3.2 Enthalpy changes

Question 1

enthalpy change of combustion

Answer 1

-energy change that takes place when 1 mole of a substance is completely combusted

Question 2

enthalpy change of formation

Answer 2

-energy change that takes place when 1 mole of a compound is formed from its constituent elements in their standard state under standard conditions

Question 3

enthalpy change of neutralisation

Answer 3

-energy change that takes place when 1 mole of water is formed from a neutralisation reaction under standard conditions

Question 4

enthalpy change of reaction

Answer 4

-energy change associated with a given reaction