where p is gas pressure, V is volume, is the number of moles, R is the universal gas constant (= 8.3144 j/(oK mole)), and T is the absolute temperature. The first law of thermodynamics, the conservation of energy, may be written in differential form as. dq = du + p dV.
Definition of DIAMOND for Kids. 1. : a very hard mineral that is a form of carbon, is usually nearly colorless, and is used especially in jewelry. 2. : a flat figure {loz} like one of the surfaces of certain cut diamonds.
APRIL BIRTHSTONE: Diamond. One of Earth's most highly prized treasures, the dazzling sparkle of diamonds have an extensive history that dates back thousands of years. Diamond gets its name from the Greek word âadamas,â which means hardest or unconquerable, likely given because of its extraordinary hardness. Shop JTV.