Chlorine

their eyes and throats burning from the chlorine. Most of the gas missed the Canadians, but the French retreat had exposed the Canadian’s left flank and threatened the destruction of the whole Allied position in the salient. General Alderson’s units shifted positions to cover the gap, but the German gas attack had torn a huge hole, several kilometres wide, in the Allied line.…

experiment 2, we observed that the reaction of halogenoalkanes with aqueous alkali and water which contains dissolved silver nitrate. Halogenoalkanes are alkanes which have one or more hydrogen atoms replaced by halogen atoms such as fluorine (F), chlorine (Cl), bromine (Br) and iodine (I) which are the elements in group 7 in periodic table. Halogenoalkanes have the general formula, RX, whereby R is an alkyl or substituted alkyl group and X is any of the halogen atom. Besides, halogenoalkanes…

determine the percent of chlorine in an unknown soluble salt through using gravimetric techniques. The unknown salt was dissolved in water and the chloride ions were precipitated using silver nitrate which produced silver chloride. The silver chloride was then separated by filtration techniques and through this the amount of chlorine in the original salt was able to be calculated. It is expected that the chlorine percent will be around 55.95% because that is the accepted value of chlorine…

thereafter by utter collapse. When the German infantry followed behind they meet no resistance and swiftly gained control of Ypres in what became known as the Second Battle of Ypres. [12] In total over 1,100 allied soldiers where killed by Haber’s chlorine gas. Shockingly enough German support for chemical weapons skyrocketed. The allies, after recovering from the shock of a chemical weapons of such magnitude, began their own research; and the chemical arms race…

After spending money yet again on chlorine to clean the pool, just about every swimming pool owner has wondered whether common bleach would do the job just as well. In truth, bleach contains the same base chemical as pool chlorine. That chemical is, of course, chlorine. The major differences between the two types are strength and formulation. Also, bleach is a bit less expensive than pool chlorine. Bleach Versus Pool Chlorine Common pool chlorine is made up of the chemical calcium hypochlorite…

the chlorinating products exposed to employees in the industry raises the question, “Should water chlorination be banned?” When chlorine is added to water (H2O), hypochlorous acid (HOCl) and/or hypochlorite anions (OCl-) are formed. The combination of these creates free chlorine, the most effective chlorine based disinfectant. Common chlorinating products include chlorine gas (Cl2) and calcium hypochlorite [Ca(OCl)2]. The water treatment process often consists of screening, coagulation,…

chlorination remains the most widespread method of purifying drinking water. Chlorine has eliminated waterborne diseases like cholera, typhoid and dysentery. It also eliminates slime bacteria, molds and algae that grows in water supply reservoirs. Although, high concentrations of chlorine are toxic and lethal to humans, at controlled levels it has showed to be the most effective disinfectant due to its prolonged effect. Furthermore, chlorine is relatively low in cost and appropriate for any size…

proved to be the more reactive nucleophile in this reaction. This nucleophile was faster than Chloride, because on the periodic table, Iodine has a bigger atomic size, while Chlorine has the higher electronegativity, but size trumps electronegativity, as according to ARIO rules. This means that Iodine is more acidic than Chlorine, which means that in the reaction, the Iodide could displace the Bromine from the 1-bromooctane, because it has a bigger size, much faster than the Chloride, thus…

Electrons can be core or valence. The core electrons are like nobel gases and the valance are the rest. Like noble gases, core electrons do not react, but valence electrons do. Imagine, if you will, a reaction of sodium with chlorine gas. The sodium gives up a valence electron and chlorine gains one. The compound made is 1:1 Na:Cl. A similar thing happens with potassium and bromine, you get KBr. The electron configuration of sodium is 1s2 2s2 2p6 3s1. The part up to 2p is just like the nobel…

chemistry classes, when the opportunity to job shadow a water operator at the Emlenton Water Treatment Plant arose, I took advantage of it. Even with my knowledge in chemistry, I went into the experience knowing only that they use chemicals, such as chlorine, to treat the water from the river. I came out of the experience with a more selective career path and a much greater knowledge and appreciation for water treatment plant operators. On my first day shadowing, I met my mentor, Bill Kalp, and…