Thermochemistry

Unit 6: Thermochemistry in AP Chemistry focuses on the study of energy changes associated with chemical reactions and physical transformations. Key topics include enthalpy (
Δ
𝐻
ΔH), heat capacity, calorimetry, and the distinction between endothermic and exothermic processes. Students also explore Hess’s Law, standard enthalpies of formation, and the relationship between energy, work, and heat. By mastering thermochemistry, students gain a deeper understanding of energy flow and its role in chemical systems, a critical component of advanced chemistry concepts.