Chemistry A Level Energetic I
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6 Terms
Standard conditions
100 kPa
298K
Enthalpy Change of Reaction - ΔrHº
The enthalpy change under standard conditions when quantities of a substance in standard states react completely.
Enthalpy Change of Formation - ΔfHº
The enthalpy change under standard conditions when one mole of a substance is formed from its elements in standard states
Enthalpy Change of Combustion - ΔcHº
The enthalpy change under standard conditions when one mole of a substance is completely burned in oxygen.
Enthalpy Change of Neutralisation - ΔnHº
The enthalpy change under standard conditions when solutions of acid and alkali react together to produce one mole of water
Enthalpy Change - ΔH
Heat energy change in a reaction at constant pressure, units kJ mol-1
