1
Q
Lattice enthalpy
A
1 mol of an ionic compound is formed from its constituent ions in gaseous state
2
Q
Enthalpy change of hydration
A
Energy change when 1 mole of gaseous ions dissolves in water to form hydrated ions
3
Q
Enthalpy change of solution
A
Energy change when 1 mole of an ionic compound dissolves in water
4
Q
Average bond enthalpy
A
The breaking of one mole of bonds in gaseous molecules
5
Q
Explain the differences between enthalpy changes of hydration
A
smaller ions (smaller ionic radius) larger charges on ions larger charge and smaller size leads to higher attraction to water molecules
6
Q
standard Enthalpy change of combustion
A
1 mole of a substance reacts fully with oxygen under standard conditions (298K and 100 kPa)
