Diwali is the five-day festival of lights, celebrated by millions of Hindus, Sikhs and Jains across the world. The festival, which coincides with the Hindu New Year, celebrates new beginnings and the triumph of good over evil and light over darkness.
The law of definite proportions, also known law of definite composition, states that regardless of the amount, a pure compound always contains the same elements in the same proportions by mass.
5, page 202: The (A) law of mass action, the (B) Pauli principle, the (C) superconductivity and the (D) uncertainty principle were found at higher aggregation levels of the particle world and applied to (A) molecules, (B) atoms, (C) metal crystals and (D) elementary particles. The Henderson-Hasselbalch equation is based on the law of mass action.