Topic 13 - Energetics 2

Question 1

Standard lattice enthalpy

Answer 1

Enthalpy change when one mole of an ionic compound is formed from its gaseous ions under standard conditions

Question 2

Standard enthalpy of atomisation

Answer 2

Enthalpy change when one mole of gaseous atoms are formed from their elements in their standard states

Question 3

First electron affinity

Answer 3

Enthalpy change when one electron is added to each atom in one mole of gaseous atoms

Question 4

Enthalpy change of hydration

Answer 4

Enthalpy change when one mole of a gaseous ion is dissolved in water under standard conditions

Question 5

Enthalpy change of solution

Answer 5

Enthalpy change when one mole of ionic solid completely dissolves in water under standard conditions

Question 6

Polarisation

Answer 6

Distortion of a charge distribution

Question 7

Entropy

Answer 7

A measure of the disorder in a system