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Chemistry (9701):Chemical Energetics (A2) Cheat Sheet (DRAFT) by

9701 A2 Chemistry CAIE, p4 cheat sheet

This is a draft cheat sheet. It is a work in progress and is not finished yet.

Lattice Energy

The energy change when 1 mole of a solid compound is formed from its gaseous ions under standard condit­ions.

Standard enthalpy change of solution

The energy change when 1 mole of substance dissolves in water
 

Electron Affinity

The enthalpy change when 1 mole of electrons is gained by 1 mole of gaseous ions
 

Entropy of a system

The measure of the disorder of a system
 

Standard enthalpy change of hydration

Energy change when 1 mole of gaseous ions dissolve in water to form an infinitely dilute solution