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The strength of an acid refers to the level of which it dissociates in an aqueous solution. Dissociation is a process in which molecules can split into smaller ones, atoms or ions. In the case of an acid,...

There is always a systematic approach to answering questions that require you to complete the square. Before you start answering the question make sure the coefficient of x^2 is 1. For th...

When you're asked to compare two or more different texts in an exam question the focus is crucially on the comparison. Throughout the essay, whatever topic or theme you are exploring, you must constantly ...

When looking at primary or contemporary sources (sources written at the time), it's important to examine 3 key areas; provenance, tone and content. Provenance focuses on the origin of the source - what ac...

When approaching an essay it is important firstly to have a clear structure and a firm understanding of the essay question. The next thing to do is to make a brief plan and outline of what you are going t...