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A freely falling object in air (or any other fluid for that matter) experiences two forces: the gravitational force and the force due to air resistance (or drag force).
While the gravitational fo...

Phenol (which is a benzene ring with one substituted carbon with a hydroxyl or alcohol group) does not require a halogen carrier to be halogenated whereas benzene itself cannot react with a halogen alo...

The best way to think of a mole is the same way you would consider a dozen to be 12 but in this case a mole is 6.2 x 10²³ molecules. 

You can use moles to work out the mass of ...

Write a lot about a little. It is better to focus on one small specific part of the text and put it into a wider context. For example, focusing on one specific word or sentence and using that as a star...

In order to improve coursework marks, the first step is to completely deconstruct the given question. If you look back over the essay and see if you've fully answered it or if you've missed an aspect o...