chemistry topic 13 edexcel 0.0 / 5 ? ChemistryEnergeticsA2/A-levelEdexcel Created by: Elliemorris02Created on: 05-10-19 11:04 what is lattice energy? is the energy change when one mole of the ionic solid is formed from its gaseous ions. 1 of 13 what is standard lattice energy? under standard conditions (298k, 100kpa/1atm) 2 of 13 what are electron affinity? the energy change when each atom in 1 mole of atoms in the gaseous state gains an electron to form a -1 ion. 3 of 13 what is the standard enthalpy change of atomisation? the enthaply and 100kpa when 1 mole of gaseous atoms is formed from an element in its standard state. 4 of 13 what is the born-haber cycle used for? used when we can't find the value experimentally 5 of 13 what is experimental lattice energy? calculating value for lattice energy of ionic compound from knowledge of the of other energy changes. 6 of 13 what is the theoretical lattice energy? x-ray crytallography used to find type of lattice structure + inter-ionic distance. 7 of 13 what is the definition of enthalpy change of solution? enthalpy change when 1 mole of an ionic solid dissolves in water to form an infinitely dilute solution. 8 of 13 what is the definition of the enthalpy change of hydration? enthalpy change when 1 mole of ion in gaseous state is completely hydrated by water. 9 of 13 What is entropy? is a property of a matter that is associated with the degree of randomness of the particles. 10 of 13 what state has the highest entropy? Gas 11 of 13 what happens to the entropy when you dissolve a ionic solid in water. entropy increases 12 of 13 what happens if a substance is hydrated? entropy decreases 13 of 13
COMPLETE - A2 - Chemistry - Unit 4 - Edexcel - New Spec 2008 5.0 / 5 based on 1 rating Teacher recommended
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