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10 questions from this quiz
Lattice enthalpy
It cannot be measured directly
Hess's Law
Energy when 1 mole of compound forms from elements
Energy to remove electrons from gas atoms
Energy when electrons added to gas atoms
Negative
Na(s) → Na(g)\text{Na(s) → Na(g)}Na(s) → Na(g)
-787 kJ/mol
Energy to convert elements to gas atoms
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