Fichas
Energy definitions
Fichas del conjunto (15)
- 1Define lattice enthalpythe enthalpy change that accompanies the formation of one mole of an ionic compound from its gaseous ions under standard conditions
- 2Define the enthalpy change of atomisationThe enthalpy change that takes place when one mole of gaseous atoms is formed form its element in its standard state.
- 3Define standard enthalpy change of formationthe enthalpy change that accompanies the formation of 1 mole of compound from its constituent elements in their standard states under standard conditions
- 4Define second ionisation energythe enthalpy change that accompanies the removal of one electron from each ion in one mole of 1+ gaseous ions to form 1 mole of gaseous 2+ ions.
- 5Define 1st electron affinitythe enthalpy change accompanying the addition of one electron to each atom in 1 mole of gaseous atoms to form 1 mole of gaseous 1- ions.
- 6Define standard enthalpy change of solutionThe enthalpy change that takes place when one mole of compound is completely dissolved in water under standard conditions
- 7Define standard entropy change of reactionThe entropy change that accompanies a reaction in the molar quantities expressed in a chemical equation under standard conditions, and with all reactants and products being in their standard states.
- 8Define first ionisation energythe enthalpy change that accompanies the removal of one electron from each atom in one mole of gaseous atoms to form 1 mole of gaseous 1+ ions.
- 9Define standard enthalpy change of hydrationthe enthalpy change that takes place when one mole of isolated gaseous ions is dissolved in water to form 1 mole of aqueous ions, under standard conditions.
(P.S. this definition regularly comes up in exam papers along with lattice enthalpy) - 10Define oxidationLoss of electrons
- 11Define 2nd electron affinitythe enthalpy change accompanying the addition of one electron to each ion in 1 mole of gaseous 1- ions to from 1 mole of gaseous 2- ions.
- 12What are the standard conditions?298K
100kPa / 1atm
1 mol/dm^3 concentrations - 13Define entropy, S.the quantitative measure of the degree of disorder in a system.
( -S = less disorder/more order and +S= more disorder) - 14Define reductionThe gain of electrons
- 15Define standard electrode potentialThe emf of a half cell compared with a standard hydrogen half cell, measured under standard conditions (298K, solution concentrations of 1 mol/dm^3, 100kPa)
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- GCE (F325 - Energy) Chemistry Fichas sobre Energy definitions , creado por sophie.holland96 el 22/02/2014.
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