5 articles
Le Chatelier's principle predicts how a chemical equilibrium responds to concentration, pressure, and temperature changes — partially counteracting each stress while only heat actually shifts K.
A sealed flask settles at a fixed shade of brown and stays there forever — not because the reaction ended, but because the forward and reverse reactions now run at exactly the same rate.
How a single fixed-point idea — nobody can improve by changing their mind alone — explains cartels, auctions, arms races, and why cooperation still manages to survive.
pH is a logarithm, which is why one unit is a factor of ten and why your blood can survive a lifetime of acidic meals. A tour of proton transfer, water's autoionisation, strong versus weak acids, buffers and titration curves.
Diamond spontaneously turns into graphite and yet your ring survives — the gap between those two facts is the whole story of Gibbs free energy, the referee between energy and disorder.