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10 cards from this deck
HHH, total heat energy in chemical system
ΔH\Delta HΔH
Negative (products have less energy than reactants)
Positive (products have more energy than reactants)
EaE_aEa, minimum energy required for a reaction to occur
100 kPa and 298 K (25°C)
Enthalpy change forming 1 mole of compound from elements
0 kJ mol⁻¹
Enthalpy change when 1 mole burns completely in oxygen
-57 kJ mol⁻¹
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