why is it Inadvisable to use a large distilling flask to distill a very small vo
ID: 477985 • Letter: W
Question
why is it Inadvisable to use a large distilling flask to distill a very small volume of solution???? Part b why is it dangerous to carry out a distillation in a completely closed system . Part D - why is a better separation of two liquids is observed by slow rather than by fast distillation . why is it Inadvisable to use a large distilling flask to distill a very small volume of solution???? Part b why is it dangerous to carry out a distillation in a completely closed system . Part D - why is a better separation of two liquids is observed by slow rather than by fast distillation . why is it Inadvisable to use a large distilling flask to distill a very small volume of solution???? Part b why is it dangerous to carry out a distillation in a completely closed system . Part D - why is a better separation of two liquids is observed by slow rather than by fast distillation .Explanation / Answer
a)
It could:
- Hold up high amounts of distillate, i.e. vapor, before it goes through the condensation column
- It requires higher amounts of heat to increase temperature inside, that is, to the material being distilled
- Heat transfer is not efficient, will take longer
b)
If closed system, there could be explosion of system, since vapor is being "produced"
d)
Slow distillation will increase heat/mass transfer, therefore favour distillation. For fast distillation, only high volatile material will be distilled, decreasing the overall heat/mass transfer coefficients
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