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 60% for the first time. In June 2015, the Supreme Court ruled in the landmark civil rights case of "Obergefell v. Hodges" that the fundamental right of same-sex couples to marry on the same terms and conditions as opposite-sex couples, with all the accompanying rights and responsibilities, is guaranteed by both the Due Process Clause and the Equal Protection Clause of the Fourteenth Amendment to the United States Constitution. The legal issues surrounding same-sex marriage in the United States are determined by the nation's federal system of government, in which the status of a person, including marital status, is determined