Samantha Lester ENG 095 sec 203 Process essay You get off work at five in the evening‚ walk through your front door and you hear it − the sounds of home‚ children fighting‚ the TV blaring‚ and the dog barking. You think to yourself it is so good to be home; however‚ twenty minutes goes by and you’re already wishing you were back at the office. Through this proven process you will learn to relax‚ enjoy the sounds of your loved ones and keep yourself from becoming overwhelmed. Mommy-time is sure
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The Blur of Having a Premature Baby In the United States‚ there are one in ten babies is born premature. It is important to know the complications of premature babies and how to try prevent having a preemie. “A premature birth is when a baby is born before 37 completed weeks of pregnancy. A full-term pregnancy is 40 weeks” ("Premature Babies." MedlinePlus.). Knowing a person that has had a premature baby makes knowing the possible affects interesting. Things that are good to know are health
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Student: Glavin Wiechert Group Member: Victoria Coe Due Date: May 2‚ 2011 Teacher: Louth‚ Ellen Mary Class: Chemistry 11 Ad Introduction: An empirical formula of a chemical compound is the ratio of atoms in simplest wholenumber terms of each present element in the compound. For example‚ Glucose is C H O ; it’s empirical formula is CH O. 6 12 6 2 A hydrate is a compound that is chemically combined with water molecules. In contrast‚ an anhydrate does not contain water
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What is SIDS? Sudden Infant Death Syndrome‚ known as SIDS can be a serious problem among infants. SIDS is the unexplained‚ or unknown death usually happening to the baby during sleep. By definition‚ this type of death does not happen to a baby after its first birthday. Commonly‚ the babies seem healthy and well when this happens. SIDS is often referred to as crib death because the babies often die inside the crib. A lack of answers is part of what makes sudden infant death syndrome so frightening
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How Much Water Does Epsom salts Contain? Purpose The purpose of the experiment was to find the percent of water in Epsom salts by heating it. To find the percent of water in a hydrate‚ the hydrate must be heated. The experiment did not only show how dehydration occurs‚ but this experiment also gives an accurate and definite portrayal of the amount of water that is removed Background Information A hydrate is any compound that contains water. An anhydrous compound is a hydrate in which the water
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From the experiment‚ it was determined that Sodium chloride had a crystalline structure‚ even after being broken into smaller pieces with a hammer. Even though there was two different types of Sodium chloride‚ coarse and fine‚ they still had a symmetrical‚ three-dimensional shape. All ionic compounds have this structure. It was also found that Sodium chloride had a high melting point and sugar had a low melting point. This is because Sodium chloride is ionic and the bonds holding it together take
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Water’s hardness arises from the presence of metal ions – specifically metal ions with a charge of +2 or higher. The ‘scum’ left over in a cleaned shower stall or coffee pot is equivalent to water hardness. Water dissolves salts which contains ions of sodium‚ magnesium‚ calcium‚ iron‚ and many other metal; however‚ the most prevalent ion found is calcium. Since calcium ions typically make the most predominant contribution to water hardness‚ by convention hardness is reported as mg 〖CaCo〗_3/L of solution
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(3 points each) Chemical Name Chemical Formula Common Use 1 Sodium hydroxide NaOH Drain cleaner 2 Sodium bicarbonate NaHCO3 Baking soda 3 Aluminum oxide Al2O3 Sandblasting sand 4 Sodium hypochlorate NaClO Bleach 5 Aluminum sulfate Al(SO4)3 Used in antiperspirant 6 Ammonium bromide NH4Br Used in photography 7 Ammonium chloride NH4Cl Used in photography 8 Ammonium carbonate (NH4)2CO3 Smelling salts 9 CaCO3 Limestone/chalk 10 Sodium chloride NaCl Table salt 11 Calcium chloride CaCl2 De-icer for
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put it into the 100mL beaker‚ Add your 25mL of distilled water and stir to form the calcium chloride solution. Next‚ use stoichiometry to determine how much Na2CO3 and put it into a small paper cup. Then add the 25mL of distilled water to make the sodium carbonate solution. Mix the two solutions in the beaker and a precipitate of calcium carbonate will form instantly. Next set up your filtration assembly. After the filtration assembly is ready‚ swirl the contents of the beaker to dislodge any precipitate
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yield:! ! ! ! ! ! percentage yield crude acetaminophen:! ! 1.3403g 63.3% Decolorization of crude acetaminophen The color is now a very pale brown/pink and the crystals have a shimmery look to them‚ they are still very distinct crystals. weight sodium dithionite:! ! ! water:!! ! ! ! ! weight of purified acetaminophen:!! ! ! ! 2.0213g 15mL 0.90218g Yield Calculation and Melting-Point Determination weight crystalized acetaminophen:! ! 0.4042g percentage yield:! ! ! ! ! 42.62% melting point crude
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