Key definitions Flashcards
1
Q
Standard enthalpy change of solution.
A
The enthalpy change that occurs when one mole of a compound is completely dissolved in water under standard conditions.
2
Q
Lattice enthalpy.
A
The enthalpy change that occurs when one mole of an ionic compound is formed from its gaseous ions under standard conditions.
3
Q
Entropy.
A
The quantitative measure of the dispersal of energy and disorder in a chemical system.
4
Q
Standard enthalpy change of formation.
A
The enthalpy change when one mole of a compound is formed from its constituent elements in their standard states under standard conditions.
5
Q
First ionisation energy.
A
The enthalpy change that occurs when one mole of gaseous atoms forms one mole of gaseous 1+ ions.
