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This question requires understanding of the structure of benzene and forces the student to be able to describe why cyclohexa-1,3,5-triene is unable to be used to describe the structure of benzene. As benz...

Raising the temperature of an exothermic reaction will cause the equilibrium to move to the left, reducing the proportion of the product in the mixture. Exothermic reactions release heat and the reverse ...

This really depends on the question; for example if it is asking you if Source C supports the evidence given in Source A you must make sure you focus throughout on comparing and contrasting the evidence g...

It slightly depends on the exam board, but if you're able to prepare your answers in advice make sure you know your responses inside out! An oral exam can be a stressful environment so the more familiar y...

(draws two right angled triangles, one with sides 3 and 4 units with the hypotenuse labelled 'x', one with a side labelled 4 units and 'Y' with the hypothenuse labelled 5 units).
The answer is in two...