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Historiography is a term that in my experience unnecessarily frightens some people studying at A-level. In some ways it does represent a shift from simpler primary source based analysis, but in reality...

Let us take a binary number 10010111. To make conversion easier let us write down numbers 0 to 7 under this binary number starting from the right side.

These numbers will...

To start off with we need to remove the two denominators (the bottom part of the fractions) on the left hand side of the equation. This can be achieved by multiplying the through the whole equation by ...

React concentrated sulfuric acid with concentrated nitric acid in the below reaction to yield the nitronium ion.

HNO₃  + 2H₂SO₄   --> NO<...

1. Use quotations sparingly. They must make grammatical sense in the sentence. 

2. Make sure to analyse them after using them - otherwise they are worthless.

3. Use them to ...