Kinson Gan's answer to V's Junior College 1 H2 Maths Singapore question.

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Kinson Gan
Kinson Gan's answer
37 answers (A Helpful Person)
1st
I think I get where you're confused. Normally we'll talk about standard enthalpy change of atomisation of an element. But in this case see that it asks for enthalpy change of atomisation of the compound. We can apply to definition here: cover the molecule to its atoms using the energy cycle