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Answer the question: First you need to identify what the question is really asking - is it asking you to compare texts, analyse an unseen extract, or argue 'to what extent' a proposed statement is true? This...

Check for any silly mistakes, a lost negative or a simple arithmetic error. If you can’t find any, we’ll work through the question together and see where the method differs from yours. Then we will work out ...

The -OH is an activating group, it donates its lone pair into the delocalised ring of electrons. This increases the electron density in the ring, making it more reactive.

The working memory model was developed by Baddeley and Hitch (1974). It is an explanation of how short-term memory is organised. There are four main features to the model; the central executive, the phonolog...

use u = 1+ln(x) as the substitution du/dx = 1/xdx = x du ∫ (ln(x)/(x*(1+ln(x))^2) dx = ∫ ((u-1) x/ x (u^2)) du = ∫ (u-1)/(u^2) du