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For section B of the LNAT you will need to write a persuasive argument about a given topic within 40 minutes. The purpose of the essay is to show independent, original thought and to give them an idea about ...

When the core body temperature falls below the optimum, vasoconstriction occurs meaning blood flow to the vessels supplying the skin is reduced. This is beneficial as it reduces lost energy. The body also re...

Boiling points are determined by the interactions between the individual hydrocarbon molecules . The weaker the interactions, the less energy is required to boil the hydrocarbon and the lower the boiling poi...

The pH scale is a measure of how many H + ions there are in a solution. The higher the concentration of H + , the lower the pH and the more acidic the solution is. For example, for HCl, dissociation can occu...

To work out the shape of the SF6 molecule we can use a simple equation which allows us to work out the number of electron pairs. The equation is (old group + electrons donated +/- charge) / 2. If the charge ...