enthalpy

Question 1

What is enthalpy change?

Answer 1

Heat energy change measured under conditions of constant pressure

Question 2

What is Lattice enthalpy of formation?

Answer 2

Energy when a one mole of ionic lattice is formed from its gaseous ions

Question 3

What sign would a lattice formation enthalpy have?

Answer 3

Negative (exothermic)

Question 4

What sign would lattice dissociation enthalpy have?

Answer 4

Positive (endothermic)

Question 5

What is enthalpy change of solution?

Answer 5

One mole of solute dissolving in water to form a dilute solution