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Consider the reversible reaction: A + B to C + D

Let’s say you start with only the reactants A and B, at first they will react together to from some of C and D. This is called the forward reac...

With any English essay you must start by reading the text at least twice and then go through it a third or fourth time, highlighting important passages, phrases or words and making notes. What you write h...

You must discuss approaches, issues and debates in your essays in order to demonstrate good evaluation skills, to meet the assessment objectives AO2 and AO3. You must show ...

In order to keep an essay clear, concise and thorough, it is important to structure each individual paragraph as well as the essay overall. Using this method (see the step-by-step process below), a pa...

A complex number has the form a+bi. We call a the 'real' bit (ie. the bit on a regular number line) and b is the 'imaginary bit. 
Multiplying complex numbers is done in a very similar way to multiply...