AQA Certificate in Chemistry / iGCSE - Calculating Energy Changes from Bond Data

This video walks through how to calculate an energy change (enthalpy change) from a given equation and bond energies as per the AQA Certificate in Chemistry / iGCSE.

[haseeb]

E Rintoul 3 years later, im still using this video, thanks

[lisaschneider]

I'm using this in 2019! It's very helpful, so, thank you!

[erfanshojaei]

thank for the videos they are pretty helpful 
1 question : Im studying AS Chemistry I find the Question paper a little more difficult than other subjects how can I improve and be able to score the best possible result. please I have too.
like how can I get to like chemistry more than what I do now?