Enthalphy Change Definitions

Question 1

Combustion

Answer 1

1 mole of element or compound is completely combusted under standard conditions in their standard state

Question 2

Formation

Answer 2

1 mole of compound is formed from its elements under standard conditions in their standard states

Question 3

Solution

Answer 3

1 mole of solute is completely dissolved in a solvent to form an infinitely dilute solution under standard conditions in their standard state

Question 4

Hydration

Answer 4

1 mole of ions in a gas phase are dissolved in water under standard conditions in their standard state

Question 5

Atomisation

Answer 5

1 mole of gaseous atom is formed from its elements under standard conditions in their standard state

Question 6

Neutralization

Answer 6

1 mole of H+ and OH- combine to form a 1 mole of H2O under standard conditions in their standard state