8 - energetics

Question 1

standard conditions

Answer 1

indicated by ⦵, 101kPa, 298K

Question 2

enthalpy change of reaction

Answer 2

enthalpy change when a reaction occurs in molar quantities in the chemical equation (⦵)

Question 3

enthalpy change of formation

Answer 3

enthalpy change when 1 mole of a coin pound is formed from its elements in their standard states (⦵)

Question 4

enthalpy change of combustion

Answer 4

enthalpy change when 1 mole of a compound is completely burned in oxygen (⦵)

Question 5

enthalpy change of neutralisation

Answer 5

enthalpy change when an acid + alkali react to form 1 mole of water (⦵)