Energy on Earth


Perhaps you may find Hank Green Helpful
Intro to Energy (#17) ......................... Enthalpy (#18)


Calorimetry of Reactions in Solution (#19) .................... Entropy (#20)


Gibbs Free Energy (Bozemanscience)


What is fire anyway?


Absolute zero


Entropy (especially from 0.25 to 0.55


Entropic Time