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There are many instances where we simply want to know what the value of one port, or some particular bits in the status register are. Masking all other bits will essentially isolate this bit, regardless o...

At A-Level, examiners want you to be able to use your quotation as a springboard for critical and contextual discussion. For this reason, an effective strategy when memorising quotations is to pair each o...

The delocalised ring in aromatic compounds (such as benzene) is very stable and therefore requires a very strong electrophile to be created before it will react. An example of this would be the formation ...

One of the ways in which behaviourists treat phobias is by using systematic desensitisation. This process is based on classical conditioning (counterconditioning). The treatment involves replacing an unwa...

Reflux apparatus is when a distillation tube is surrounded by an apparatus that pumps cold water around it in order to condense its compounds in the mixture
As ethanol has a low boiling point, it eva...