Thermodynamics flash cards 0.0 / 5 ? ChemistryEntropyA2/A-levelAQA Created by: Naomi444Created on: 10-03-18 01:51 State Hess' Law The enthalpy change of a reaction is independent of the route taken and depends only on the initial and final state 1 of 5 Define Enthalpy of formation The enthalpy change when 1 mol of a compound is formed from its constituent elements, under standard conditions, 2 of 5 Define Enthalpy of combustion The enthalpy change when 1 mol of a substance is completely burned in oxygen, under standard conditions. All substances in standard states 3 of 5 Standard enthalpy of formation of an element Zero, by definition 4 of 5 2 Factors affecting Lattice enthalpy Size of ion. 5 of 5
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