Duron-Petit's Law - Duron-Petit's Law
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This law states that the atomic heat of a solid element is almost constant, at about 25 J/deg (about three times the gas constant R), with a few exceptions such as carbon and boron. It was discovered by Dulong and Petit in 1819. It is not strict, and does not hold true especially at low temperatures, but it has been used to estimate atomic weights. → Related articles Duron | Petit Source : Heibonsha Encyclopedia About MyPedia Information |
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固体元素の原子熱は，炭素，ホウ素などの少数の例外を除くと，ほとんど一定で約25J/deg（気体定数Rの約３倍）であるという法則。1819年デュロンとプティが発見。厳密なものではなく，特に低温域では成立しないが，原子量の見積りに利用された。 →関連項目デュロン｜プティ 出典 株式会社平凡社百科事典マイペディアについて 情報 |
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