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The rate of a reaction is affected by the concentration of the reactants, the action of a catalyst and the temperature. If we change the concentration of the reactantants, the reaction rate is going to ch...

Hydrochloric acid is an example of a strong acid because it is completely ionised in water. 

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...

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 ...

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...