H2s molar mass
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Hydrogen sulfide is also used as an analytical chemistry standard in the determination of presence of inorganic cations such as Cu 2+, Hg 2+ and Pb 2+. One of these reactions to form metal salts (sulfides and hydrosulfides) are: Uses: Hydrogen sulfide is mostly used in the production of other sulfur compounds such as thioesters, metal sulfide salts and to produce sulfur. Another interesting activity is the conductivity potential that hydrogen sulfide has high pressures. Related Resources: thermodynamics Molar Mass Gas Constant. It can reduce some bases and can also be an oxidant, for example, when in contact with metals, it can form sulfide salts. Hydrogen sulfide is corrosive and it is heavier than air, so it can accumulate at the bottom of close spaces.Ĭhemical properties: Hydrogen sulfide is highly susceptible to suffer reduction or oxidation reactions consequently it is classified as a highly reactive compound.
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It is slightly soluble in water and it is not soluble in other in other organic solvents. Its melting point is -82 ☌ and the boiling point is -60 ☌. Physical properties: Hydrogen sulfide is a colourless gas with a pungent, like rotten eggs odour. The last method is not largely used and it is more common the inverse reaction of sulfide hydrogen with several catalysts to recover sulfur solid.
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It can also be prepared with the reaction of hydrogen gas and sulfur solid at high temperatures: Preparation: Hydrogen sulfide can be extracted from natural gas or other gas containing it in its mixture. It is also biosynthesized by human in small amounts. Hydrogen sulfide is part of the biogeochemical cycle of sulfur on Earth. In some deep water well as hot springs, hydrogen sulfide can be also found. It is formed by the reaction with elemental silver with hydrogen sulfide gas. It can also be found in volcanic gases, crude oil and natural gas. Occurrence: Hydrogen sulfide is found in nature as produced by bacteria through the cleavage of organic matter. Its chemical structure can be written as below, in the common representations used for organic molecules. The structure is similar to the water molecule, forming a V between the three atoms with an angle of 92°. The two protons are bound to the sulfur centered atom through a single covalent bond. The molecule is formed by two protons H + and one sulfur anion S 2. Formula and structure: The hydrogen sulfide chemical formula is H 2S.