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A1.   First it is important to know that nitric acid (HNO3) is a strong acid and so [HNO3] = [H+]    Beaker A contains 100cm^3 = 100ml   Final volume is 150ml (50cm^3 of distilled water is added to beaker...

The main difference is that order of objects matters for permutations. Both involve choosing k objects from a group of size n. Permutations are used to ...

Students may discuss how men and women use language 'differently', by analysing a text in a number of ways. Students may examine differences in the following areas of language: lexis and semantics (the vo...

The left ventricle has a thicker muscular wall and therefore produces stronger contractions.

It's very important to maintain the optimum body temperature in mammals, in particular in relation to enzymes and enzyme controlled processes. There will be the optimum temperature for enzymes where they ...