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3 years ago

In two or more complete sentences, describe the process of fractional distillation that used to refine crude oil.

Chemistry

2 answers:

Oksi-84 [34.3K]3 years ago

3 0

I hope this helps you

postnew [5]3 years ago

3 0

Answer:

heated crude oil enters a tall fractionating column , which is hot at the bottom and gets cooler towards the top.

vapours from the oil rise through the column.

vapours condense when they become cool enough.

liquids are led out of the column at different heights.

sorry for bad spelling i think this is right

hope this helps :)

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Reika [66]

Answer:

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Explanation:

The formula for the calculation of the average atomic mass is:

$Average\ atomic\ mass=(\frac {\%\ of\ the\ first\ isotope}{100}\times {Mass\ of\ the\ first\ isotope})+(\frac {\%\ of\ the\ second\ isotope}{100}\times {Mass\ of\ the\ second\ isotope})$

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3 years ago