1
Q
What’s Hess’ law
A
Enthalpy change is independent of the route taken provided initial and final conditions are the same
2
Q
Enthalpy formation Hess cycle
A
3
Q
Enthalpy combustion Hess cycle
A
4
Q
Bond enthalpy
A
5
Q
Enthalpy of solution
A
6
Q
Stages in Born-Haber Cycle
A
Start with elements in standard states
Go down for enthalpy of formation of ionic compound
From elements in standard states go up for atomisation of metal
Up again for atomisation of non metal
Up again for ionisation of metal
Down for electron affinity of non metal
Lattice enthalpy of formation down to one mole of ionic solid
Enthalpy Changes
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