History of chemistry 1808, certain of his central ideas were soon adopted by most chemists. However, uncertainty persisted for half a century about how atomic theory was to be configured and applied to concrete situations; chemists in different countries developed several different incompatible atomistic systems. A paper that suggested a way out of this difficult situation was published as early as 1811 by the Italian physicist Amedeo Avogadro (1776-1856), who hypothesized that equal volumes of gases at the same temperature and pressure contain equal numbers of molecules, from which it followed that relative molecular weights of any two gases are the same as
Same-sex marriage law in the United States by state this State, whether derived from statutes, administrative rules or regulations, court rules, governmental policies, common law, court decisions, or any other provisions or sources of law, including in equity, adopt, refer to, or rely upon in any manner, provisions of United States federal law that would have the effect of treating differently same-gender married spouses or their children as compared to different-gender married spouses or their children, same-gender married spouses and their children shall be treated in all respects by the laws of this State as if United States federal law recognizes a marriage between persons of the same gender