Gas dioxide, and air expand to the same extent over the same 80 kelvin interval. He noted that, for an ideal gas at constant pressure, the volume is directly proportional to its temperature: In 1802, Joseph Louis Gay-Lussac published results of similar, though more extensive experiments. Gay-Lussac credited Charles' earlier work by naming the law in his honor. Gay-Lussac himself is credited with the law describing pressure, which he found in 1809. It states that the pressure exerted on a container's sides by an ideal gas is proportional to its temperature. In 1811, Amedeo Avogadro verified that equal volumes of pure
Same-sex marriage law in the United States by state recognized under the laws of this State as if federal law recognized such marriages in the same manner as the laws of this State so that all marriages receive equal treatment. "§572 - 1 Requisites of valid marriage contract. In order to make valid the marriage contract, which shall be permitted between two individuals without regard to gender, it shall be necessary that: (1) The respective parties do not stand in relation to each other of ancestor and descendant of any degree whatsoever, two siblings of the half as well as to the whole blood, uncle and niece, uncle and