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Q: What fraction is found at the top of the fractionating column?
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Why does LPG exit from the top of the fractionating column?

The boiling point is lower.


Would ace oil or duncan XYZ oil be tapped off closer to the top of a fractionating column?

Duncan XYZ oil would be tapped off closer to the top of a fractionating column because it is viscous (runny)


What is the top of an oil fractionating column is?

The bottom is where the compounds with the highest boiling points are found. The ones with the lowest boiling points will be found at the top of the column.


How does a fractionating column separate crude oil into different parts?

The fractionating column takes advantage of the fact that the different parts (fractions), which form the mixture known as crude oil, boil (or evaporate) at different temperatures. The fractionating column is effectively an advanced distillation process. The bottom part of the column is the hottest part where heavy fractions such as tar do not evaporate, but lighter fractions will boil off and travel upwards through the column. The top part of the column is the coolest part where only the lightest fractions form a vapour. At various points between the top and bottom, the different fractions condense into liquids at different temperatures and can be drawn off in purified liquid form.


What is a column label?

It is a heading found at the top of a column.


What is the function of the fractionating column in fractional distillation?

The fractionating column is usually filled with glass or plastic beads. These beads improve the separation between the liquids being distilled. The reason that fractional distillation gives better separation between the liquids is because the glass beads in the fractionating column provide "theoretical plates" on which the refluxing liquid can condense, re-evaporate, and condense again, essentially distilling the compound over and over. The more volatile liquids will tend to push towards the top of the fractionating column, while lower boiling liquids will stay towards the bottom, giving a better separation between the liquids.


Is the fractionating tower hotter at the top or the bottom?

The bottom - this is why the hydrocarbons with the shortest chains leave the tower at the top as they have a lower boiling point.


Where is the fuse for the lights in the fuse box in a Renault clio?

The headlight fuse can be found in the first column, second from the top. The tail light fuse will be in the first column, fourth from the top.


What is an apophyge?

An apophyge is a form of curvature found at the top or bottom of certain varieties of column.


Where can the numerator be found in a fraction?

The numerator is the top line , it tells you how many of the fraction you have (enumerates it, if you like). The bottom is the denominator, it tells you what kind of fraction it is (what denomination it is).


What is the function of the heading words found at the top of a two column dictionay page?

function of a heading word


What is the decorative top of a column?

The decorative top of a column is called the capital.