thermodynamics

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Total cards: 24•Content version: v3•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

enthalpy of formation

Back (Answer)

the enthalpy change when one mole of a substance is formed from it’s elements with all reactants and products in their standard states (+/-)

Front (Question)

enthalpy of combustion

Back (Answer)

the enthalpy change when one mole of a substance in it’s standard states is completely burned in oxygen (-)

Front (Question)

enthalpy of atomisation (element)

Back (Answer)

the enthalpy change when one mole of gaseous atoms is formed from the element in it’s standard states (+)

Front (Question)

enthalpy of atomisation (compound)

Back (Answer)

the enthalpy change when one mole of a compound in it’s standard state is converted into gaseous atoms (+)

Front (Question)

first ionisation energy

Back (Answer)

the enthalpy change when one mole of gaseous atoms is converted into one mole of gaseous, singly charged positive ions (+)

Front (Question)

2nd ionisation energy

Back (Answer)

the enthalpy change when one mole of gaseous, singly charged positive ions is converted into one mole of gaseous, doubly charged positive ions (+)

Front (Question)

1st electron affinity

Back (Answer)

the enthalpy change when one mole of gaseous atoms is converted into one mole of gaseous, singly negative ions (-)

Front (Question)

2nd electron affinity

Back (Answer)

the enthalpy change when one mole of gaseous, singly negatuve ions is converted into one mole of gaseous, doubly negative ions (+)

Front (Question)

lattice dissociation enthalpy

Back (Answer)

the enthalpy change when one mole of an ionic compound is separated into gaseous ions (+)

#10

Front (Question)

lattice formation enthalpy

Back (Answer)

the enthalpy change when one mole of an ionic compound is formed from it’s gaseous ions (-)

#11

Front (Question)

enthalpy of hydration

Back (Answer)

the enthalpy change when one mole of gaseous ions is converted into one mole of aqueous ions (-)

#12

Front (Question)

enthalpy of solution

Back (Answer)

the enthalpy change when one mole of an ionic compound completely dissolves in water to give a solution of infinite dilution (-/+)

#13

Front (Question)

what is the equation for gibbs free energy

Back (Answer)

ΔG = ΔH - TΔS

#14

Front (Question)

enthalpy of neutralisation

Back (Answer)

enthalpy chnage when one mole of water is formed in reaction between an acid and an alkali under standard conditions

#15

Front (Question)

bond dissociation enthalpy

Back (Answer)

enthalpy change when one mole of covalent bonds is broken in the gaseous state

#16

Front (Question)

enthalpy of vaporisation

Back (Answer)

enthalpy change when one mole of a liquid is turned into gas

#17

Front (Question)

enthalpy of fusion

Back (Answer)

enthalpy chnage when one mole of a solid is turned into a liquid

#18

Front (Question)

enthalpy of formation exo or endo

Back (Answer)

exo

#19

Front (Question)

enthalpy of combustion exo or endo

Back (Answer)

exo

#20

Front (Question)

first electron affinity exo or endo

Back (Answer)

exo

#21

Front (Question)

second electron affinity exo or endo

Back (Answer)

endo

#22

Front (Question)

bond dissociation enthalpy exo or endo

Back (Answer)

endo

#23

Front (Question)

enthalpy of vaporisation exo or endo

Back (Answer)

endo

#24

Front (Question)

enthalpy of neutralisation exo or endo

Back (Answer)

exo