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The concept of a mole can be difficult to get your head around. We are used to giving some numbers names, for example 1 million instead of 1,000,000. And we can use a million as a unit, 3 million, 60 million...

While we always capitalise the first letter of all countries and nationalities in written English, the same cannot be said for written French. While in French, countries are also always capitalised, whether ...

professional psychological organisations lay down guidelines and rules that need to be followed in order to avoid harming our participants in any way. this moral guidelines ensure that all experiments are co...

Differentiation of arctan(x), also written tan ^(-1) (x), requires a little knowledge of regular trigonometric algebra and differentiation, and implicit differentiation. Let's set y = arctan(x) to start. The...

Benzene is an aromatic compound. The structure of benzene is a 6 membered ring of carbons each bonded to eachother with a sigma bond, containing two electrons. The remaining 6 electrons form a pi-cloud of el...