Lab Report Using Gravitational Force as a Measurement Tool Answer the following questions about the results of this activity. Record your answers in the boxes. Send your completed lab report to your instructor. Don’t forget to save your lab report to your computer! Activity 1 Record your data from Activity 1 in the boxes below. Enter the data for the sample you used in each trial (5000 rpm‚ 10000 rpm‚ etc…) in the appropriate columns and the corresponding g-force‚ number of layers‚ and
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are of an element before it. The coefficient in a chemical formula indicates how many molecules of the formula unit‚ or chemical compound. The chemical formulas we use in this experiment are NaCl (sodium chloride/salt)‚ KCl (potassium chloride)‚ and CsCl (cesium chloride) and CaCl2 (calcium chloride). To form
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understand electrolysis‚ you need to know what an ionic substance is. Ionic substances form when a metal reacts with a non-metal. They contain charged particles called ions. For example‚ sodium chloride forms when sodium reacts with chlorine. It contains positively charged sodium ions and negatively charged chloride ions. Ionic substances can be broken down by electricity. Electrolysis is the process by which ionic substances are decomposed (broken down) into simpler substances when an electric current
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do addition polymers form or react? 1.the extraction of salt and hydrocarbon resources 2.the production of ethylene and chlorine from these resources 3.the combination of chlorine and ethylene to make the vinyl chloride monomer(VCM) 4.the polymerisation of VCM to make poly-vinyl-chloride(PVC) 5.the blending of PVC polymer with other materials to produce different formulations providing a wide range of physical properties. the structural of PVC is (CH2-CHCL). the degradation of PVC is divided into
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grams/ liter cesium chloride) in the appropriate columns with the corresponding g-force‚ number of layers‚ and position of layers results. Cesium Chloride grams/liter 0.5 1.5 2.0 2.5 Number of Layers 2 5 5 6 Position of LayersLittle on top rest on bottom2 near top 3 from the middle to the bottom2 near top 3 thinner layers from the middle to the bottom2 thin layers near top 1 layer below that last 3 in same position as before Explain what happens to the drag as the cesium chloride concentration increases
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------------------------------------------------- Hydrochloric acid From Wikipedia‚ the free encyclopedia (Redirected from Muriatic acid) Not to be confused with hydrogen chloride. Hydrochloric acid | | | | Other names[hide] * Muriatic acid[1] * Spirits of salt[2] | Identifiers | CAS number | 7647-01-0 | ChemSpider | 10633809 | UNII | QTT17582CB | EC number | 231-595-7 | ChEMBL | CHEMBL1231821 | ATC code | A09AB03‚B05XA13 | Properties | Appearance | Colourless
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are too small to see‚ but you can taste them. While table sugar is made up of sucrose molecules (remember covalent compounds from chemistry?)‚ table salt (sodium chloride) is a very different kind of chemical compound‚ an ionic compound. It is made up of two smaller particles‚ a sodium ion and a chlorine ion. Sodium chloride can be made in the laboratory (don’t try this at home!) by
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In this experiment I will investigate the temperature of 50cm³ of water before and after I have added calcium chloride‚ I will gradually increase the amount of calcium chloride by 1 gram to see if there is a significant change. When Calcium Chloride is mixed with water it performs an exothermic reaction which makes new bonds between the salt (Calcium Chloride) and the water. This will therefore make the solution of the reaction increase in temperature. Exothermic reactions transfer energy
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Abstract: Fagopyrum esculentum‚ like other seeds‚ requires a favorable amount of water for germination to occur promptly. In this experiment‚ students compared the amount of germinated seeds in a distilled water solution and a 0.20M sodium chloride solution over seven days. The number of germinated seeds per day was collected in seventeen different trials with the same experimental groups. The experiment conducted showed that there were no significant differences in the germination of Buckwheat seeds
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excess. At the second part‚ student needs to measure the pH of different solution by using universal indicator paper and determine whether each solution is acidic‚ basic or neutral. Lastly‚ the precipitation reaction is observed by using phosphates‚ chlorides and silver halides groups. AIMS The main objective of this experiment was to identify certain inorganic reaction types and the differences in solubility of silver halides. Thus‚ a series of inorganic reactions was carried out as an introduction
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