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whay do we write Δ vap H not ΔH vap

 
whay do we write ΔvapH
not ΔHvap

Grade:12

1 Answers

Gman Namg
415 Points
8 years ago
Look it is very easy and logical too 
that
 
 ΔvapH, is the modern convention. However, the older convention,
ΔHvap, is still widely used.
The new convention is more logical because the subscript
identifies the type of change, not the physical observable related to the change.
 
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