Tuesday, December 10, 2019

Chemistry and Greatness Enfant Cheri free essay sample

â€Å"I wanted Polly for a shrewdly calculated, entirely cerebral reason. I was a freshman in law school. In a few years, I would be out in practice. I was well aware of the right kind of wife in furthering a lawyers career. The successful lawyers I had observed were, almost without exception, married to beautiful, gracious, intelligent women. With one omission, Polly fitted these specifications perfectly†. The narrator is showing anti-women to Polly with this statement. For the narrator he wanted to have a beautiful wife/girlfriend that’s why he tried to make her smart. He is not showing his love for him because he is showing her that beauty and brains is all that matters. Some guys don’t care about the beauty but brain because some guys tend to like some girls who are not beautiful for one purpose only. It is to copy the answers or to have money. We will write a custom essay sample on Chemistry and Greatness Enfant Cheri or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page The story does show anti-men also because revolves around a man who believes none can ever measure up to his greatness Enfant Cheri Study Centre, Inc. P1 Upper Doongan, Butuan City Requirement in CHEMISTRY Name: _______________________________________________________Date: __________________ Answer the following questions. 1. The diagram below represents three elements in Group 13 and three elements in Period 3 and their relative positions on the Periodic Table. a. Identify the element from the diagram that will react with chlorine to form a compound with the general formula XCl4. _______________________________________________________________ b. Consider the Period 3 elements in the diagram in order of increasing atomic number. State the trend in electronegativity for these elements. ________________________________________________________________ c. Identify one element from the diagram that will combine with phosphorus in the same ratio of atoms as the ratio in aluminum phosphide. _________________________________________________________________________________ 2. Baking soda, NaHCO3, can be commercially produced during a series of chemical reactions called the Solvay process. In this process, NH3(aq), NaCl(aq), and other chemicals are used to produce NaHCO3 (s) and NH4Cl(aq). To reduce production costs, NH3(aq) is recovered from NH4Cl(aq) through a different series of reactions. This series of reactions can be summarized by the overall reaction represented by the unbalanced equation below. NH4Cl(aq) + CaO(s) NH3(aq) + H2O(? ) + CaCl2(aq) a. Write a chemical name for baking soda. _________________________________________________________________________________ b. Determine the percent composition by mass of carbon in baking soda (formula mass = 84 grams per mole). ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ c. Balance the equation using the smallest whole-number coefficients. __________________________________________________________________________________________________________________________________________________________________ 3. Silver-plated utensils were popular before stainless steel became widely used to make eating utensils. Silver tarnishes when it comes in contact with hydrogen sulfide, H2S, which is found in the air and in some foods. However, stainless steel does not tarnish when it comes in contact with hydrogen sulfide. a. Draw a Lewis electron-dot diagram for the compound that tarnishes silver.

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