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Chemistry
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Why is phenol more reactive than benzene?

Phenol (which is a benzene ring with one substituted carbon with a hydroxyl or alcohol group) does not require a halogen carrier to be halogenated whereas benzene itself cannot react with a halogen alo...

Answered by Thomas N. Chemistry tutor
35024 Views

What exactly is a mole of something?

The best way to think of a mole is the same way you would consider a dozen to be 12 but in this case a mole is 6.2 x 1023 molecules. 

You can use moles to work out the mass of ...

Answered by Thomas N. Chemistry tutor
5866 Views

What is the difference between a nucleophile and an electrophile?

A nucleophile is a molecule or ion that donates a pair of electrons to form a new covalent bond. It is strongly attracted to a region of positive charge. Common nucleophiles include hydroxide ions; due...

Answered by Liam M. Chemistry tutor
20748 Views

What is a mole?

A mole is a unit of measurement for the amount of a substance. One mole is 6.02 x 10^23 particles in a substance, known as Avogadro's constant. This is because this is the number of atoms in  <...

Answered by Liam M. Chemistry tutor
2979 Views

Proteins are an important part of a healthy diet because they provide essential amino acids. (a) State what is meant by an essential amino acid.

 There are 20 amino acids, and they can be classified as essential or non-essential – if they are non-essential they can be synthesised by the human body...

Answered by Darragh C. Chemistry tutor
2899 Views

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