Enthaply Definitions Flashcards
1
Q
Standard enthalpy change of combustion
A
The enthalpy change when 1 mole of a substance is completely burned in oxygen under standard conditions
2
Q
Enthalpy change
A
Is the heat energy transferred in reaction at constant pressure
Units= kJmol-1
3
Q
Standard enthalpy change of formation
A
The enthalpy change when 1 mole of a compound is formed from its element ms in their standard states under standard conditions
4
Q
Standard enthalpy change of reaction
A
The enthalpy change when the reaction occurs in the molar quantities shown in the chemical equation under standard conditions
5
Q
Standard enthalpy change of neutralisation
A
The enthalpy change when an acid and an alkali react together under standard conditions to form 1 mole of water
