Chlorine Essays

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Chlorine Essays

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    The Sometimes Deadly Chlorine Chlorine is a yellowish-green poisonous gas with a very unpleasant and strong odor. (Appelman 516) It ranges from being used to kill in World War 1, to being used combined with sodium to make table salt. It can be a very dangerous element, but yet used for so many good things. Chlorine has a ton of history, multiple uses, and an interesting atomic structure. Chlorine combines with almost every single element, so it cannot be found in nature alone. It was first made

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    formed in a sample of reservoir water when it is disinfected with chlorine or chloramine and to what extent do both chloramine and free chlorine decompose when exposed to ultraviolet light?” Abstract This investigation aims to find out how pH affects the concentration of trihalomethanes formed in a sample of reservoir water when it is disinfected with chlorine or chloramine and the extent to which both free chlorine and chloramine decompose when exposed to ultraviolet light. Headspace

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    gases (Oxygen gas and Chlorine gas) at the anode during the electrolysis of sodium chloride solution. In my previous chemistry classes, I have learnt that concentration affects the majority of the gas produced at the anode. This made me wonder, how does the ratio of oxygen gas to chlorine gas produced at the anode vary at the electrodes. This made me formulate the research question: How does the concentration of Sodium Chloride solution affect the ratio of oxygen gas to chlorine gas produced at the

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    Why Is War Important Dbq

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    plunges at me, guttering, choking, drowning”(Document C). The soldier that tells the story states of his horrors of war and how a man died in a gas attack and he was not able to save him, “under the green sea, I saw him drowning” the green sea was the chlorine gas that was dropped. It is called green gas due to it not actually being green but due to the gas shell marked green in the German and British Artillery Brigade. The soldier himself saw a person die right before his eyes from the gas which foreshadows

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    formation of disinfection byproducts (DBPs). Natural organic matter (NOM) in water has been considered as the predominant DBP precursors. Disinfectants are powerful oxidants that oxidize the organic matter present in water forming DBPs. Chlorine, ozone, chlorine dioxide, and chloramines are the most common disinfectants used nowadays and each produces its own suite of chemical DBPs in finished drinking water (Richardson, 2003). DBPs so formed pose a threat to human health

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    Redox Reaction Lab

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    metal of the molecular species, as well as a new molecular species with the original elemental species and the ion or non-metal from the original molecular species. For example, if elemental zinc (Zn) were to react with hydrochloric acid (HCl), the chlorine from the hydrochloric acid would bond with the zinc to create zinc chloride (ZnCl2), leaving the hydrogen (H2) as a diatomic gas. The second reaction is a double displacement, in which two species, both consisting of two parts, essentially switch

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    Chlorides of group || cations contain (Cadmium chloride, Mercuric chloride, Copper chloride and Bismuth chloride). 1- Mercuric chloride HgCl2:- It's poisonous odorless white crystalline solid, very toxic compound, and it's slightly volatile at ordinary temperatures. Parent acid and base: Hydrochloric acid HCl + Hg(OH) 2 Uses:- *Antiseptic and disinfectant in insecticides, preservatives, and batteries. *Antibacterial. * Obsolete substance. Preparation: Mercuric chloride can be obtained

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    Ethylene dichloride is a chlorinated organic compound consisting of two singly bonded carbon atoms bonded to one chlorine atom on each carbon and is assigned the CAS registry number 107-06-2scifinder. Ethylene dichloride should not be confused with 1,2-dichloroethylene which contains a double bond between the two carbons. Although a stable compound at room temperature, it does slowly decompose in the presence of oxygen and UV light turning a darker colour, and at temperatures above 340 oC it

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    Zinc Chloride Lab Report

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    is its formula? A: ZnCl2 3. Can you determine the atomic weights of zinc or copper by the methods used in this experiment? How? What additional information is necessary in order to do this? A: Yes, we need molar mass of sulfur, hydrogen, and chlorine. Then set the molar mass of copper and zinc to x and y. And use the mole ratio, which is 1:1 for two reactions to solve the unknown. 4. How many grams of zinc chloride could be formed from the reaction of 3.57g of zinc with excess HCl? A: 3.75g

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    World War I the battle between two powers known as the Allied Powers and the Central Powers. The Allied powers were made up of France, Japan, Russia, United States Serbia, Italy, Romania, Portugal, Britain and Greece. While the Central forces were Germany, Austro – Hungarian Empire, Ottoman Turkey, and Bulgaria. These countries, in their own way, played major parts in the war. Not only was it the First World War but it was a first for many things like Chemical Warfare, and the first time that

