1.

PCl_(5)(s) reacts with H_(2)O(l) accoding to the equation : PCl_(5) (s)+4H_(2)O(l)toH_(3)PO_(4)(aq)+_5HCl(aq) What is DeltaH^(@) for this rection in Kj//mol^(-1)

Answer»

`-722.2`
`-533.2`
`533.2`
722.2

Answer :B


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