Chapter 22- Enthalpy and entropy Flashcards

1
Q

Define lattice enthalpy

A

Enthalpy change that accompanies the formation of one mole of an ionic compound from its gaseous ions under standard conditions.

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2
Q

Define standard enthalpy change of atomisation

A

Enthalpy change that takes place for the formation of one mole of gaseous atoms from the element in its standard state under standard conditions.

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3
Q

Define first electron affinity

A

Enthalpy change that takes place when one electron is added to each atom in one mole of gaseous atoms to form one mole of gaseous 1- ions.

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4
Q

Define standard enthalpy change of a solution

A

Enthalpy change that takes place when one mole of a solute dissolves in a solvent.

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5
Q

Define enthalpy change of hydration

A

Enthalpy change that accompanies the dissolving of gaseous ions in water to form one mole of aqueous ions.

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6
Q

Define standard entropy

A

The entropy of one mole of a substance under standard conditions.

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