What is an enthalpy change (ΔHΔHΔH)?
The heat energy change for a reaction at constant volume.
The heat energy change for a reaction at constant pressure.
The activation energy required for a reaction to begin at constant pressure.
The temperature change for a reaction occurring at constant pressure.
Flashcards for Edexcel AS Level Chemistry Hess cycles, covering the key terms and definitions you need to recall. 22 cards, matched to the Edexcel AS Level Chemistry (8CH0) specification.
