유기화학실험1 - Distillation(증류) 결과 과제

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목차

1. Plot the results of both the simple distillation and the fractional distillation of the mixture of acetone and toluene (i.e. volume collected vs. temperature). You may use a suitable software (e.g. Origin, Excel, etc.) or use the grid paper provided.
2. Interpret and explain the above results using the concept of theoretical plates in distillations.
3. Is there a correlation between the length of the fractionation column and the separation efficiency in fractional distillation? Provide an explanation to support your answer.
4. In the experimental data for the fractional distillation experiment, a temperature drop (from 60 to 55˚C) was recorded after slightly more than ca. 20 mL of distillate has been collected. How do you account for and explain this temperature decrease? What is it indicative of?

본문내용

Distillation is a separation method using boiling point differences in a mixed solution.
When the mixture is heated, the temperature of the solution increases with a sloping curve at the beginning. When a certain temperature is reached, a solution(acetone) with a lower boiling point turns into vapor. At this time, thermal energy is used for phase change, and the curve is drawn smoothly.

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