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10 cards from this deck
Energy cannot be created or destroyed, only transformed
ฮH\Delta HฮH same regardless of pathway taken
Calculate ฮH\Delta HฮH for hard-to-measure reactions
Sign changes (negative becomes positive & vice versa)
Double the ฮH\Delta HฮH value
Halve the ฮH\Delta HฮH value
Visual tools showing energy changes in reactions
Independent of pathway (key Hess's law principle)
โ786-786โ786 kJ molโ1^{-1}โ1 (for 2 mol)
Conservation of energy principle
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