CCEA Definitions A2.1 Flashcards
1
Q
Lattice Enthalpy
A
The enthalpy change when one mole of an ionic compound is converted to gaseous ions.
2
Q
Enthalpy of Atomisation
A
The enthalpy change when one mole of gaseous atoms is formed from the element in its standard state.
3
Q
First Electron Affinity
A
The enthalpy change when one mole of gaseous atoms is converted into gaseous ions with a single negative charge.
4
Q
Enthalpy of Solution
A
The enthalpy change when one mole of a solute dissolves in water.
5
Q
Enthalpy of Hydration
A
The enthalpy change when one mole of a solute dissolves in water.
6
Q
Feasible
A
A reaction for which DeltaG<0.
7
Q
Entropy
A
A measure of disorder (randomness).
8
Q
Free Energy Change (DeltaG)
A
DeltaG = DeltaH - TDeltaS