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    2. In the contest of these two reactions, which is the better nucleophile, chloride ion or bromide ion? Try to explain this. Bromine is a better nucleophile. The chloride ion is more polar since it is above bromine on the periodic table and is more prone to hydrogen bonding due to its smaller size. Chloride ions are worse than bromine ions for nucleophilic attack, because the chloride ions are fully solvated and are not as available to attack. This is why Bromine ion is better nucleophile because

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    A representation of a living hell would be the trenches in trench warfare, where over 200,000 courageous soldiers died fighting for their country. Not only did the soldiers sacrifice their lives, in addition they also suffered non stop until their conclusive breath. Trench warfare was the kind of warfare that no one wanted to fight in because of how dreadful it was and of how it seized innumerable lives effortlessly. Trench warfare was deplorable and seized countless lives because of the chemical

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    Microbiology Unit 4

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    contaminants from the water b. Coagulation to attract small contaminants c. Sedimentation where water sits and finishes coagulation d. Filtration to remove any small remaining contaminants and particles e. Disinfection by disinfecting chemicals such as chlorine to kill microorganism or remaining bacteria 2. Explain the differences between primary, secondary, and tertiary sewage treatment. a.

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    together, the anion from the reactant molecule will transfer over to the pure element, causing the original cation to become a pure element. When magnesium metal is placed in hydrochloric acid: Mg + 2HCl --> MgCl2 + H2. Here, it can be seen that the chlorine anion that was a part of the hydrochloric acid is transferred to the pure magnesium, leaving behind hydrogen. Double-replacement reactions are yet another type of chemical reactions. A double-replacement reaction also involves the transfer of anions

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    1.Chemical properties Elemental mercury (Hg) has an atomic weight of 200.59 u, oxidation states 0, +1 and +2. Is a liquid and volatile metal soluble in water to some extents? In the oxidation states +1 and +2 is able to form organic compounds of type RHgX and R2Hg where R can be alkyl- or Aryl groups. The RHgX compounds properties depend on the nature of the X rest; If the organic compound contents hologenides the result is a highly lipophilic compound whereas If the rest is oxygen anion, chemically

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    Sodium carbonate (molecular formula: Na2CO3), is the water soluble sodium salt of carbonate. The pure product appears as a while, odorless powder with a strong alkaline taste. It has high hygroscopicity. It can be easily dissolved in water to form an aqueous solution with moderate alkalinity Sodium bicarbonate (IUPAC name: sodium hydrogen carbonate) is chemical compound with the formula NaHCO3. It is a salt composed of sodium ions and bicarbonate ions. Sodium bicarbonate is a white solid that is

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    Benzoic Acid Synthesis

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    Introduction Toluene, according to the International Union of Pure and Applied Chemistry system (IUPAC) – methylbenzene, is most commonly used to synthesize benzoic acid. The importance of benzoic acid in modern world is due to its uses: the acid and its salts are used as preservatives in food: benzoic acid is globally known as E210 and sodium benzoate as E211. The benzoic acid and its precursors are also used in pharmacy and hygiene products : the shampoo and shower gel that I am using all contain

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    Teflon was discovered by Dupont chemist. When Dr Roy J. Plunkett use polytetrafluoroethylene to make an experiment with chemical refrigerants, he tries to pump the gas tetrafluoroethylene into hydrochloric acid and he does not see anything happen in the outside. When he hold the cylinder that contain tetrafluoroethylene, he sees the cylinder still heavy. After that, he thinks it is a good idea to cut the cylinder to see what happen in the inside . When he cut it out, he sees the tetrafluoroethylene

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    Verna Wang Hannah Palmer CHEM 101-069 Lab 11-19-16 Stoichiometry and Limiting Reagents Lab Report Purpose: We are using the reaction of sodium hydroxide and calcium chloride to illustrate stoichiometry by demonstrating proportions needed to cause a reaction to take place. Background: Just like a recipe would call for a specific amount of one ingredient to a specific amount of another, stoichiometry is the same exact method for calculating moles in a chemical reaction. Sometimes, we may not have

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    Benefits Of Fishing Essay

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    What Are The Benefits of Fishing For Your Health? Many people around the world love fishing, but only as a hobby. It is a simple activity that is not only beneficial, but it is also entertaining. Most people love fishing despite being named a lazy people’s hobby. Notably, fishing is not measured by the number of fish caught, but rather the challenge and satisfaction that comes with it. If you have had a busy week at the office or in your home, fishing can help clear your mind. Also, if you are tired

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