Mole (unit) in chemistry as a convenient way to express amounts of reactants and products of chemical reactions. For example, the chemical equation can be interpreted to mean that 2 mol dihydrogen (H) and 1 mol dioxygen (O) react to form 2 mol water (HO). The mole may also be used to represent the number of atoms, ions, or other entities in a given sample of a substance. The concentration of a solution is commonly expressed by its molarity, defined as the amount of dissolved substance per unit volume of solution, for which the unit typically used is moles per litre (mol/l).
The Tao of Physics what has happened. The Tao of Physics The Tao of Physics: An Exploration of the Parallels Between Modern Physics and Eastern Mysticism is a 1975 book by physicist Fritjof Capra. It was a bestseller in the United States and has been published in 43 editions in 23 languages. The fourth edition in English was published in 2000. The following excerpt from "The Tao of Physics" summarizes Capra's motivation for writing this book “Science does not need mysticism and mysticism does not need science. But man needs both.” According to the preface of the first edition, reprinted in subsequent editions, Capra