Chemistry · Chemistry
Energy in Reactions
Why reactions release or absorb energy: bond energies, enthalpy (ΔH), exo- vs endothermic, Hess's law, calorimetry, activation energy and catalysts, entropy and Gibbs free energy deciding spontaneity.
Step 1 of 6 · Overview30 min read ·
Key idea
Prereqs: Reactions & stoichiometry. Next: Materials & batteries; organic chemistry. Sources: OpenStax *Chemistry 2e* ch. 5 & 16; Crash Course Chemistry #17–20.Next: 1. Enthalpy