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Deduce the main organic product for the reaction of benzene with nitric acid in the prescence of sulfuric acid, and provide a complete mechanism for this reaction. (5 marks)

The answer to this question mostly involves drawing of chemical structures and mechanistic arrows.The organic product is nitrobenzene, which students would draw out as part of the mechanism, but must also na...
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Answered by Erin B. • Chemistry tutor
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How do you structure the response to a question about the changes of a population due to natural selection

Individuals within a species show a wide range of genetic variation. Some individuals will have characteristics more suited for their environment, meaning they are more likely to survive and reproduce. The a...
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Answered by Samantha B. • Biology tutor
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What is price elasticity of demand?

Price elasticity of demand is often shortened to PED A PED can be different variations of elastic, inelastic or unit elastic. What PED is is the responsiveness of demand to a change in price. The three main ...
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Answered by Harry B. • Economics tutor
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How do I structure an essay?

All essays should have the same structure- introduction, pro and con paragraphs (weigh the paragraphs by the conclusion you plan to draw on) then a short conclusion. Theme each paragraph with a theory (eg. M...
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Answered by Karima M. • Sociology tutor
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Analyse the manifestation of exile in The Metamorphosis

The exile in discussion in this essay is not that of geographical exile or deportation but exile of identity, of being out of place, out of time and of another time.Gregor’s exile manifests itself in his env...
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