EXPERIMENT 6 – Empirical Formula of a Compound INTRODUCTION Chemical formulas indicate the composition of compounds. A formula that gives only the simplest ratio of the relative number of atoms in a compound is the empirical formula or simplest formula. The ratio usually consists of small whole numbers. We call a formula that gives the actual numbers of each type of atom in a compound the molecular formula. The numbers in a molecular formula will be whole number multiples of the numbers in an empirical
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Toxic Threads: The Big Fashion Stitch-Up Toxic ThreadS How big brands are making consumers unwitting accomplices in the toxic water cycle Section X Xxxx Contents executive Summary Section 1: introduction Section 2: Methodology and results Section 3: Fast fashion: more fashion‚ more toxics Section 4: conclusions and recommendations Appendix 1 Appendix 2 Appendix 3 Endnotes 31 39 42 46 48 52 3 9 13 acknowledgements: We would like to thank the following people who contributed to the
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ENVIRONMENTAL MANAGEMENT (ASSIGNMENT 2) BSC (HONS) CIVIL ENGINEERING AND MANAGEMENT NAME: FELIX GHANSAH MINTAH PERSONAL ID: 633104 A. ANALYSIS OF ENVIRONMENTAL IMPACT ON REMEDIATION AND REUSE OF CONTAMINATED LAND. A contaminated land is a land which contains substances that are actually or potentially hazardous to health or the environment. Land can also be defined as contaminated if only there is significant pollutant linkage. This means that‚ there must be: * an evidence of the presence
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LADY OF LOURDES COLLEGE OF NURSING IN PARTIAL FULFILLMENT OF THE REQUIREMENTS Level of Environmental Sanitation Status of Mercado Compound in Brgy.165 Zone 15 District I‚ Bagbaguin Caloocan City: An Assessment A FAMILY AND COMMUNITY DIAGNOSIS OF MERCADO COMPOUND PRESENTED BY: GROUP 1 Basol‚ Geraldine Cayetano‚ Kristel Ann Gumanit‚ Elyn Lorenzo‚ Donna Montecillo‚ Neriza Sardua‚ Alvin Jr. Tolentino‚ Shanice
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Since World War II‚ Gunsmiths have; repaired‚ engraved and customized the amazing world -wide known Colt Model 1911 .45 semi-automatic pistol. Gunsmiths have been able to produce very precise 1911 pistols for Bullseye competitions. This is an art of delivering a pistol with superior performance through a ton of attention to detail. As a future Gunsmith‚ I know that even the least significant detail matters. This level of precision requires using superior components‚ as accuracy is the critical component
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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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The process of naming compounds allows chemists to communicate formulae in words rather than in chemical symbols. There are‚ however‚ a few rules about naming compounds which need to be known in order to write a formula in word form or translate a compound in word form into chemical symbols. Ionic compounds If the compound is ionic‚ then the name of the cation (usually metal) comes first‚ followed by the ’compound’ name of the anion. To find the compound name of an anion‚ replace the end of the
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Identifying Organic Compounds Problem: Based on the color of the indicator‚ which type of organic compound will be found in each type of food? Hypothesis: If Benedict solution is added to honey‚ then it will turn. If Biuret solution is added to egg whites‚ then it will turn. If Benedict solution is added to corn oil‚ then it will turn. If Benedict solution is added to glucose‚ then it will turn. If Benedict solution is added to gelatin‚ then it will turn. If Benedict solution is added to butter
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1. Consider a 1-Year $10‚000 CD A. The future value of a $10‚000 CD that has a maturity of 1 year at maturity with 10% interest is $11‚000. Financial Calculator Inputs: $ -10‚000=PV‚ 1=N‚ I=10‚ FV=? ($11‚000) B. The future value of a 1-year‚ $10‚000 CD after one year at an interest rate of 5.0% is $10‚500. Financial Calculator Inputs: $-10‚000=PV‚ 1=N‚ 5=I‚ FV=? ($10‚500) The future value of a 1-year‚ $10‚000 CD after one year at an interest rate of 15.0% is $11‚500. Financial
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CSEC CHEMISTRY NOTES ON SOLUBILITY OF COMPOUNDS IN WATER and SATURATED SOLUTION Reference: Chemistry‚ a Concise Revision Course for CXC by Anne Tindale From Chemistry for CSEC by Tania Chung-Harris and Mike Taylor Factors that influence solubility Temperature * The solubility of solids in liquids generally increases as temperature increases. * The solubility of gases in liquids generally decreases as temperature increases. (gases are less soluble in warm water than in cold water)
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