Liquid+and+gaseous
41Formation and evolution of the Solar System — Artist s conception of a protoplanetary disk The formation and evolution of the Solar System is estimated to have begun 4.568 billion years ago with the gravitational collapse of a small part of a giant molecular cloud …
42List of Torchwood monsters and aliens — This is a list of monsters and aliens from the television series Torchwood .AAbaddonDoctorwhocharacter name=Abaddon series=Torchwood affiliation=Bilis Manger The Beast The Light race=Demon planet=Earth era=Before the dawn of time start= End of… …
43SSME energy and power relationships — The Space Shuttle main engines are rockets that use liquid hydrogen and oxygen propellants. The ejection of propellants represents a “flow” of momentum; as a consequence of the law of conservation of momentum an equal and opposite force and… …
44Standard conditions for temperature and pressure — Not to be confused with Standard state. In chemistry, standard condition for temperature and pressure (informally abbreviated as STP) are standard sets of conditions for experimental measurements, to allow comparisons to be made between different …
45Pakistan and weapons of mass destruction — Pakistan Nuclear program start date January 20, 1972 First nuclear weapon test May 28, 1998 First fusion weap …
46Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …
47Phase transition — This diagram shows the nomenclature for the different phase transitions. A phase transition is the transformation of a thermodynamic system from one phase or state of matter to another. A phase of a thermodynamic system and the states of matter… …
48coal — coalless, adj. /kohl/, n. 1. a black or dark brown combustible mineral substance consisting of carbonized vegetable matter, used as a fuel. Cf. anthracite, bituminous coal, lignite. 2. a piece of glowing, charred, or burned wood or other… …
49water — waterer, n. waterless, adj. waterlessly, adv. waterlessness, n. waterlike, adj. /waw teuhr, wot euhr/, n. 1. a transparent, odorless, tasteless liquid, a compound of hydrogen and oxygen, H2O, freezing at 32°F or 0°C and boiling at 212°F or 100°C …
50Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium …
