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The standard enthalpy of formation of a substance is the enthalpy change when one mole of that substance is formed from the most stable allotropes of its elements in their standard states...

Ionic Bonding 

Ionic bonding occurs between positive ions (cations) and negative ions (anions), which are attracted to each other through their oppisite charges. The resulting comp...

First of all, it is important to determine what kind of substitution reaction the halogenoalkane will undergo. We are given the information that it is a primary halogenoalkane, which generally undergo a S...

‘Y’ and ‘en’ are pronouns which can be used to represent a phrase, instead of writing out the entire phrase. ‘Y’ roughly translates as ‘there’, and ‘en’ roughly translates as ‘of it’, but the exact meanin...

Identifying the target audience within a text is essential when trying to analyse one, therefore it is important to learn the ways in which it can be found. The format of a piece of writing is the first a...