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Tissue fluid is the substance that bathes the cells in the body. It is the means by which materials are exchanged between the cell and blood as capillaries cannot reach every individual cell. Despite bein...

To perform the esterification, we are going to need to react a carboxylic acid with an alcohol (in this case). We already have the correct alcohol: ethanol. Therefore to get ethanoic acid we must oxidise ...

Phenol reacts with bromine at room temperature with no catalyst as the hydroxyl group activates the ring by donating a pi electron. This donated electron increases the electron density of the ring hence a...

The difference between English GCSE and English at A level is the volume of independent learning. This means taking an active approach to your essays and further reading surrounding the texts at A level. ...

We want everything in terms of p so that there is only one unknown variable.If Tom scored 3x what John did, Tom scored 3 x p. This can be written as 3p.Their total marks are 188 so p (John's marks) + 3p (...