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This is a classic A level History question from one of the most examined(and most-difficult) parts of the French Revolution course. The important thing here is not to panic, and to break it down. Step 1 w...
The air that is breathed in passes down the trachea, the bronchi and bronchioles before reaching the alveoli. Oxygen is able to diffuse across the walls of the alveoli and the pulmonary capillaries into t...
We can work this out by observing the changes in oxidation state of sulphur in concentrated sulphuric acid (H2SO4) when this compound reacts with KCl, KBr and KI individually.A...
ATP is a molecule called adenosine triphosphate, used to provide energy for various reactions within the cell and hence sometimes called 'universal currency' of the cell. ATP molecule is made of adenine, ...
Firstly I would state the substitution rule, letting 5xCos(3x)=w(x), and differentiating with respect to w(x). This gives y'(x)=2w'(x)(w(x)).I would then demonstrate the product rule stating ...
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