Because of the corrosive nature of the acid, ceramic, glass, or sometimes tantalum apparatus is commonly used. Hydrochloric acid is prepared by dissolving gaseous hydrogen chloride in water. It is also produced by the reaction of some chlorides (e.g., phosphorus trichloride, PCl 3, or thionyl chloride, SOCl 2) with water and as a by-product of the chlorination of many organic substances (e.g., methane or benzene). Hydrogen chloride is commonly prepared both on a laboratory and on an industrial scale by the reaction of a chloride, generally that of sodium (NaCl), with sulfuric acid (H 2SO 4). The reaction, represented by the equation H 2 + Cl 2 → 2HCl, is accompanied by evolution of heat and appears to be accelerated by moisture. Hydrogen chloride may be formed by the direct combination of chlorine (Cl 2) gas and hydrogen (H 2) gas the reaction is rapid at temperatures above 250 ☌ (482 ☏). A solution of the gas in water is called hydrochloric acid. Hydrogen chloride (HCl), a compound of the elements hydrogen and chlorine, a gas at room temperature and pressure.
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#Hydrogen chloride formula how to
COVID-19 Portal While this global health crisis continues to evolve, it can be useful to look to past pandemics to better understand how to respond today.Student Portal Britannica is the ultimate student resource for key school subjects like history, government, literature, and more.From tech to household and wellness products. This Time in History In these videos, find out what happened this month (or any month!) in history.#WTFact Videos In #WTFact Britannica shares some of the most bizarre facts we can find.Demystified Videos In Demystified, Britannica has all the answers to your burning questions.Britannica Explains In these videos, Britannica explains a variety of topics and answers frequently asked questions.Britannica Classics Check out these retro videos from Encyclopedia Britannica’s archives.P403 + P235 : Store in a well-ventilated place. P403 + P233 : Store in a well-ventilated place. Remove contact lenses, if present and easy to do. P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. P363 : Wash contaminated clothing before reuse. P301 + P330 + P331 : IF SWALLOWED: Rinse mouth.
#Hydrogen chloride formula skin
P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor. P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection. P264 : Wash skin thoroughly after handling. P271 : Use only outdoors or in a well-ventilated area. P241 : Use explosion-proof electrical/ ventilating/ lighting/ equipment. P243 : Take precautionary measures against static discharge. P201 : Obtain special instructions before use. P210 : Keep away from heat/sparks/open flames/hot surfaces. P240 : Ground/bond container and receiving equipment. P202 : Do not handle until all safety precautions have been read and understood. P270 : Do not eat, drink or smoke when using this product. P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray. P501 : Dispose of contents/ container to an approved waste disposal plant. H225 : Highly flammable liquid and vapor.
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H336 : May cause drowsiness or dizziness. H334 : May cause allergy or asthma symptoms or breathing difficulties if inhaled. H372 : Causes damage to organs through prolonged or repeated exposure. H314 : Causes severe skin burns and eye damage. H302 + H332 : Harmful if swallowed or if inhaled.