Oceans

Question 1

what is lattice enthalpy?

Answer 1

enthalpy change when 1 mole of an ionic lattice is formed from gaseous ions under standard conditions

always -ve

Question 2

hydration enthalpy?

Answer 2

enthalpy change when 1 mole aqueous ions formed from gaseous ions

Question 3

enthalpy change of solution

Answer 3

enthalpy change when 1 mole of an ionic substance dissolves in enough solvent to form an infinitely dilute solution.