Amedeo Avogadro solutions. Avogadro is hailed as a founder of the atomic-molecular theory. Amedeo Avogadro Amedeo Carlo Avogadro, () Count of Quaregna and Cerreto (9 August 17769 July 1856), was an Italian scientist, most noted for his contribution to molecular theory now known as Avogadro's law, which states that equal volumes of gases under the same conditions of temperature and pressure will contain equal numbers of molecules. In tribute to him, the number of elementary entities (atoms, molecules, ions or other particles) in 1 mole of a substance, , is known as the Avogadro constant, one of the seven SI base units
Same-sex marriage in the United States federal and state case law regarding same-sex marriage: Same-sex marriage in the United States Same-sex marriage in the United States expanded from one state in 2004 to all fifty states in 2015 through various state court rulings, state legislation, direct popular votes, and federal court rulings. Same-sex marriage is also referred to as gay marriage, while the political status in which the marriages of same-sex couples and the marriages of opposite-sex couples are recognized as equal by the law is referred to as marriage equality. The fifty states each have separate marriage laws, which must adhere to rulings by the