Standard Enthalpy Change definitions

Question	Answer
Define Lattice Enthalpy	The enthalpy change that accompanies the formation of one mole of a ionic compound from its gaseous ions under standard conditions of 298K and 101KPa
Define Enthalpy Change of Solution	The enthalpy change that takes place when one mole of a compound completely dissolves in water under standard conditions
Define Enthalpy Change of Hydration	The enthalpy change that takes place when one mole of isolated gaseous ions i dissolved in water, forming one mole of aqueous ions, under standard conditions
Define Enthalpy Change of Neutralisation	The energy change that accompanies the neutralisation of an aqueous acid by an aqueous base to form one mole of water, under standard conditions
Define Enthalpy change of Atomisation	The enthalpy change that takes place when one mole of gaseous atoms forms from the element in its standard state
Define Enthalpy Change of Formation	The enthalpy change that takes place when one mole of a compound in its standard state is formed from its constituent elements in their standard states under standard conditions

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	Created by mayy about 9 years ago