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Molecules are very small, much smaller than we can see with our eyes. For this reason, we can’t simply just count the number of molecules in a sample by looking at it. Even if we could, there are so ma...

A conclusion should not be a repetition of your introduction. In your introduction you should analyse the key words of the question and establish the points you will discuss in depth in your essay. You...

When a wire moves through a magnetic field the wire cuts through the magnetic field lines. This cutting through gives a force on the electrons in the wire, pushing them along, and these moving electron...

What is it?The cosine rule is a tool to find the size of an angle or the length of a side in a triangle.When to use it?- When we are given 2 sides and an angle- When we a...

Oxidation and Reduction forms the basis of Redox reactions - where electrons are exchanged between reactants to form new products.

Oxidation is the LOSS ...