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.
It is believed that wearing jewelry containing a diamond will focus the energies of the precious gemstone through the gem. The symbolic meaning of the color yellow was renewal and hope, however, the color was also associated with envy, greed and treachery.he word Diamond is derived from the Greek word adamas which means hardest metal reflecting the property of the stone. Diamonds with a detectable hue, other than yellow or brown are known as colored diamonds. If the colour is strong enough, a stone may be referred to as a fancy colored diamond by the trade.