LU 1 - Tutorial 1. Write the formulas for the following compounds: Compound Copper (II) chloride Iron(II) sulphate Sodium sulphate Ammonium nitrate Sodium nitrite Potassium sulphate Magnesium phosphate Formula Compound Lithium acetate Manganese (IV) nitrate Potassium permanganate Iron (III) oxide Potassium sulphite Potassium hydrogen carbonate Sodium iodate Formula 2. Express the following numbers in scientific notation: a) 0.000000027 b) 356 c) 47 764 d) 0.096 3. Express the following numbers
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Seung Soo (Jason) Lee 002213-065 Internal Assessment – Investigating the Relationship between Concentration of Sodium Chloride and the Rate of Reaction of Enzyme Amylase Research Question: How will changing the percentage of sodium chloride concentration affect the rate of reaction of enzyme amylase‚ measured using the absorbance of starch and iodine with a spectrophotometer. Introduction: Amylase is an enzyme that is involved in the human digestive process. Found in both the human pancreas
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AT&T vs. Verizon IPhones which network provider is better? It is the iPhone battle AT&T vs. Verizon for over three years‚ iPhone owners have grumbled about drop calls and slow service and prices on AT&T the exclusive cellular network for Apple’s iPhones. Now they have a chance to see if Verizon can do any better. On February 10‚ AT&T will no longer be the only network offering the iPhone. With Verizon
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AT&T The AT+T Corporation‚ formerly known as The American Telephone and Telegraph Company‚ was incorporated on March 3‚ 1885 in New York as a wholly owned subsidiary of The American Bell Telephone Company. Its original purpose was to manage and expand the burgeoning toll (long distance) business of American Bell and its licensees. It continued as the long distance company until December 30‚ 1899 when it assumed the business and property of American Bell and became the parent company of
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hydrogen end of the molecule is slightly positive and the fluorine end is slightly negative. This causes hydrogen bonding between other hydrogen fluoride molecules. KCl – potassium chloride is a metal halide salt. The bonding between potassium and chloride is an ionic bond. The potassium becomes a cation and the chloride an anion. The potassium end of the molecule becomes slightly positive and the other end slightly negative. Na – sodium contains metallic bonding. It has a high melting due to the
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Let talk about the T-mobile‚ the wireless telephone industry is growing at a rapid pace. According to Solomon – Wolff associates‚ the strongest user group is the 31-45 age group and the growth trend is expected to peak over the next ten years. T-mobile is one of the fastest- growing nationwide providers of wireless data‚ messaging and voice services. Its annual revenue in 2004 was $11.7 billion‚ a 40 percent increase from $8.4 billion in 2003. In the new trend‚ T-mobile will provide caller tunes
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1. What are the various nationwide T-Mobile rates/plans available in your area? In my area T-Mobile offers a few plan options. The various nationwide T-Mobile rates/plans available in my area are the 1 GB plan for $50.00 a month‚ the 3 GB plan for $60.00 a month‚ the 5 GB plan for $70.00 a month and the Unlimited plan for $80.00 a month. While T-Mobile states these plans are offered in my area‚ this is somewhat untrue. After checking their coverage map it shows that coverage is limited at my home
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GEORGE‚ S T –SHIRTS The case about George’s T-shirts can be studied or analyzed by grouping the material into eight different categories. Introduction ● George Lassiter‚ a project engineer for a major defense contractor and also an entrepreneur who manufactures and designs special events T-shirts ● He has owned this lucrative T-shirt business for six years ● Designed T-shirts for “special events” such as rock concerts‚ major sporting events‚ and special fund-raising events. ●
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Booker T. Washington Booker T. Washington was a great influence for the black community. The efforts he made to become such a wonderful leader were incredible. Booker T. Washington was a man that started up from scratch. He grew up as a Black slave‚ who did not have many choices in life. He was born on April 5‚ 1856 in Virginia and he had a white father and a black mother. When he was still a child he went to work in a coal mine after the Emancipation Proclamation. When Booker was seventeen he
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AT&T Stadium AT&T Stadium is a world-renowned stadium. Housing over 100 thousand people very little of its 3 million square feet goes to waste. It is home to one of the largest HD screens in the world‚ and a retractable roof. Considered by many to be the most advanced stadium in the NFL‚ AT&T Stadium is a sight to see and an engineering marvel. Even at about half a mile AT&T stadium is still enormous and easily viewable. The hundreds of windows covering the sides‚ add sleekness to the look‚ while
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