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The oxygen on the OH (of the phenol) has a lone pair which it donates into the delocalised pi system of the ringThis activates the ring and there is now a high electron density.This is now strong enough t...

We know Newton's Law of Gravitation, which states that the force F between two bodies of masses M and m respectively, separated by distance R, can be given by: F = GMm/R<...

Polymers such as PET have various properties such as being flexibility, lighweight and good strenght to weight ratio that allow them to be ergonomically used by consumers. Polymers are also able to be pig...

Negative externalities are caused either by the consumption or the production of a good or service. The use of cars results in the creation a negative externality of consumption, which is defined as an ex...

Close analysis questions at A Level English require a lot of detailed attention to the text provided. In the extract based questions, examiners are looking for detailed understanding of language and its e...