Writing Lewis Dot Formula November 8‚ 2013 I. Learning Objectives At the end of the sessions‚ the students of III- 15‚ and III – 10 must be able to: 1. Students will be able to interpret and draw Lewis dot diagrams for individual atoms and both covalent and ionic compounds. II. Subject Matter A. Topic: Chemical Bonding B. References 1. Department of Education‚ Culture and Sports. (1991). Science and Technology III. Quezon City: Book Media Press‚ pp. 273. 2. Estrella‚ Mendoza E. Chemistry
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Chemistry I Chapter 8 Review Problems Part I Using the factor label method‚ neatly and clearly show all work. Answers are to include the unit‚ be in correct number of significant figures. If the answers are less than 1.0 or greater than 10‚ they are to be written in and be in correct scientific notation. Box your final answer. Mass/Mole Problems 1. Determine the molar masses of the following compounds: a. dinitrogen pentoxide c. sodium carbonate b. ammonium
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energy electrons strikes a metallic electrode; the electrons slow down and penetrate into the metal. X-rays can pass through objects that are opaque in regular light and shadow images and objects can be made visible on a fluorescent screen coated with barium platinocyanide. When an x-ray passes through a substance‚ diffraction phenomena occur that reveal the wave character of radiation. An interference pattern composed of dots can be formed on a photographic plate. These diffraction patterns were 1st
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Fireworks on the Fourth of July is a tradition since 1777‚ where every year 247‚550‚000 pounds of fireworks are bought giving the fireworks industry a yearly revenue that reaches up to a billion dollars‚ a statistic that should not be risen further (statisticbrain.com). People light the fuse‚ and watch them fly up into the air‚ ready to see the magic happen; With all these fireworks thrown up into the night sky only to explode in a brief flash of light‚ there isn’t much danger‚ since so many people
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Chemical Reactions and Equations Chemical Reaction: The transformation of chemical substance into another chemical substance is known as Chemical Reaction. For example: rusting of iron‚ setting of milk into curd‚ digestion of food‚ respiration‚ etc. In chemical reaction new substance is formed which is completely different in properties from the original substance‚ so in a chemical reaction chemical change takes place. Following are the signs of chemical reaction: (a) Change of state of substance
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1. A female client is admitted with a diagnosis of acute renal failure. She is awake‚ alert‚ oriented‚ and complaining of severe back pain‚ nausea and vomiting and abdominal cramps. Her vital signs are blood pressure 100/70 mm Hg‚ pulse 110‚ respirations 30‚ and oral temperature 100.4°F (38°C). Her electrolytes are sodium 120 mEq/L‚ potassium 5.2 mEq/L; her urinary output for the first 8 hours is 50 ml. The client is displaying signs of which electrolyte imbalance? A. Hyponatremia B. Hyperkalemia
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Health Care is a very important part of our lives; for which it takes care of the payments for medical needs so they are not as expensive and people can get the care that they need. Our current national health care is Obamacare‚ Also know as the Affordable Care Act. Some of the problems with our healthcare system today is that there are still a lot of people that are not covered by insurance‚ or they are covered by a very low-quality insurance. Some insurance companies deny people insurance because
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Name ( ( Class ( ( Title ( Manufactured Substances in Industry ( |Content |Page | |(A) Sulphuric acid | | |Manufacture of sulphuric acid |1 – 3 | |Properties of sulphuric acid
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ANATOMY OF DIGESTIVE SYSTEM: STOMACH & SMALL INTESTINE SCHOOL OF HEALTH SCIENCES HEALTH CAMPUS UNIVERSITI SAINS MALAYSIA OBJECTIVES At the end of this lecture‚ the students should understand: 1) Introduction to Lower Gastrointestinal (GI) Tract 2) Gross Anatomy of Stomach 3) Relations Blood Supply‚ Lymphatic Drainage & Nerve Relations‚ Supply Supply of Stomach 4) Gross Anatomy of Small Intestine 5) Bl d Supply‚ Lymphatic Drainage & Nerve Supply of Blood S l L h i D i N S l f
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placed myself at in front of the light tube & aimed the spectroscope for the center. b.) Repeated process with the remaining gases‚ Ne and Hg. Part 3: Flame Test a.) I turned the Bunsen burner to the desirable flame. b.) I then took the Barium sample wooden splint. c.) By placing the soaked part in the flame I observed the color of the flame. d.) By observing the flame with the spectroscope I obtained the wavelength of the cation. e.) Repeated the process with the remaining metal cat
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