Define the standard enthalpy of formation

The standard enthalpy of formation of a substance is the enthalpy change when one mole of that substance is formed from the most stable allotropes of its elements in their standard states under standard conditions.

Answered by Alexandria G. Chemistry tutor

2722 Views

See similar Chemistry A Level tutors

Related Chemistry A Level answers

All answers ▸

Explain why chlorine has a lower boiling point than Bromine. (2 marks)


Why does ionization energy increase across a period?


Suggest why the concentration of sodium hydroxide in a solution slowly decreases when left open to air


Excess KCN(aq) is added to a solution of [Co(H2O)6]2+. Identify the complex ion formed and predict its shape and charge.


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences