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It's really useful to know that 'phile' means love.

Electrophiles 'love' negative charge - this means they are attracted to regions of negative charge. And as such they tend to be positiv...

A relevant equation is:

mass = moles x relative formula mass 

Also written:

m = n*M_r

This reaction is a 1:1 ratio of salicylic acid to...

When approaching a question like this I always find it easier to write out the equation with the known quantities written underneath each individual compound. ...

Bond lengths - a single bond is 0.153nm while a double bond is 0.134nm, making Kekulé's model of alternating single and double bonds asymmetric. Other evidence shows benzene to be symmetr...

As the charge of an ion increases, so does its charge density. The ion can therefore form stronger electrostatic forces of attraction, resulting in stronger bonds. As these bonds form to produce a lattice...