energy electrons and enthalpy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Enthalpy of formation | enthalpy change when one mole of substance is formed from its constituent elements with all substances in their standard states
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| Enthalpy of combustion | enthalpy change when one mole of substance undergoes complete combustion in oxygen with all substances in standard states
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| Ionisation enthalpy | first ionisation energy is the enthalpy change when one mole of gaseous atoms loses one electron per atom to produce gaseous 1+ ions
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| Electron affinity | the first electron affinity is the enthalpy change when one mole of gaseous atoms gains one electron per atom to produce gaseous 1- atoms
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| enthalpy of atomisation | enthalpy change when one mole of gaseous atoms is produced from an element in its normal state
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| hydration enthalpy | enthalpy change when one mole of gaseous ions became hydrated (dissolved in water) forming one mole of aq ions
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| Enthalpy of solution | enthalpy change when one mole of ionic solid dissolves in an amount of water large enought that the dissolved ions are well separated and do not interact with each other
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| bond dissociated enthalpy | enthalpy change when one mole of covalent bonds is broken in the gaseous state
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| lattice enthalpy of formation | ethalpy change when one mole of solid ionic compound is formed from its constituent ions in the gas phase
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| lattice enthalpy of dissociation | enthalpy change when one mole of a solid ionic compound is broken into its constituent ions in the gas phase
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| enthalpy | energy change
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| Lattice enthalpy | enthalpy change that accompanies the formation of one mole of ionic compound from its gaseous ions under standard conditions
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| Hess' law | if a reaction can take place by more than one and the inital and final conditions are the same, the total enthalpy change is the same for each route.
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| enthalpy change of neutralisation | enthalpy change that occurs when one mole of water is formed from adding an alkali and an acid together under standard conditions
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