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Chemistry
GCSE

What is distillation?

Distillation is a process used to seperate a liquid from a mixture of different liquids. It works on the basis that liquids have different boiling points. A common example is ethanol and water. The liquid...

Answered by Emma C. Chemistry tutor
7168 Views

Describe how crude oil is separated into fractions

Crude oil is separated by fractional distillation. Crude oil is heated to vaporize the different hydrocarbons in a tank which is cool at the top and hot at the bottom. The vapours then rise and the differ...

Answered by Paul I. Chemistry tutor
66971 Views

Ethane is an organic compound. Please (a) write down the molecular formula of ethanoic acid and (b) verify the type of organic compound ethanoic acid belongs.

a) C2H6 b) Carboxylic Acid

Answered by Sum I F. Chemistry tutor
2082 Views

How is crude oil separated into fractions?

The crude oil is placed into large tanks, which are heated at the bottom, creating a gradient whereby the column is cooler at the top. The heat causes the oil to evaporate, and each fraction will reach a ...

Answered by Sarah C. Chemistry tutor
2857 Views

How do you increase the rate of a reaction?

There are multiple ways of increasing the rate of a reaction, but overall, increasing the number of particles successful collisions will increase the rate of reaction. This can be done by increasing the t...

Answered by Zoe J. Chemistry tutor
2739 Views

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