5.2.1 Lattice Enthalpy Definitions

Question 1

Enthalpy change of solution

Answer 1

Enthalpy change that takes place when 1 mole of a compound is dissolved completely in water under standard conditions

Question 2

Enthalpy change of hydration

Answer 2

Enthalpy change that takes place when 1 mole of isolated gaseous ions is dissolved in water forming 1 mole of aqueous ions under standard conditions

Question 3

Lattice Enthalpy

Answer 3

Enthalpy change that accompanies the formation of 1 mole of an ionic compound from its gaseous ions under standard conditions

Question 4

Ionisation energy

Answer 4

Enthalpy change for the removal of 1 mole of electrons from 1 mole of gaseous atoms