What is the definition of "Enthalpy Change of Formation"
The Enthalpy change when one mole of product is formed from its elements under standard states and conditions.
CK
Related Chemistry A Level answers
All answers ▸Without calculation, predict (giving you reasoning) whether the entropy change for the following reaction will be significantly positive, significantly negative or approximately zero: MgO(s) + CO2 (g) --> MgCO3 (s)
How does the first ionization enthalpy change down group 2?
How does the ionisation energy differ across period 2 from Li to Ne?
If you could give your best revision tip for exam preparation what would it be?