Enthalpy defintions

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1. The second electron affinity

  • The enthalpy change that accompanies the formation of one mole of an ionic compound from its gaseous ions under standard conditions
  • The enthalpy change accompanying the addition of one electron to each ion in one mole of gaseous 1- ions to form one mole of gaseous 2- ions
  • The energy change that accompanies the neutralisation of an aqueous acid by an aqueous base to form one mole of H2O under standard conditions
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Other questions in this quiz

2. The standard enthalpy change of atomisation is always an ____ process as bonds have to be broken

  • Endothermic
  • Exothermic

3. Hess' Law

  • If a reaction can take place by more than one route and the initial and final conditions are the same, the total enthalpy change is the same for each route
  • The enthalpy change that accompanies the formation of one mole of an ionic compound from its gaseous ions under standard conditions
  • The enthalpy change accompanying the addition of one electron to each atom in one mole of gaseous atoms to form one mole of gaseous 1- ions

4. The breakdown of the ionic lattice into gaseous ions in (enthalpy of solution) is

  • 1 breakdown of the ionic lattice into gaseous ions 2 hydration of the ions
  • - lattice enthalpy (the energy involved has the same magnitude as lattice enthalpy but the sign is opposite)
  • Endothermic values

5. The standard enthalpy change of formation

  • The enthalpy change accompanying the addition of one electron to each atom in one mole of gaseous atoms to form one mole of gaseous 1- ions
  • The energy change that accompanies the neutralisation of an aqueous acid by an aqueous base to form one mole of H2O under standard conditions
  • The enthalpy change that takes place when one mole of a compound is formed from its constituent elements in their standard states under standard conditions
  • The enthalpy change that accompanies the formation of one mole of an ionic compound from its gaseous ions under standard conditions

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