and the Heat of Vaporization Nicole Petersen TA: Ryan Dixon 4/16/2013 Purpose: Use experimental techniques to record temperature and volume data for known and unknown compounds. The liquid and gas are going to be at equilibrium. We will also determine the boiling point for the known and unknown. Then use a graph to calculate the slope and then use Clasius- Clapeyron equation to find the heat vaporization. Procedure: Refer to pages 155-167 of Chemistry 1210 General Chemistry Laboratory Manual
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Practical 3 Absorption Spectra and the Beer-Lambert Law INTRODUCTION Electromagnetic radiation can be described in terms of frequency (V) and wavelength (λ). Absorbance is the capacity of a substance to absorb radiation and transmittance (the fraction radiation at a specified wavelength that passes through a sample) is physical properties that all molecules have. The purpose of experiment one was to find the maximum absorbance (λmax) occurred for both bromophenol blue and methyl orange by
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because there was more mass to pull as more books were added. This shows newtons 1st law because the books wanted to stay at rest‚ but as more force was added they moved. The 2nd law is seen because the more mass there was‚ the more force was required to accelerate the books. The 3rd law is there because as you pull on the spring balance‚ it pushes pulls back on you‚ which lets it move. The eggs connect to the first law because the hard boiled egg is easier Egg 1 mass: 60.6 to start and stop‚ but the
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Erica Chan Sinh Nguyen Dat Nguyen Wed 2:00-5:00 02/19/2014 OHM’S LAW I. Purpose The purpose of this lab is to help understand how voltage‚ current and resistance are closely related to one another. The outcome from this lab is to be able to differentiate when to use ohmmeter and voltmeter for the individual circuit. II. Theory Ohm’s Law states that the electric current through a material is directly proportional to the voltage across a piece of material (such as wire) while the resistance is held
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LS1120 Practical 3 ABSORPTION SPECTRA AND THE BEER-LAMBERT LAW The purpose of this practical was to measure the amount of a chemical substance present in a sample. Primarily‚ the aim of Experiment 1 was to measure the absorption spectrum of a particular coloured substance (in this case Bromophenol Blue and Methyl Orange) at varying wavelengths of light. For Experiment 2‚ the process of the experiment focuses on the substance and records its absorption levels at different concentrations. The
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Hess’s Law and the Molar Enthalpy of Combustion for Magnesium Purpose: The purpose of the lab ultimately is to find the molar enthalpy of magnesium. This is done by finding the enthalpy changes of reactions (2) and (3). The enthalpy changes of reactions (2) and (3) along with the enthalpy change given for reaction (4) can be used to arrive at a value of the molar enthalpy of combustion of magnesium by using Hess’s Law. Hypothesis: By using Hess’s law to calculate the molar enthalpy of combustion
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AFRICA (CUEA) FACULTY OF LAW THIRD YEAR 1ST SEMESTER BACHELOR OF LAWS JANUARY- APRIL 2013 COURSE TITLE: LAND LAW 1 COURSE CODE: CLS 300 BY: WILSON MAROTSE MULEI LLM (London)‚ LLB (Moi)‚ Dip. Law (KSL) Attorney at Law‚ EAC COURSE OUTLINE INTRODUCTION Land law is split into two separate but related units. Land Law 1 and Land Law II. Land Law I deals with foundations of property law and Land Law II deals with Proprietary Rights and transactions. Land Law I is devoted to the teaching
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Criminal Law and Procedure Assignment Student Name: Louiszen‚ Yip Hiu Fai Student ID: 10456052 Supposed you were the lawyer acting for Mr. Scissors Lee: 1) At the Trial of Scissors Lee‚ the prosecution would like to produce to the court the caution statements of Scissors Lee as evidence of his confession. Can you write out a list of your objections you will raise with the court to the production of the caution statement at the trial? ANS: Upon the production of the caution statement
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Objective: The purpose of this lab is to demonstrate that there is a linear relationship between the number of molecules that can absorb light present in a solution and the amount of light absorbed by a solution. This lab should prove that Beer’s law and the equation A=a x b x c‚ is a linear relationship. Procedure: The only deviations in the lab procedure was that the stock solution was made before arrival to the lab with 0.570 g of KMnO4 in 0.500 L. The diluted solutions and the
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Unit 1 Gas Laws Lab Guide PhET Gas Properties lab - http://phet.colorado.edu/en/simulation/gas-properties Your lab write-up for this lab will be a minimum of a 15 slide presentation created with Power point or Libre Office. Contact your instructor if you have questions about your lab assignment. Some information has been provided for you‚ but still needs to be included on your slides. The areas that are bolded are areas of information that need to be completed by you. Submit your lab write-up
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