Search over 10,000 free study notes

Phenol has the -OH group and the oxygen has a lone pair of electrons which are donated into the Benzene ring and activate the ring which make it more sus...

First of all, I would ask the tutee if they were familiar with the law of integration. i.e. that you increase the power of the variable (x) by 1, then divide by the new power, and if not then I would clar...

'GIRLS OF THAT CLASS'
Breakdown of the sentence into its key lexical, semantic and grammatical elements: 'Girls': The use of the concrete noun 'girl' in place of the proper n...

The subjunctive is a grammatical mood meaning that it signals the intention of the speaker (or writer) in what they say. Other moods include the indicative (statements of fact), the interrogative (direct ...

Equations: (1) x^2-y=16 and (2) 2y-4=14xRearrange (2) to give y:2y-4=14x(+4) 2y=14x+4(/2) y=7x+2call the new equation (3) y=7x+2Put (3) into (1):x^2-(7x+2)=16(expand) x^2-7x-2=16(-16) x^2-7x-18=0(Factoris...