Dulong and Petit law

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• Dulong and Petit's law — Du·long and Pe·tit s law d(y)ü .lȯŋ ən pə tēz , d(y)ü n a law in physics and chemistry: the specific heats of most solid elements multiplied by their atomic weights are nearly the same averaging a little over six calories per degree Celsius per… …   Medical dictionary

• law of dulong and petit — Usage: usually capitalized D&P : dulong and petit s law …   Useful english dictionary

• dulong and petit's law — |d(y)üˌl]ȯŋənpəˈtēz , d(y)ü|l] noun Usage: usually capitalized D&P Etymology: after Pierre L. Dulong died 1838 and Alexis T. Petit died 1820 French physicists : a law in physics and chemistry: the atomic heats of most solid elements are nearly… …   Useful english dictionary

• Dulong–Petit law — The Dulong–Petit law, a chemical law proposed in 1819 by French physicists Pierre Louis Dulong and Alexis Thérèse Petit, states the classical expression for the molar specific heat capacity of a crystal. Experimentally the two scientists had… …   Wikipedia

• Dulong–Petit law — ▪ science       statement that the gram atomic heat capacity (specific heat times atomic weight) of an element is a constant; that is, it is the same for all solid elements, about six calories per gram atom. The law was formulated (1819) on the… …   Universalium

• Dulong-Petit law — n. chemical law that states that specific heat capacity of many solid elements are contrarily proportional to their atomic weights (law formulated in 1819 by Pierre Louis Dulong and Alexis Petit) …   English contemporary dictionary

• Petit's law — Dulong and Petit s l …   Medical dictionary

• Petit , Alexis-Thérèse — (1791–1820) French physicist Petit, who was born at Vesoul in France, entered the Ecole Polytechnique in 1807. He spent a period teaching physics in Paris, and received a doctorate in 1811. He was one of the professors of physics at the Ecole… …   Scientists

• Petit's law — Pe·tit s law (pə tēzґ) [Alexis Therese Petit, French physicist, 1791–1820] Dulong and Petit s law; see under law …   Medical dictionary

• Dulong, Pierre-Louis — ▪ French scientist born Feb. 12, 1785, Rouen, Fr. died July 18, 1838, Paris  chemist and physicist who helped formulate the Dulong–Petit law of specific heats (1819), which proved useful in determining atomic weights.       He was an assistant to …   Universalium

• Dulong — n. family name; Pierre Louis Dulong (1785 1838), French chemist and physicist who formulated the Dulong Petit law in 1819 together with Alexis Petit …   English contemporary dictionary