were needed to distil 2.95g of water. a) Explain why the boiling tube was surrounded with expanded polystyrene (or other similar insulation)‚ but the condenser was left uncovered. b) Before any water was collected‚ the water was allowed to boil for several minutes until drops steadily fell from the condenser. Explain why this helps achieve greater accuracy when estimating ∆Hvap. The table below lists values for ∆Hvap and boiling point (Tb) for water and four organic compounds. Liquid Formula
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crowning point Synonyms: acme‚ apex‚ apogee‚ capstone‚ climax‚ crest‚ crown‚ culmination‚ head‚ height‚ max‚ meridian‚ most‚ peak‚ pinnacle‚ roof‚ vertex‚ zenith Antonyms: base‚ bottom‚ nadir you take the whole coconut and you smash it down on the shoe. Then you take lime and put. How do you make a shoe polish? spit. Charcoal and shoe polish? This evening I tried different ways (taken from other cooking forums) of removing the wax coating from lemons. Pouring boiling water over
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Management MGT680-1301D-02 Unit 1 DB Amber Ingraham The "boiled frog" phenomenon is a business metaphor that basically describes that if a frog is put in a pot of hot or boiling water‚ it will naturally try to jump out. However‚ if the frog is placed in a pot of cold water and the heat is slowly turned up to a boiling point‚ the frog will not only stay in the pot but it will gradually become unconscious to where when the water gets hot enough‚ the frog will actually allow itself to be boiled to
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is it trying to answer‚ or what problem is it trying to explain? To find out how table salt affects the boiling temperature of water. Hypothesis After reading the lab instructions - but before starting the lab - record your best “educated guess” about what will happen in the experiment. What hypothesis can you generate about the effect of adding salt to water? Adding table salt to boiling water will cause the water to boil at a higher temperature Experimental Design List the materials used
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120.0 0.120 Key 5.3 53.0 0.053 Spoon 17.3 173.0 0.173 Fork 20.2 202.0 0.202 Data Table 2: Temperature measurements. Water Temperature (°C) Temperature (°F) Temperature (K) Hot from tap 47.0 116.6 320.15 Boiling 100.0 212.0 373.15 Boiling for 5 minutes 100.0 212.0 373.15 Cold from tap 26.0 78.8 299.15 Ice water – 1 minute 10.0 50.0 283.15 Ice water – 5 minutes 2.0 35.6 275.15 Data Table 3: Mass measurements. Object Estimated Mass (g) Actual
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of salt on the boiling temperature of water? Many people know the boiling temperature of water is 100 degrees. What if the boiling temperature can be increased by adding salt well it can. This experiment was a success. My hypothesis tested true my hypothesis states that the salt will increase the boiling temperature of water because different elements have different effects on each other. So I think the salt will increase the boiling temperature of water. The temperature of boiling water is 212.9
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Melting Point Lab Introduction: The point of this lab was to determine the eutectic point for the naphthalene biphenyl mixture‚ as well as determining the melting point of an unknown substance by comparing it with two known samples. Melting point is a temperature in which a substance changes from solid state to liquid state. Melting points are used to determine whether the given substance is pure or not. Substances that melt sharply‚ less than 1-2°C indicates pure substance. Melting point can
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A turning point occurs when there is a decisive change ; all previous ideas are overturned and the results are especially beneficial for society. From the 1830s onwards there were many turning points. However‚ in order to be the turning point of the century the change in provision must have the greatest positive impact on the paupers’ lives and there be a shift in ideas of ‘deserving’ and ‘undeserving’ poor. One turning point in provision for the poor was the 1834 Poor Law Amendment Act which overthrew
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A Way to Figure Out Suitable Acupuncture Points The whole project is here https://googledrive.com/host/0B8Juprbxyod6UjdLN2VLRXhtejg/ It’s not toy‚ it took me 2 months to finish. 灵枢.一日分为四时：顺天之时，而病可与期。顺者为工，逆者为麤。 [If it is treated] according to the proper correspondence [between the time and the affected organs]‚ the disease can be cured. [Those who treat disease] according to this proper correspondence are excellent doctors while [those who treat disease] in contravention to this correspondence
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Oil Characterization 1 Oil Characterization 1 © 2003 AspenTech. All Rights Reserved. EA1031.31.05 05 Oil Characterization.pdf 2 Oil Characterization Workshop The petroleum characterization method in HYSYS converts laboratory analyses of condensates‚ crude oils‚ petroleum cuts‚ and coal-tar liquids into a series of discrete hypothetical components. These petroleum hypo components provide the basis for the property package to predict the remaining thermodynamic and transport properties necessary
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