Y13 Chemistry- Ther

physical pt2

Enthalpy of formation

The enthalpy change when one mole of a compound is formed from its elements under standard conditions, reactants and products in their standard states

Enthalpy of ionisation

The enthalpy change when one mol of electron is removed from a mole of gaseous atom to form one mole of 1+ gaseous ions

Enthalpy of atomisation of an element

The enthalpy change for the formation of one mole of gaseous atoms of an element in its standard state

Enthalpy of atomisation of a compound

The enthalpy required to convert one mole of a compound into it gaseous atoms

Bond dissociation enthalpy

The enthalpy required to break one mole of covalent bonds from one mole of a gaseous molecule into its atoms

Electron affinity

The enthalpy change when one mole of electron is added to a mole of  gaseous atom to form one mole of 1- gaseous ions

Lattice formation enthalpy

The enthalpy change when one mole of a solid ionic compound is formed from its gaseous ions under standard conditions

Lattice dissociation enthalpy

The enthalpy change when one mole of a solid ionic compound is dissociated into its gaseous ions under standard conditions

Enthalpy of hydration

The enthalpy change when one mole of aqueous ions is formed from a mole of gaseous ions

Enthalpy of solution

The enthalpy change when one mole of a solid ionic compound is completely dissolved in water to form aqueous ions under standard conditions