Flashcards

Enthalpy Definitions

vickydm English 10 cards

Cards in this deck (10)

1What is Enthalpy change of FORMATION?The enthalpy change when 1 mole of a compound is formed from its elements in standard states and conditions.
2What is the Enthalpy change of ATOMISATION of an ELEMENT?The enthalpy change when 1 mole of gaseous atoms is formed from an element in standard states.
3What is the First Ionisation Enthalpy?The enthalpy change when 1 mole of gaseous +1 ions is formed from 1 mole of gaseous atoms.
4What is the First Electron Affinity?The enthalpy change when 1 mole of gaseous -1 ions is made from 1 mole of gaseous atoms.
5What is the Enthalpy change of HYDRATION?The enthalpy change when 1 mole of aqueous ions is formed from gaseous ions.
6What is Bond Dissociation Enthalpy?The enthalpy change when all the bonds of the same type in 1 mole of gaseous molecules are broken.
7What is Enthalpy change of ATOMISATION of a COMPOUND?The enthalpy change when 1 mole of a compound in the standard state is converted to gaseous atoms.
8What is the SECOND ionisation enthalpy?The enthalpy change when 1 mole of gaseous +2 ions is formed from 1 mole of gaseous +1 ions.
9What is the SECOND electron affinity?The enthalpy change when 1 mole of gaseous -2 ions is made from 1 mole of -1 ions.
10What is the enthalpy change of SOLUTION?The enthalpy change when 1 mole of solute is dissolved in sufficient solute that no further enthalpy change occurs on further dilution.