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Crude oil is a natural mixture of many different hydrocarbons. These hydrocarbons can be separated using a process known as fractional distillation.The crude oil is heate...

Benzene has delocalised pi- electrons spread over all 6 Carbon atoms in the ring structure. Therefore, there is insufficient electron density above and below any two carbon atoms in the structure so be...

Buffer solution is a system that minimises the change in pH when a small amount of acid or base is added. There are two types of buffer solutions- alkaline buffer solution and acidic buffer solution. The ...

First, look at the Periodic Table. Potassium is in group 1 so has a +1 charge, Li⁺Sulphates always have a -2 charge, SO4 ^2-Now combine two ions together so we can ge...

Rate of reaction is a change in concentration of a reactant or product, per unit time, measured in dm³s-1. You can calculate the rate of reaction from the graph- plot the graph of concantration...