Using Freezing Point Depression To Find Molecular Weight Formal Lab Report Essays and Term Papers

  • 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 a...

    493 Words | 2 Pages

  • Molecular Weight by Freezing Point Depression

    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 freezing point of the solution...

    622 Words | 2 Pages

  • 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 solution; then finding...

    637 Words | 3 Pages

  • Determining Molecule Weight by Freezing Point Depression Method

    4 DETERMINING MOLECULE WEIGHT BY FREEZING POINT DEPRESSION METHOD STUDENT NAME : ID : LAB PARTNERS | | INTRODUCTION According to Anne, n.d, the freezing point of a liquid is decreased by adding to another compound to it. This is known as freezing point depression. The pure solvent will have...

    975 Words | 4 Pages

  • 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 ...

    908 Words | 4 Pages

  • Freezing Point Depression Determination SCIENCE LAB EXPERIMENT

    chemicals and their boiling points. It lists some already but given the atomic numbers of any material this project includes a conversion and calculation chart to find the freezing point of most any material. GOOD LUCK! Abstract: In this lab we determined the freezing point, and Kf, of pure 2,4,dichloralbenzne...

    2033 Words | 14 Pages

  • Molar Mass by Freezing Point Depression Lab

    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 completed, crush...

    602 Words | 2 Pages

  • Freezing Point Depression

    substance D is Glycine. 2) Finding the concentration of a known solution Table 1.2: Table used for the preparation of the calibration curve used to find the concentration of alcohol in a wine. 0.2mL of each sample were taken and placed in the Osometer. Ethanol sample (g EtOH/100mL) | Osmolality (mOsm/kg...

    1588 Words | 6 Pages

  • Freezing Point Lab

    Purpose: The purpose of this lab was to determine the freezing point of pure water, the experimental van’t Hoff factor for a substance and the molar mass of an unknown solution. Reagents: 25mL deionized Water ¼ to ½ inches of rock salt 25mL Sodium Nitrate (NaNO3 ) 25mL unknown solution – handle...

    953 Words | 3 Pages

  • 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 ...

    657 Words | 3 Pages

  • 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. Introduction: ...

    365 Words | 2 Pages

  • Molecular Biology Lab Report

    Molecular Biology Lab Report Mapping DNA using Restriction Enzymes Ava II and Pvu II to cut Bacterial DNA Abstract The objective of this project is to map bacterial DNA, which is derived from E. coli, using restriction endonucleases with gel electrophoresis. The DNA fragments, after cutting has occurred...

    1649 Words | 5 Pages

  • Formal Lab Report Temp.

    to understand your experiment and results. Include any equations that may be encountered and go over their derision. Methodology: Reference the lab manual here. If you made any changes to the experiment make note of them here. Also list any precautions one should take with the chemicals being used...

    296 Words | 2 Pages

  • Formal Lab Report

    and precise results by doing combustion analysis to find the amount of carbon dioxide and water released and the amount of fuel consumed. To identify the amount of carbon dioxide, water and burner consumed there were three equations used to find it. Equation 1 shows how much carbon dioxide was released...

    2070 Words | 8 Pages

  • Sample-Formal-Lab Report

    Electric Devices and Measurements Lab 3 Current and Voltage This report was prepared by: L. Wall Fall 2009 Prof. R. Alba-Flores Team Members: J. White, L. Wall Conducted on: September 17, 2009 Submitted on : September 24, 2009 Abstract: In this lab students experimented with light emitting...

    1523 Words | 6 Pages

  • Formal Lab Report on Enzymes

    Lab #5-Enzymes NAME DATE LAB PERIOD Introduction Enzymes are proteins, though highly complex and diverse, they serve one basic function; to work as an organic catalyst. A catalyst, as defined by Merriam-Webster dictionary, is a substance that enables a chemical reaction to proceed at a usually...

    1105 Words | 4 Pages

  • Formal lab report

    specificity of the enzyme α-amylase and reaction conditions that affect the enzyme. Also examining the rate of reaction of the digestion of starch using the enzyme α-amylase. Methods: The first portion of the experiment required, the appropriate number of drops of distilled water and substrate solution...

    2232 Words | 10 Pages

  • Catalase Formal Lab Report

    Objectives: The purpose of this lab was to select the suitable test for an organic molecule and define the safe process for that test. An organic molecule is normally found in or produced by living systems. (Unknown Author, 2014, www.biology-online.org/organic_molecule)In this lab one was supposed to infer...

    1366 Words | 4 Pages

  • Lab8 formal lab report

    and Jacob Singleton June 3, 2014 Introduction Stearic acid is a saturated fatty acid that is made up of an 18-carbon chain and has the molecular formula, C18H36O2. It is one of the most common saturated fatty acids in nature and can be found in both animal and vegetable fats. Stearic acid is...

    2026 Words | 8 Pages

  • Formal Lab Report Format

    Formal Lab Report Format A properly written formal lab report in CHEM 123L consists of the following sections: Cover Page  Give your experiment a good, descriptive title  Include the date, your name, ID#, TA’s name and partner’s name and section # Introduction and / or Purpose  Introduce the background...

    613 Words | 2 Pages