The internal energy is a state variable, just like the temperature or the pressure. The first law of thermodynamics defines the internal energy (E) as equal to the difference of the heat transfer (Q) into a system and the work (W) done by the system.E2 - E1 = Q-W We have emphasized the words into and by in the definition.hermodynamics is a branch of physics which deals with the energy and work of a system. Thermodynamics deals only with the large scale response of a system which we can observe and measure in experiments.
exists and is an alternate of . Meaning of Troy - What does the name Troy mean? Pronunciation: troi Gender: Boy Name Origin: English Name Meaning: Transferred use of the surname originating from the place-name Troyes in Aube, Normandy. Also, Troy means foot-soldier because of the invasion of Troyes, Greece.
Brittany /brit-tany/ [3 sylls.] as a girls' name is pronounced BRIT-nee, BRIT-a-nee. It is of Latin origin, and the meaning of Brittany is from Brittany or Britain .Modern coinage from the name of an ancient duchy (Bretagne) in France. Celtic Bretons emigrated from France and became the Bretons of England; later the name Britain came to signify the country.The name has also been influenced by Britt, of which it is sometimes regarded as the full form. Singer Britney Spears; actress Brittany Murphy.Kreatif forms: Bertany, Breetany, Brutany.eltic Bretons emigrated from France and became the Bretons of England; later the name Britain came to signify the country. The name has also been influenced by Britt, of which it is sometimes regarded as the full form. Singer Britney Spears; actress Brittany Murphy. Kreatif forms: Bertany, Breetany, Brutany.