into small flakes and washing to remove any impurities. These pellets are then sent off to manufacturing companies where they are melted down and remolded into the desired shape. PVC is the most challenging plastic to recycle due to its high chlorine content. It is uneconomical as recycling costs than that made from crude oil. Now‚ incineration has been used to stop PVC from going into landfill site. But because of the incineration of PVC (which releases toxic
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“Dulce et Decorum Est” Analysis Wilfred Owen channels his experiences from World War I in his poem‚ “Dulce et Decorum Est.” The interesting title appears once more at the poem’s end in a full phrase: “Dulce et decorum est/Pro patria mori‚” meaning‚ “it is sweet and honorable to die for one’s country.” The rest of the poem ironically undermines this phrase‚ exposing the horrors of war to show that is it far from sweet to die for one’s country. Utilizing heavy imagery‚ Owen easily conveys abomination
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from your table‚ and explain why it is a chemical change. Step number two. “Chlorine is added to kill bacteria and viruses. It also helps to remove dissolved hydrogen sulfide.” This is considered a chemical change because we are adding a chemical to the water being purified. In doing this step the chemical chlorine is killing bacteria and viruses. As well it is removing another chemical hydrogen sulfide. When the chlorine is doing its job we cannot physically see the change it is being done on a microscopic
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used as an antifreeze‚ solvent‚ fuel‚ and as adenaturant for ethanol | alum | aluminum potassium sulfate | alumina | aluminum oxide - As a filler‚ abrasive‚ effect pigment | antichlor | sodium thiosulfate - used for the neutralization of chlorine and/or Iodine solutions at your hatchery or aquaculture facility | antifreeze | ethylene glycol - used in applications ranging from consumer packaging‚ beverage containers‚ aircraft deicing fluids to adhesives. | antimony black | antimony trisulfide -
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milliliters of hydrochloric acid being placed in a test tube surrounded by cold water. The zinc then replaces the hydrogen in the hydrochloric acid‚ leaving the excess hydrogen to form hydrogen gas. The replacement zinc combined with the existing chlorine creates ZnCl2‚ or Zinc Chloride. As stated prior‚ the reaction that occurred was single replacement‚ and not synthesis. Through the reaction the zinc loses an electron‚ leading to the hydrogen gaining an electron and becoming H2. Although the reaction
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The Wars and Band of Brothers A war is a historical event that has the ability to change a person ’s life both positively and negatively. Ironically‚ during the months preceding both World War One and World War Two‚ for many men the opportunity of going overseas to prove themselves worthy as men was rarely refused. However‚ many of the soldiers who were involved in either the First or Second World Wars quickly realized that war was not only a brand new experience; it was a new lifestyle. In both
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of metallic oxide: 80.763 g Mass of metal is 74 % of the total mass (It was later discovered the new metal held 11 protons‚ 12 neutrons & 11 electrons) 4. Mr. Collins went home and wanted to know about the following: a. The number of moles of chlorine atoms in 3.08g of tetrachloromethane (CCl4) b. The number of moles of fluorine atoms in 204 g of boron trifluoride BF3; c. The number of moles of chloride in 5.55 g of calcium chloride‚ CaCl 2 d. The number of moles of sulphate ions in 144g of
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Reaction six is an example of a double replacement‚ hence a net ionic equation is formed. The net ionic equation for this specific reaction involves only copper and phosphate‚ whereas the original equations utilized also sodium and chlorine. Hence‚ the solid product in reaction six is copper(II)
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1 (a) In this apparatus hydrochloric acid is decomposed by passing a direct electric current through it. Chlorine and hydrogen are formed. (i) Give the name of this process in which substances‚ such as hydrochloric acid‚ are decomposed by a direct electric current. (1) electrolysis (ii) Describe what happens when a burning splint is applied to a mixture of hydrogen and air in a test tube. (2) (b) (i) Complete the sentence by putting a cross ( ) in the box next to your answer. An acid
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instantly felt the heat and started to drip sweat. The sun was so hot you could feel the heat on your skin trying to turn it red. When we got to the swimming pool you could hear the children laughing and splashing in the water. You could smell the chlorine in the water from the parking lot. Walking up to the red brick building with the tall fence surrounding the swimming pool‚ we hurried to get inside. Once inside we had to adjust our eyes because of the glare off of the water from the bright hot sun
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