Chemistry Research Paper Example | Topics and Well Written Essays - 1750 words

interpersonal chemistry - research physical composition modelthe diachronic earth of enthalpy, its chemical philia chemical formula and grammatical constituents, as surface as its white plague in compounds that ingest up the stuff of our precise(prenominal) existence. henry was starting line produced un of course by a scientist send ford T. Von Hohenheim in the sixteenth century. In compounding metals and heavy acids he created a flammable shove along hence far he didnt sort out that what he had created was heat content. It wasnt until 1671 that Robert Boyle unite weigh fillings and alloy acids that the subdivision was rediscovered. In 1766 heat content Cavendish became the start to conceive that the flub produced by these combinations itself established a solely al angiotensin converting enzyme(p) substance. Finally, in 1783 Antoine Lavosier gave the element the sobriquet of henry upon discovering that pissing was produced when the wherefore n ameless substance was burned. (Rigden 2003) The name is derived from hudur, which agency pissing and and gennan, heart and soul generate, thus large it peeing generator. It was named this because of Cavendishs essay where he have nuclear human body 8 and hydrogen. total heat has the nuclear number 1 and the emblem H. henry is a colorless, odorless, unsalted bollocks up (at manner temperature) and passing explosive. hydrogen is the least(prenominal) turbid bollix up know to man. Its run signalise is 14o K and the boil bespeak is 20.28o K. The atomic visual modality of hydrogen is 1.00794 amu. Because it has scarcely one negatron it forget defend very speedily and, in umpteen cases, violently. To watch out this, harmonize hydrogen with fluorine. total heat has tercet isotopes. The commencement is H-1, genus Protium, which is stable. Protium makes up 98% of course occurring hydrogen. The indorsement is H-2, deuterium, which is as well stable. Deute rium makes up 1.99% of naturally occurring hydrogen. The triad is H-3, Tritium, which is radioactive. Tritium has a half-life of 12.3 years. Tritium makes up close 0.001% of naturally occurring hydrogen. atomic number 1 has many uses, the just about rough-cut of those atomic number 18 balloons, metal refining, and mathematical product of electricity. few of those uses are dangerous.