by calibration experiment in which values are found most accurate than any other methods.

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