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Download this complete,fully solved and updated actual exam for Revised CCEA Chemistry A21 terms $14.99   Add to cart

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Download this complete,fully solved and updated actual exam for Revised CCEA Chemistry A21 terms

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Lattice enthalpy The enthalpy change when one mole of an ionic compound is converted to gaseous ions. Enthalpy of atomisation The enthalpy change when one mole of gaseous atoms isformed from the element in its standard state. First electronaffinity The enthalpy change when one mo...

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  • July 13, 2024
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  • 2023/2024
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Download this
complete,fully
solved and
updated actual
exam for
Revised CCEA
Chemistry A21
terms
Lattice enthalpy - answer The enthalpy
change when one mole of an ionic compound
is converted to gaseous ions.


Enthalpy of atomisation - answer The
enthalpy change when one mole of gaseous

, atoms isformed from the element in its
standard state.


First electronaffinity - answer The enthalpy
change when one mole of gaseous atoms is
converted into gaseous ions with a single
negative charge.


Enthalpy of solution - answer The enthalpy
change when one mole of a solute dissolves in
water.


Enthalpy of hydration - answer The enthalpy
change when one mole of gaseous ions is
converted to one mole of aqueous ions.


Feasible - answer A reaction for which ΔG <
0.


Entropy - answer A measure of disorder
(randomness).

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