Key term for OCR GCSE Chemistry B, used in Energy changes in reactions.
The net energy absorbed or released during a chemical reaction, calculated as the difference between energy in and energy out.
Overall energy change (ΔH) appears in OCR GCSE Chemistry B revision content for Air and water, especially Energy changes in reactions and Calculating energy changes.
Create a free account to access OCR GCSE Chemistry B revision notes, track progress, and practise related key terms.
