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This mixture of a weak acid (HA) and it's conjugate base (A^-) acts as a buffer. A buffer is a solution with a highly stable pH. On addition of small amounts of either a strong acid ...

5 mark definition questions may be broken down into three parts:1) Define Term: Direct democracy is where citizens (members of the electorate) have a direct input into th...

In French, there are 2 main past tenses - the passé composé, and the imparfait. The passé composé is used when an action has been completed, for example, when in English we would say 'I ate' or 'I have...

Quand il s'agit de parler d'un nom en français, le déterminant (le ou la) dépend du genre du nom, féminin ou masculin. Pour un nom masculin, il faut utiliser le déterminant le, exemple : le train, le b...

My caveat about using historians' names is always that it can seem to the reader that you are 'hiding' behind an established viewpoint.Examiners are always looking for that 'independent judgement' that ma...