• Three spirit burners containing methanol‚ ethanol and propan-1-ol respectively • Electronic scales • Water • 100ml measuring cylinder • Retort stand and boss-head clamp • Copper beaker • Thermometer Method: 1. All three of the spirit burners were weighed separately and their masses recorded. 2. 100ml of water was measured out and placed in the copper beaker‚ which was then suspended with the boss-head clamp above the methanol spirit burner.
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because I do not want to burn my hand while holding the test-tube Test tube: I am using this because the thermometer with a cork fits it and also to hold the water. Water: to use as the substance to contain the heat given off by each fuel Spirit burner: I am using this to safely burn the fuels Thermometer with a cork: I am using a thermometer to take the temperate of the water. The reason I am using one with a cork attached is to keep in as much heat as possible. Timer: I am using the timer
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Comparing the enthalpy changes of combustion of different alcohols Aim In this experiment I will investigate the enthalpy changes of combustion. In particular I will be investigating the enthalpy change of combustion for different alcohols. I hope to investigate some of the homologous series alcohols‚ as well as a few structural isomers of these alcohols. Background & theory Enthalpy cannot be measured. What we can actually measure is the enthalpy change from the reactants to the products.
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or a metal container Thermometer Measuring cylinder Draught shielding Spirit burner containing hexane Spirit burner containing methanol Put 200 cm3 of water is placed in a calorimeter or a beaker. Position a thermometer bulb near the middle of the volume of water and record the result as initial temperature. Adjust the calorimeter with a clamp on a balance and leave enough space below the calorimeter for the burner. Add some sort of draught shield or any cardboard‚ books to avoid energy loss
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CHAPTER IV PRESENTATION‚ ANALYSIS AND INTERPRETATION OF DATA This chapter includes the presentation‚ analysis and interpretation of data provided by the respondents. The main focus of this study was to know the significant relationship between the EEI Corporation employees’ profile variables and their outcomes. The data gathered were presented with the use of tables. 1. Profile of the respondents The profile of the respondents in terms of age‚ sex‚ civil status‚ employment status and length
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Forfattere: Jacob Kirk Iversen (cand.merc.IB) Eksamensnummer: 270500 & David Roel (cand.merc.IB) Eksamensnummer: 272498 Vejleder: Dorthe Døjbak Håkonsson Associate Professor‚ PhD Institut for Ledelse Kandidatafhandling Arbejdsglæde og loyalitet i Airsquad - En afdeling af Girlsquad ApS Handelshøjskolen i Århus‚ Århus Universitet August 2009 Forord En stor tak skal lyde til vores tålmodige vejleder Dorthe Døjbak Håkonsson for hendes villighed til at komme med konstruktiv kritik i løbet
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Alkanols Heat of Combustion Aim: To determine the molar heat of combustion of methanol‚ ethanol and 1-propanol Materials: 3 spirit burners‚ one containing methanol‚ one containing ethanol and one containing 1-propanol. A thermometer A copper calorimeter 100 ml measuring cylinder Retort stand and clamps Stopwatch Matches Electronic balance Safety assessment: This experiment contains flammable materials remove loose clothing such as ties which could be set alight
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Copper container 1 Clamp 1 Spirit Lamp with Wick Ethanol 1 Retort Stand Methanol 1 Box of Matches Water 1 Electronic Balance Thermometer PROCEDURE: Firstly‚ Measure the weight of the empty Copper container on the electronic balance. Record your results in a table. Secondly‚ fill the copper container with 100ml of water. Thirdly‚ Attach the copper container to the clamp which is them attached to the retort stand. Fourthly‚ Measure the weight of the spirit burner containing known amount of
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Title Page: Module Code: FC 511 2T Module Title: Skills for study Tutor Name: Emma Duffy Assessment title: Formative Lab Report: Enthalpy of Combustion of Butanol Student ID Number: 201233920 Date of submission: 6/3/2017 Past tense recapping what you did in the experiment Present tense explain theory and compare theory THINGS TO IMPROVE : Reference Introduction Discussion Avoid Plagiarism Table of Contents Introduction P.3 Aim Materials
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the Entertainment Electronics Industry (EEI). Successful leaders over the short AND long term must doggedly address change. They must never tire - never get mired in the romance of their history. As EEI is the harbinger for most other industries‚ issues hit here first and must be sorted out amid tremendous pressure. Winning EEI industry leaders tend to be either visionary business strategists or the consummate fast-follower because this market is dynamic. EEI companies must [pic] Business gurus
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