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Chemistry > Lattice Enthalpies > Flashcards

Lattice Enthalpies Flashcards

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1
Q

Hess’ Law

A

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

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2
Q

Standard enthalpy change of formation

A

Enthalpy change that takes place when one mole of a compound is formed from its constituent elements in their standard states under standard conditions
(EXOTHERMIC)

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3
Q

Enthalpy change of atomisation

A

Enthalpy change that takes place when one mole of gaseous atoms forms from the element in its standard state
(ENDOTHERMIC)

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4
Q

First ionisation energy

A

Enthalpy change accompanying the removal of one electron from each atom in one mole of gaseous atoms to form one mole of gaseous 1+ ions
(ENDOTHERMIC)

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5
Q

Second ionisation energy

A

Enthalpy change accompanying the removal of one electron from each ion in one mole of gaseous 1+ ions to form one mole of gaseous 2+ ions
(ENDOTHERMIC)

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6
Q

First electron affinity

A

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
(EXOTHERMIC)

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7
Q

Second electron affinity

A

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
(ENDOTHERMIC)

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8
Q

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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9
Q

Standard enthalpy change of solution

A

Enthalpy change that takes place when one mole of a compound is completely dissolved in water under standard conditions
(EXO or ENDO)

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10
Q

Standard enthalpy change of hydration

A

Enthalpy change that takes place when one mole of the isolated gaseous ions is dissolved in water forming one mole of aqueous ions under standard conditions
(EXOTHERMIC)

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11
Q

Standard entropy change of reaction

A

Entropy change that accompanies a reaction in the molar quantities expressed in a chemical equation under standard conditions, all reactants and products being in their standard states

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12
Q

Free energy change ?G

A

Balance between enthalpy, entropy and temp for a process
?G = ?H - T?S

If ?G

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13
Q

Standard enthalpy change of solution

A

Enthalpy change that takes place when one mole of a compound is completely dissolved in water under standard conditions
(EXO or ENDO)

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14
Q

Standard enthalpy change of hydration

A

Enthalpy change that takes place when one mole of the isolated gaseous ions is dissolved in water forming one mole of aqueous ions under standard conditions
(EXOTHERMIC)

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15
Q

Standard entropy change of reaction

A

Entropy change that accompanies a reaction in the molar quantities expressed in a chemical equation under standard conditions, all reactants and products being in their standard states

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16
Q

Standard enthalpy change of solution

A

Enthalpy change that takes place when one mole of a compound is completely dissolved in water under standard conditions
(EXO or ENDO)

17
Q

Standard enthalpy change of hydration

A

Enthalpy change that takes place when one mole of the isolated gaseous ions is dissolved in water forming one mole of aqueous ions under standard conditions
(EXOTHERMIC)

18
Q

Standard entropy change of reaction

A

Entropy change that accompanies a reaction in the molar quantities expressed in a chemical equation under standard conditions, all reactants and products being in their standard states

19
Q

Standard enthalpy change of solution

A

Enthalpy change that takes place when one mole of a compound is completely dissolved in water under standard conditions
(EXO or ENDO)

20
Q

Standard enthalpy change of hydration

A

Enthalpy change that takes place when one mole of the isolated gaseous ions is dissolved in water forming one mole of aqueous ions under standard conditions
(EXOTHERMIC)

21
Q

Standard entropy change of reaction

A

Entropy change that accompanies a reaction in the molar quantities expressed in a chemical equation under standard conditions, all reactants and products being in their standard states

22
Q

Standard enthalpy change of solution

A

Enthalpy change that takes place when one mole of a compound is completely dissolved in water under standard conditions
(EXO or ENDO)

23
Q

Standard enthalpy change of hydration

A

Enthalpy change that takes place when one mole of the isolated gaseous ions is dissolved in water forming one mole of aqueous ions under standard conditions
(EXOTHERMIC)

24
Q

Standard entropy change of reaction

A

Entropy change that accompanies a reaction in the molar quantities expressed in a chemical equation under standard conditions, all reactants and products being in their standard states

25
Q

Standard enthalpy change of solution

A

Enthalpy change that takes place when one mole of a compound is completely dissolved in water under standard conditions
(EXO or ENDO)

26
Q

Standard enthalpy change of hydration

A

Enthalpy change that takes place when one mole of the isolated gaseous ions is dissolved in water forming one mole of aqueous ions under standard conditions
(EXOTHERMIC)

27
Q

Standard entropy change of reaction

A

Entropy change that accompanies a reaction in the molar quantities expressed in a chemical equation under standard conditions, all reactants and products being in their standard states

28
Q

Standard enthalpy change of solution

A

Enthalpy change that takes place when one mole of a compound is completely dissolved in water under standard conditions
(EXO or ENDO)

29
Q

Standard enthalpy change of hydration

A

Enthalpy change that takes place when one mole of the isolated gaseous ions is dissolved in water forming one mole of aqueous ions under standard conditions
(EXOTHERMIC)

30
Q

Standard entropy change of reaction

A

Entropy change that accompanies a reaction in the molar quantities expressed in a chemical equation under standard conditions, all reactants and products being in their standard states

Chemistry (3 decks)

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