Chem5 Enthalpy definitions

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Taken straight from the exam papers
Angela Yianni
Flashcards by Angela Yianni, updated more than 1 year ago
Angela Yianni
Created by Angela Yianni about 9 years ago
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Question Answer
Enthalpy of formation The enthalpy change that occurs when 1 mole of a compound is formed from its elements in their standard states at STP.
Lattice formation enthalpy The enthalpy change that occurs when 1 mole of a solid, ionic lattice is formed from its gaseous ions at STP.
Lattice dissociation enthalpy The enthalpy change that occurs when 1 mole of a solid ionic lattice is broken down into its gaseous ions at STP.
Enthalpy of hydration The enthalpy change that occurs when 1 mole of a compound is completely surrounded by water to form an aqueous solution
Enthalpy of solution The enthalpy change that occurs when 1 mole of an ionic compound dissolves in sufficient solvent so that the ions are separated enough to not interact with each other
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