Hypothesis: I think that in this experiment the results of the boiling point of each sample is going be slighly different from what I found on Internet. aim: my aim is to look at what temperature and how long the following alcohol (methanol‚ I-butanol‚ Ethanol and Hexane) reach their boiling point and comparing the results that I found on internet and mine. Materials: Alcohol: Ethanol‚ I-Butanol‚ Ethanol and Hexane Four Test tubes (boiling tube) Test tubes holder Data logger Hot plates Bunsen burner
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BOILING POINTS AND MELTING POINTS PART 2 Name: Grethel Zegarra Date of Lab: October 26‚ 2010 Date lab is due: November 2‚ 2010 HYPOTHESIS The boiling point in degrees Celsius will increase as the number of carbon atoms increase. The melting point of the unknown will indicate its mixed substances. The boiling point will increase as a result of the different branching of the OH‚ the melting point will be affected by the different positioning of the OH on the benzene ring. PURPOSE To introduce
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Boiling Point Lab Introduction: The purpose of this lab is to learn about the calibration of a thermometer. In addition‚ we also investigated the boiling point of an unknown liquid to determine its identity. Chemical Responsibility: 1. Make sure to use glycerine (lubricant) and a towel to safely insert the thermometer into the rubber stopper. 2. Carefully operate the Bunsen burner and make sure to use rubber gloves when handling the boiling water of beaker 3. Always wear goggles
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to find the boiling point of the liquid and find the melting point of the solid. Procedure Boiling point: To find the boiling point of Isopropyl Alcohol I put about 1 mL of it in the test tube. Then I attached the thermometer to the test tube with a rubber band(make sure the thermometer bulb is lined up with the end of the test tube). After that I made a water bath with a beaker and put in the test tube with the thermometer. I then used a burner and a burner stand to heat up the water bath. When
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Once the juice arrived in the boiling house‚ it was contained in clarifying vats and lime was added. It was then boiled in cast iron "coppers" of diminishing size. The furiously hot liquid would be skimmed and ladled into the next smaller copper until it reached just the right consistency and was diverted to a wooden trough leading to wooden flats where it was allowed to cool. The slaves who mastered the boiling stage of the refining process were some of the most highly valued workers on a plantation
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SHC of water • To see how accurately I can measure a known quantity Research Question • Will the experiment carried out give us a good approximation of the SHC of water? Hypothesis • The result we will get as the SHC of water will not be exactly the same as the literature value‚ but will be a very close figure to the literature value of the SHC of water as there will be some limitations to our experiment. Variables Independent: temperature of water Dependent: SHC of water Controlled:
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Title: - Infrared Spectroscopy‚ Boiling point and Melting point. Introduction: - Infrared spectroscopy has also made a break though in medicine. It used to evaluate the kidney stone diseases thus broadening the use of IR in different ways. The purpose of this lab experiment is to identify the unknown solutions using the Infrared Spectroscopy (IR)‚ boiling point‚ and melting point (1). The IR helps to determine the compounds such as a functional group. In order to analyze the compound‚ IR and melting
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margarine 1 kilo shrimp‚ shelled and deveined 1 ½ cups of Alaska Evaporated Filled Milk 2 tbsp garlic 1 cup chopped onion 5 cups water 2 pcs. Chicken cubes 4 cups potato‚ peeled and cubed 2 cups cheese‚ grated Salt and pepper to taste Chopped parsley for garnish Procedure: Sauté butter or margarine‚ garlic‚ onions and shrimps. Set aside. In the same pan‚ boil water. Add chicken cube‚ cheese and potatoes. Let it boil. Add sautéed shrimps and Alaska Evaporated Filled Milk. Boil for a few minutes
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COLLIGATIVE PROPERTIES: FREEZING POINT DEPRESSION AND BOILING POINT ELEVATION DAY 1 – 04 FEBRUARY 2015 Colligative Properties Depends on the NUMBER of solute‚ not on the nature of solute particles Freezing Point Depression Boiling Point Elevation Vapor Pressure Lowering Osmotic Pressure Electrolyte and Nonelectrolytes Electrolytes •Separates in water forming a solution that conducts electric current •IONIC COMPOUNDS Non- electrolytes • does not allow the flow of an electric current • COVALENT
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of oil is added to a hot wok and a chicken is stirred fried until cooked. I stir fry the chicken in three separate lots so the chicken cooks quickly and does not get too much water in it. Chicken is set aside and heat is turn off temporarily. After that‚ a kettle is filled with water and boil. You will use this boiling water to soak the rice noodles. One tablespoon of oil vegetable is added to the wok‚ and the paste is stirred fried for about 2 minutes. This releases all the flavours of the Laksa
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