AQA Chem4 (A2)
Equilibrium constant, Kc – Part 1 (web link)
Equilibrium constant, Kc – Part 2 (web link)
F331 (Salters)
Hess’ Law (pdf download)
Hess’ Law (web link)
Bond Enthalpy (web link)
F322 (OCR A)
Hess’ Law (pdf download)
Hess’ Law (web link)
Bond Enthalpy (web link)