• Beer Lambert Law Lab
    Beer Lambert Law Lab Purpose: The purpose of this lab is to prove the Beer Lambert Law experimentally. The various solutions used for this experiment are tap water mixed with food colouring, Introduction: The Beer Lambert Law shows the relation between absorbance of light of an object, the m...
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  • Beer's Law Lab
    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...
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  • Lab Rules
    Back Laboratory Program SAFETY IN THE CHEMISTRY LABORATORY 786 Pre-Lab Extraction and Filtration 790 1-1 Mixture Separation 792 1-2 Water Purification 794 3-1 Conservation of Mass 798 4-1 Flame Tests 801 Pre-Lab Gravimetric Analysis 828 13-1...
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  • Protien Lab Report
    QUANTITATIVE ANALYSIS OF PROTEIN Purpose: To determine the concentration of an unknown protein solution using total protein reagent (TPR) and a Beer’s Law graph. Procedure & apparatus: As given in lab book. Data: Table of concentrations for known solutions. |Test Tube...
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  • Lab 324
    Lab 357 Extra Credit Procedure 1. Once laptop is plugged in and turned on, double click on Spectro Pro (1.0) icon. When ready, the spectrophotometer should read XXX nm Y.YYY A . XXX is wavelength that its set to measure and Y.YYY is absorbance measured at that wavelength. 2. Rinse a test tub...
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  • Beers Law
                                                           Purpose The purpose of this experiment is to apply Beer’s Law by analyzing samples provided by Q laboratory to determine their absorbance and prepare a Beer’s law plot. Molarity of these samples was also calcula...
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  • Intl Business Law
    Vancouver Seattle Tacoma Halifax Boston Philadelphia Oakland Los Angeles Long Beach Baton Wilmington Rouge Mobile Beaumont Houston Corpus Christi Veracruz Kingston South Louisiana New York/New Jersey Baltimore Port of Virginia Charleston Savannah Jacksonville Port Everglades Miami San Juan Cr...
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  • SPECTROPHOTOMETRY and COLORIMETRY
    SPECTROPHOTOMETRY Spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength It involves with the use of a spectrophotometer. A spectrophotometer is a photometer that can measure intensity as a function of the...
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  • Chem Lab report
    Mustaqim Ahmed Period 4 September 18, 2013 Analysis of Food Dyes in Beverages Purpose: To determine the concentration of dye in a sports drink using spectroscopy and graphical analysis. We will be using beers law to find the unknown concentration of dye in a sports drink. Materials:...
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  • Absorption Spectroscopy: Beer-Lambert Law
    Absorption Spectroscopy Author: Cesar M. Lemas Lab Partners: Jahnnan Jayesh Patel, Myong Ho Lee & Salem Alsaif Instructor: Jordan Andrew Mudery Chem 151, Section 7D Date Work Performed: October 18th 2012 Date Report submitted: October 25th 2012 Abstract Absorption spectrosc...
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  • Physiology Lab 1-11
    Lab 1: Circadian Rhythms A. Activity #1: Homeostasis 1. Homeostasis: the body's ability to maintain itself in a steady (but not constant) state. 2. Negative Feedback: mechanisms that respond to reverse the change when a variable is outside of its set range. • Exa...
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  • Bio Spectroscopy Lab
    Introduction: This investigation used spectroscopy to evaluate light absorption in different solutions. A spectrophotometer was used in the lab to determine these values. A spectrophotometer is an apparatus used to “measure the absorption of radiation in the visible and UV regions of the spectr...
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  • beer's law
    Running head: Beer’s Law And Calorimetry Beer’s Law And Calorimetry Adriane Bellard Ocean County College Beer’s Law is also referred to as the Beer- Lambert law or the Bouguer- Beer Law. The principle is based on an electromagnetic radiation that is passed through a...
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  • Chem Lab Report
    | | Kinetics Author: Katie Wood Instructor: Donald Kavanagh Chem 106b, Section 001 Lab Performed 8th, 2012 Lab Report Submitted February 22nd, 2012 Abstract The purpose of the lab was to determine the order of reaction for the dye Red #40. By measuring the reaction rate between blea...
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  • Lab Report
    Kinetics Lab Report Chemistry 152, Fall 2013 Kelli Forbes Susan Borowski Section: 5 September 2013 Abstract: For this experiment the main objectives were to determine the best wavelength to use for a Beer’s Law Analysis...
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  • Chem Lab 3
    Name: Lab Partners: Experiment Date: 02/09/2013 Due Date: 02/23/2013 Lab Exercise No. 2 Determination of Kc Values Using UV Absorption Objectives * To determine the equilibrium constant for a given reaction * To understand the concept of Le Chatelier’s Principle...
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  • Lab 4
    Introduction: The purpose of this lab is to learn how to use a spectroscopy to determine the absorbance of solutes. Moreover, to realize the relationship between the concentration of a solute and its absorbance, and the relationship of the wavelength and its absorbance. Also, the objective is to de...
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  • Beer's Law Problem Set
    Beer’s Law Problem Set Spring 2013 1. Calculate the absorbances corresponding to the following values of the percentage of transmitted light: (Provide your final answer with three decimal places) a. 95% b. 88% c. 71% d. 50% e. 17.5% f. 1% 2. A solution of a compound (1.0mM) was placed in a spectro...
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  • Chem 103 Project Lab
    The data gathered and calculated in the experiment accurately portrayed the way the reactions would have taken place. The chloride analysis was a little bit off from other groups due to the fact that our AgCl was in clumps, creating less surface area, thus our product took longer to burn and may not...
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  • Lab Report Pchem
    Experiment 3 UV-VIS Spectroscopy/Steady State Enzyme Kinetics Pavel Voronko Completed October 1,2012 Submitted on 0ctober 19,2012 Bazinet Christine TA. Abstract Spectroscopic analysis is a technique which examines a solutions tendency to absorb light. Two experim...
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