• Using Freezing-Point Depression to Find Molecular Weight Formal Lab Report
    Using Freezing-Point Depression to Find Molecular Weight Formal Lab Report Purpose: The purpose of this lab is to be able to use the freezing point of a substance to find the molecular weight of it. To do this, we will use the Logger Pro program to obtain the freezing point of lauric acid and
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  • Molecular Weight by Freezing Point Depression
    Introduction The melting point is the temperature at which the crystal structure of a solid breaks down with increasing entropy (+ΔS). Solute particles introduced into the solvent increases the entropy, and therefore decreases the temperature of the solution in order to reach the melting or free
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  • Determining Molecule Weight by Freezing Point Depression Method
    BASIC CHEMISTRY (UDBB 1114) BACHELOR OF SCIENCE (BIOTECHNOLOGY) SESSION : MAY 2013 DATE : 25 JUNE 2013 LECTERUR : EXPERIMENT 4 DETERMINING MOLECULE WEIGHT BY FREEZING POINT DEPRESSION METHOD STUDENT NAME : ID : LAB PARTNERS | | INTRODUCTION According to Anne, n.d, the freezing poi
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  • Molar Mass by Freezing Point Depression Lab
    Nick Boyea Billy Lee 3/9/11 Molar Mass by Freezing Point Depression Overview The purpose of this lab is to measure the freezing point depression of a solution of an unknown substance and BHT to determine the molar mass of the unknown substance. Summary of Lab Procedure If not already complete
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  • Freezing Point Depression of Aqueous Solution
    Freezing Point Depression of Aqueous Solutions Abstract: The purpose of this lab was to find the freezing point depression of 0.5M aqueous solution NaCl, distilled water, 0.5M aqueous solution of CaCl2, and unknown solution A. However, the teacher gave us values to do our experiment. Introdu
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  • Freezing Point Depression
    Calculations For this experiment, the osmolality given by the machine was equal to the molality. 1) Finding the identity of a unknown substance Molar Mass of Possible unknown substances (g/mol): * Glycine: 75.067 * Glucose: 180.155 * Mannitol: 182.171 * Sucrose: 342.26 *
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  • Lab: Molar Mass by Freezing Point Depression
    Lab Name: Molar Mass by Freezing Point Depression Researcher: Isabella Cuenco Lab Start Date: November 9, 2012 Lab Completion Date: November 9, 2012 Table of Contents SECTION NAME I. Introduction II. Procedure III. Data IV. Analysis V. Conclusion
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  • Molar Mass by Freezing Point Depression
    Molar Mass by Freezing Point Depression November 28, 2012 NAME Lab partner- Purpose: To determine the molar mass of an unknown substance by measuring the freezing point depression of a solution of an unknown substance and BHT. Equipment: Test tube, 18*150 millimeters
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  • Freezing point depression lab
    Using Freezing-Point Depression to Find Molecular Weight Abstract: In this lab, the purpose was to use the freezing point depression method to determine the molecular weight of aspirin. This was done by determining the freezing of t-butanol and that of a t-butanol and aspirin...
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  • Determining Molecular Weight Using Solution Viscosity
    Lab 2 Report for MATSE 473 Determining Molecular Weight using Solution Viscosity Name: Mengfang Li Group D Lab Partners: Michael Lorenzo, Peter Mcclure 01/24/2012 Introduction: This lab was designed to demonstrate the method to measure the intrinsic viscosity of the prepared polyst
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  • Molecular Weight of Volatile Liquid Using Dumas Method
    OBJECTIVE: * To determine the molecular weight of a volatile liquid by using Dumas method. METHOD: MATERIAL | CHEMICALS | 125 mL Erlenmeyer flask | Known liquid (2-propanol) | Rubber band | Unknown liquid | Boiling chips | | Watch glass | | 100 mL graduated cylinder | | Pin |
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  • Freezing Point Deperession
    Ben Quinones AP Chem Mr. Perry 25 January 2013 Molar Mass by Freezing Point Depression Conclusion: My Lab unsuccessfully found the molar mass of the unknown given to us in the lab. We were tasked with finding the molar mass of an unknown compound using the colligative property of Freezing P
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  • Molecular Weight of a Condesable Vapor
    AP Chemistry Period 1 Molecular Weight of a Condensable Vapor Lab Purpose: The purpose and objective of this lab was to find the molecular weight of a condensed vapor. Materials and Equipment: • Aluminum foil square (around 6cm on a side) • 125 mL flask • Barometer • 3 mL of un
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  • How Animal Research Has Advanced the Understanding of Depression
    Animal models have made numerous progresses in the last century. This type of research has made a difference in the way we look at psychological issues such as depression. This paper is a review of the literature on animal models of depression. The issue of what advances have been made will be ex
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  • Molecular Modeling
    Molecular Modeling Exercise The purpose of the is lab was to practice modeling molecules and exploring the capabilities of the ChemOffice programs. The minimum energy was found for each of the three molecules tested and the strain energy at different dihedral angles was plotted. The first molec
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  • Depression
    A Teacher's Guide to Understanding and Working with Students with Depression Introduction The position of depression as a disability is ambiguous. Though early definitions of emotional and behavioral disabilities included depression, more recent definitions seem to leave de
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  • A Comparison of Implicit and Explicit Weight Bias
    A Comparison of Implicit and Explicit Measures of Weight Bias Renee Szostak Abstract In the present study, the results of the fat-thin Implicit Association Test (IAT) were compared with the results of explicit surveys in ten Indiana University undergraduates. The purpose of this study was to
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  • Melting Point
    Abstract Finding the melting point of an organic substance is a practical and efficient way for scientists to identify an unknown substance or determine a known substance's level of purity. When organic substances are mixed together in varying degrees they take on a melting characteristic that
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  • Effects of Title Ix and Sports Participation on Girls’ Physical Activity and Weight
    EFFECTS OF TITLE IX AND SPORTS PARTICIPATION ON GIRLS’ PHYSICAL ACTIVITY AND WEIGHT Robert Kaestner This research was partially supported by grants from the Robert Wood Johnson Foundation and from the Chicago Center for Excellence in Health Promotion Economics of the University
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  • Analysing the Black Cat Using Labov's Narrative Structure
    OBJECTIVES For this assignment, the study aims to: 1. produce a frequency chart according to the elements of Labov’s Narrative Structure 2. discuss the way Edgar Allen Poe structured his short story to form the elements of tragedy, mystery and terror as presented in the short story
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