Enthalpy Definitions

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AQA A2 Chemistry Enthalpy Definitions
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Pregunta Respuesta
What is Enthalpy change of FORMATION? The enthalpy change when 1 mole of a compound is formed from its elements in standard states and conditions.
What is the Enthalpy change of ATOMISATION of an ELEMENT? The enthalpy change when 1 mole of gaseous atoms is formed from an element in standard states.
What is the First Ionisation Enthalpy? The enthalpy change when 1 mole of gaseous +1 ions is formed from 1 mole of gaseous atoms.
What is the First Electron Affinity? The enthalpy change when 1 mole of gaseous -1 ions is made from 1 mole of gaseous atoms.
What is the Enthalpy change of HYDRATION? The enthalpy change when 1 mole of aqueous ions is formed from gaseous ions.
What is Bond Dissociation Enthalpy? The enthalpy change when all the bonds of the same type in 1 mole of gaseous molecules are broken.
What is Enthalpy change of ATOMISATION of a COMPOUND? The enthalpy change when 1 mole of a compound in the standard state is converted to gaseous atoms.
What is the SECOND ionisation enthalpy? The enthalpy change when 1 mole of gaseous +2 ions is formed from 1 mole of gaseous +1 ions.
What is the SECOND electron affinity? The enthalpy change when 1 mole of gaseous -2 ions is made from 1 mole of -1 ions.
What is the enthalpy change of SOLUTION? The enthalpy change when 1 mole of solute is dissolved in sufficient solute that no further enthalpy change occurs on further dilution.
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