Chemistry: A Molecular Approach (Tro) Chapter 9 Chemical Bonding I: Lewis Theory 1) Which of the following represent the Lewis structure for N? A) [pic] B) [pic] C) [pic] D) [pic] E) [pic] Answer: A 2) Which of the following represent the Lewis structure for Cl? A) [pic] B) [pic] C) [pic] D) [pic] E) [pic] Answer: B 3) Which of the following represent
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CHM 2046 L Scheme of Analysis for Unknown 9A/9B “Fair Game” Unknowns * Cations: Na+‚ K+‚ NH4+‚ Ca2+‚ Mg(H2O)62+‚ Al(H2O)63+‚ Zn(H2O)62+‚ Cu(H2O)2+‚ Ag(H2O)+ * Anions: Cl-‚ NO3-‚ SO4-2‚ HSO4-‚ OH-‚ CO3-2‚ HCO3-‚ S-2 * Insoluble Salts: Ca(OH)2‚ CaCO3‚ CaSO4‚ Mg(OH)2‚ MgCO3‚ Ag2O‚ AgCl‚ Ag2S‚ CuO‚ CuCO3‚ CuS‚ Zn(OH)2‚ ZnCO3‚ ZnS * Alums: [Al(OH2)6]2(SO4)3∙6H2O‚ Na[Al(OH2)6](SO4)2∙6H2O‚ K[Al(OH2)6](SO4)2∙6H2O‚ NH4[Al(OH2)6]2(SO4)2∙6H2O * Hydrated Ions: Na2CO3∙10H2O‚ Na2SO4∙10H2O
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Mrs. S. is an 83 year old woman with multiple medical problems‚ including chronic obstructive pulmonary disease (for which she sees a pulmonologist)‚ atrial fibrillation and systolic heart failure (for which she sees a cardiologist)‚ hypertension‚ diabetes‚ depression‚ and mild dementia. She comes to your provider’s office today with a new list of medications. Her pulmonologist changed her inhaler from one brand/strength to another brand/strength‚ but she is not sure why. Her cardiologist took her
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Thebian play of Antigone has excited many debates over the years. The most prevalent being who exactly could be characterized as the tragic hero in the story. The argument that Antigone is the hero is deffinatly a strong one. There are many critics who believe that Creon‚ however‚ is the true protagonist of the play. In order to determine whether or not Creon is the tragic hero one must first examine what a tragic hero is. Aristotle states that a hero is neither purely innocent nor purely malevolent
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GEOG 1106 Lab 11 Biomes Directions: Listed below are the lab questions to answer. 1. Use the Whittaker biome figure to determine the biome of the places listed below. Place Average Temperature oC Annual Precipitation (cm) Whittaker’s Biome La Selva‚ Costa Rica 22.1 403 Tropical Rain Forest Marietta‚ Ohio 12 105 Temperate Deciduous Forest Pasadena‚ CA 18.2 51.8 Woodland/Shrub land Temperate Ferron‚ UT 8.8 20.9 Grassland and Desert Tucson‚ AZ 21.1 21.9 Subtropical Desert Santa Rosa National Park
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spots were present for a compound‚ give Rf value for each component and state if the component was major or minor. | 100% hexane | 25% EtOAc in hexane | 10% EtOAc in hexane | Fluorene | 0.34 cm | 0.94 cm | 0.67 cm | 9 - fluorenol | 0.00 cm | 0.49 cm | 0.05 cm | 9 - fluorenone | 0.00 cm | 0.69 cm | 0.21 cm | 2. Explain how Rf values were generally affected by polarity of the solvent/eluent systems. As part of your answer‚ rank the solvent/eluent systems in order of decreasing polarity
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Conflict of professional interest frequently arise in the working environment of an engineer. Discussion the statement and propose the appropriate solutions for overcoming the problems. Conflict is so common in today’s world that is full with sophistication and complexity. All of us are facing with some kind of conflicts in our life. We are frequently encountering conflict with our family members‚ friends‚ colleagues or even our bosses. Everybody‚ individuals‚ societies or countries are looking into
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DEERE COST MANAGEMENT 1. COMPANY INFORMATION 2. STATEMENT OF THE PROBLEM Jim Elsey‚ cost management specialist at Deere & Company in Moline‚ Illinois has been reached by Glen Lowery‚ sales manager in the Agriculture Products Division. Glen is concerned that the sales margin for the Conveyor System has decreased the last 3 years. Glen wants Jim look at the costs involved the gatherer chain‚ which is purchased from a single supplier (Saunders Manufacturing)
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Associate Level Material Appendix A Final Project Overview and Timeline Final Project Overview Your final project for GEN/105 is a Student Survival Guide. To complete your project‚ you will draw from skills and information you learned in the course. Your Student Survival Guide should be a functional tool for you to use throughout your program—include specific details to make your action plans as realistic as possible. You can create a formal paper‚ a brochure using one of the templates
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America felt the need to move towards the idea of foreign policy from 1895 to 1920; their success was a combination of idealism and self-interest. Both were influential in the decision to venture outside of U.S borders. America expanded due to idealistic view such as: The White Man’s Burden‚ Religious motivation‚ a social contract with the Western Hemisphere and the Spanish American War. However‚ self interest offered more of a substantial force with America’s desire for a stronger Navy‚ foreign
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