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10 cards from this deck
Enthalpy change when 1 mol ionic compound forms from gaseous ions
Always negative (exothermic)
Calculate lattice enthalpy indirectly using Hess's Law
Enthalpy change when 1 mol compound forms from elements
Enthalpy change forming 1 mol gaseous atoms from element
Always positive (endothermic)
Remove 1 electron from each atom in 1 mol gaseous atoms
Add 1 electron to each atom in 1 mol gaseous atoms
Negative (exothermic)
Positive (endothermic) - electron added to negative ion
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