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    Chlorine

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    Chlorine Chlorine is (at room temperature) a greenish-yellow gas that can be readily liquefied at 5170 Tarr or 6.8 atmospheres, at 20 C (68 F), and has a very disagreeable odor. It’s Element Symbol is Cl, atomic number is 17, and atomic mass is 35.453. Chlorine’s melting point is -101 C or 149.8 F. The boiling point is -34.05 C or -29.29 F, at one atmosphere pressure. Chlorine is a member of the halogen group. Chlorine was discovered by Swedish scientist Karl Wilhelm in 1784, but he first thought

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    Chlorine

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    An element in chemistry is more than just an element; at least Chlorine is more than just an element. It is very useful in many ways that help people today. Chlorine is a common nonmetallic element belonging to the halogens; it is a heavy yellow irritating toxic gas; it is used to purify water and as a bleaching agent and disinfectant; occurs naturally only as a salt. People should know more about the uses of chlorine and why chlorine is used in many processes, for example; bleaching, and why we use

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    The Element: Chlorine

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    Element: Chlorine General Information We researched the chemical element known as chlorine. Chlorine has an atomic number of 17 and an atomic weight of 35.453. It has a valence number of 3. The element has 3 energy levels. Chlorine exists as a greenish-yellow gas at normal temperatures and pressures. Chlorine is second in reactivity only to fluorine among the halogen elements. Chlorine is a nonmetal. It is estimated that 0.045% of the earth’s crust and 1.9% of sea water are chlorine. Chlorine combines

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    The History Of Chlorine

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    Chlorination is one of the most used method that has been used to disinfect water. The usage of chlorine in water treatment was first applied back in 1990’s. Chlorine has been mostly used in water treatment than any other application because it is very active and it destroys a wide range of harmful bacteria and viruses in the water. Disinfection of drinking water is one of the most important and successful accomplishment for public health because it has done a major reduction of diseases that are

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    Chlorine Essay

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    Chlorine is a greenish yellow gas which combines directly with nearly all elements. Chlorine is a respiratory irritant. The gas irritates the mucous membranes and the liquid burns the skin. As little as 3.5 ppm can be detected as an odour, and 1000 ppm is likely to be fatal after a few deep breaths. It was used as a war gas in 1915. It is not found in a free state in nature, but is found commonly as NaCl (solid or seawater). Table: basic information about and classifications of chlorine. • Name:

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    Chlorine Essay

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    within particles of water they are protected from chlorine treatments. An alternate solution to chlorine is chloramine. Chloramine is the addition of ammonia to the chlorine compound. Once chloramine becomes in contact with water it is known as monochloramine. According to Gerstein (pg 719. 1931) and Holwerda (pg 719.1928) the germicidal properties were less when ammonia in chloramine was present. Monochloramine lasts a lot longer in water than chlorine therefore protecting the water from disease for

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    Chlorine Sampling Techniques The OSHA sampling and analytical method for chlorine is discussed in reference 9.1. The principle of sampling is described in reference 9.2. The analytical procedure is based on an iodometric technique which uses a residual chlorine electrode (RCE) for detection (9.3.). The validation of the chlorine method consisted of the following experimental studies: Analysis of a total of eighteen samples (six samples at each of the three test levels) which were prepared

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    swimming pools to poison gas, chlorine is used throughout lives of many, but many people do not realize the toxicity that chlorine can have at certain levels. This paper will explore the uses, structure and properties, routes of exposure, source, toxic effects, and metabolism of chlorine. As well as give precautions and tips to protect you from the toxic effects of chlorine. ​The uses of chlorine vary greatly and it is often found in many items around the house. Chlorine is used every summer in pools

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    Estimation of Chlorine in Household Bleach In this investigation, I am looking to determine the amount of chlorine present in household bleach. However, in order to do this I would have to calculate the mass represented by chlorine in the mass of the household bleach. After doing that, I would then have to represent this as a percentage. In order to calculate the mass represented by the chlorine in the mass of the household bleach, I would have to titrate this solution, along with an

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    Chlorine is the most common chemical used to treat and sterilize swimming pool water. When chlorine (in the chemical form of calcium hypochlorite) is added to a swimming pool it destroys pathogens and oxidizes materials such as chloramines. When chlorine is added to water a week acid called hypochlorous acid (HOCL) and chloride ions (CL-) are produced. The hypochlorous acid is what gives water the ability to oxidize and sterilize and disinfect the water. CL2 + 2H2O <----> HOCl + CL- + H2O -Equation

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