aluminum lake (in 25 mg tablet)‚ FD & C Blue #2 aluminum lake (in 50 mg tablet)‚ hydroxypropyl cellulose‚ hypromellose‚ magnesium stearate‚ microcrystalline cellulose‚ polyethylene glycol‚ polysorbate 80‚ sodium starch glycolate‚ synthetic yellow iron oxide (in 100 mg tablet)‚ and titanium dioxide. Zoloft ZOLOFT is supplied for oral administration as scored tablets containing sertraline hydrochloride equivalent to 25‚ 50 and 100 mg of sertraline and the following inactive ingredients: dibasic calcium
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N11/4/CHEMI/SP2/ENG/TZ0/XX 88116105 CHEMISTRY STandaRd lEvEl PaPER 2 Monday 7 November 2011 (afternoon) 1 hour 15 minutes INSTRUCTIONS TO CANDIDATES • • • • • Candidate session number 0 0 Examination code 8 8 1 1 – 6 1 0 5 Write your session number in the boxes above. Do not open this examination paper until instructed to do so. Section A: answer all questions. Section B: answer one question. Write your answers in the boxes provided. 19 pages © International Baccalaureate Organization
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Chemistry Notes Oxides Oxides are used to determine whether an element is a metal or a non-metal. Most non-metals are classed as acidic oxides. While most metals are classed as basicoxides. Acidic Oxides * Reacts with water to form acids * Neutralises alkaline solution to form salt + water Basic Oxides * Neutralises acidic solutions to form salt + water Amphoeteric Oxides * These are non-metals which display both acidic and basic properties Alkaline Oxides * Reacts with
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Determining the Empirical Formula of a Compound: Burning Magnesium Lab Purpose: To experimentally determine the percent composition of a reaction product. Directions: Work in teams of three. The directions for this lab are on a separate sheet of paper at your lab bench. Make sure that everyone in your group understands the process and purpose before you get started. Assign tasks. Everyone in the group will be expected to contribute at the same level of participation‚ and for this experiment
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Chapter 1 – Chemical Reactions and Equations Science Why should a magnesium ribbon be cleaned before burning in air? Answer Magnesium is very reactive metal. When stored it reacts with oxygen to form a layer magnesium oxide on its surface. This layer of magnesium oxide is quite stable and prevents further reaction of magnesium with oxygen. The magnesium ribbon is cleaned by sand paper to remove this layer so that the underlying metal can be exposed into air. Question 2: Write the balanced
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experiment. Keeping that in mind‚ I checked the information of each reactants and products on online resources. Not only did that help me realize the Aluminum was oxidized‚ it helped me understood that the product was the gray Copper (II) Oxide instead of the red Copper (I) Oxide. This was one of the problems that I was able to solve by careful observation and checking additional
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reaction produced very bright light (which may cause blindness) and some sparks (exothermic reaction took place)‚ which signified that the reaction between magnesium solid and carbon dioxide gas had been proceeding. The end result is solid magnesium oxide in the form of “white ball” and carbon solid in the form of coal. These products indicated that the coupling of the first two reactions was spontaneous with the theoretical value of ∆G= -372.2 kJ/mol. -------------------------------------------------
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(NH4)3PO4 c. ammonium phosphate SnS2 d. tin(IV) sulfide HNO2 e. nitrous acid 2. Write the Stock names for the following compounds: magnesium perchlorate a. Mg(ClO4)2 iron(II) nitrate b. Fe(NO3)2 iron(III) nitrite c. Fe(NO2)3 cobalt(II) oxide d. CoO nitrogen(V) oxide e. dinitrogen pentoxide 3. 13 atoms a. How many atoms are represented by the formula Ca(HSO4)2? 4.0 mol b. How many moles of oxygen atoms are in a 0.50 mol sample of this compound? +6 c. Assign the oxidation number to sulfur in the
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PHARMACEUTICAL CHEMISTRY Chapter 5 – Gastrointestinal Agents • Inorganic agents used to treat gastrointestinal disorders includes: 1. Products for altering gastric pH 2. Protectives for intestinal inflammation 3. Adsorbents for intestinal toxins 4. Cathartics of laxatives for constipation ANTACIDS o neutralize excess hydrochloric acid o inactivate the proteolytic enzyme‚ pepsin o alkaline bases Results of Hyperacidity: o Gastritis – inflammation of the gastric mucosa o Peptic ulcer
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exhaust gases is hazardous to people’s health and is one of the major problems in our cities. Pollutants‚ especially nitrogen oxide (NOx)‚ increase the risk of airway infections and can also impair the function of an airway. The largest quantity of NOx is emitted from road traffic and thus in the direct surrounding of the people. Especially in summer‚ these nitrogen oxides are the reason for formation of harmful to health ozone in near-ground layers. This nano-crystalline titanium dioxide is a photo
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