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A dipole is a result of a seperation of charge between two bonded atoms, when one atom has a slight positive charge and the other a slight negative charge. This is a result of the shared pair of electrons...

Example Introduction: In his poetry, Philip Larkin is typically cynical of religion, displayed particularly in ‘Water’ and ‘Faith Healing’. As a strict atheist, Larkin consistently devalu...

All quadratic equations can be written in the form ax² + bx + c = 0, where a, b and c are constants. Firstly, check whether you can easily factorise the equation into the form (x + p)(x + q) = ...

f(x) = 2x² - 12x +7

• First take out a factor of 2 so that we have the coefficient of x² as 1.        f(x) = 2[x² - 6x +7/2]

• Next, complet...

All three of these are carbohydrate polymers, formed from glucose monomers.

Glycogen and starch are both polymers of alpha glucose. These long chains of alpha glucose molecules, joined end-to-end, ...