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Lab Report Essays

Melting Points Lab Report Sample

The aims of this lab are. as follows ; to understand what occurs at the molecular degree when a substance thaw ; to understand the primary intent of runing point informations ; to show the technique for obtaining the runing point of an organic substance ; and to explicate the consequence of drosss on the …

Skull Comparison Lab Report Research Paper

Skull Comparison Lab Report Essay, Research Paper Skull Comparison Lab Report We were late assigned the undertaking of analyzing, note pickings, comparison, and contrasting three different types of skulls. All three had the same basic make-up, but each had its ain particular characteristics similar to us. The theory that all of us are different in …

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Viscosity Lab Report

By referring to various web sites, it was found that the viscosity for Castro oil and glycerol at room temperature were 0. 65 and 1. 0 NSA/AMA respectively. The discrepancy between the theoretical and the experimental results could be attributed to one of the following reasons: The time recording methods for dropping the spheres into …

Patellar Lab Report

The third piece is a motor, or efferent neuron. The motor neuron will take the information received from he interferon and send it on to its effectors (muscles or glands), which will activate a response. The patellar reflex is classified as a somatic reflex because it involves the stimulation of skeletal muscle, specifically stimulation of …

Ecology Lab Report Research Paper IntroductionAn

Ecology Lab Report Essay, Research Paper Introduction An being has several ways to avoid being prated upon. One manner to avoid this is to pattern crptis. Crypis is the action of beings avoiding predation by intermixing in with their backgrounds and fiting the colour form of a bark, branchlets or foliages. Palatable animate beings frequently …

Lab report on a fischer esterfication Sample

Abstraction: The aim of this experiment is to expeditiously execute a fischer esterification of 1-Hexanol to organize H2O and hexyl ethanoate. and to corroborate the esterification with a atomic magnetic resonance ( NMR ) spectrometry. It was found that 0. 3963 grams hexyl ethanoate was formed with a percent output of 33. 2 % . …

Biology Lab Report

Iodine is a test for starch while Benedict’s solution is a test for reducing sugars. When solution A is tested by benidicts test, the clear blue solution changed to a little reddish and brick red precipitate is formed. this result show that solution A is a reducing sugar. When carried out iodine test with solution …

Lycopene Lab Report

Introduction: Lycopene is a carotene because of its carbon and hydrogen composition. It is red in color and a member of the carotenoid family. Members of the carotenoid family play integral roles in plants. They use the absorption of light to aid in photosynthesis, and protect chlorophyll from damage. In humans, Lycopene acts as an …

Oxidation Lab Report

Introduction The purpose of the experiment was to oxidize and identify an unknown alcohol using hypochlorite, or household bleach. During the experiment, the bleach oxidized the secondary unknown alcohol into a liquid ketone which was distilled or boiled to find the boiling point and then identified using a chart of unknown identities and boiling points. …

Cell Membrane Transport Lab Report

A. Introduction:Cells are the most significant building blocks of all living things. They are also the tiniest living organisms in the human body which provides structure for the body and intake nutrients that become energy. Cell membranes control what goes in and out the cell, it protects it. The lipid bilayer describes the membrane of …

Mass Relationships in Chemical Changeslab Report

LAB # 6 MASS RELATIONSHIPS IN CHEMICAL CHANGES October 22, 2012 Patricia D Partner: Mike C MASS RELATIONSHIPS IN CHEMICAL CHANGES PURPOSE The purpose of this experiment was to study the fundamental idea that in chemical reactions, or changes, all particles of one substance will have the same average mass, but particles of different substances …

Lab report for Experiment Purpose: What is the purpose of this lab?

Title: Experiment #2: Extraction Purpose: What is the purpose of this lab? In your OWN words! Observations: Weighed out 3.2568 grams of chemical mixture that was yellow in color. Dissolved dry chemicals in 38 ml CH2Cl2 with gentle heating. Poured the yellow solution into sep funnel. Added 10 ml CH2Cl2 to flask to rinse, poured …

Lab Report 3 Steam Distillation and 4 Crystallization

Reuven Ilyayev Lab Instructor: Maciej Domaradzki Labs 3 & 4 09/19/11 Objective: In steam distillation lab (lab 3), we must obtain pure Eugenol from cloves through the process of steam distillation. In the crystallization lab (lab 4) part 1, we must acquire the best possible pure crystallization of acetylsalicylic acid from aspirin and in part …

Asexual Propagation Lab Report

Asexual Propagation is the process of using plant materials such as the stems, leaves, and roots to multiply the number of plants. These plants eventually grow to be a brand new plant that is genetically identical to the parent plant it came from. In several types of plants, asexual propagation is the fastest means of …

Titration Lab Report

Titration Lab Introduction The purpose of this lab is reach and be able to calculate the equivalence point when we use titration to neutralize a base with acid. The process of the lab was determining the volume of a solution needed to react with a given mass or volume of a sample is called titration. …

Fluid Mechanics Lab Report

University of Bahrain College of Engineering Department of Civil Engineering and Architecture Fluid Mechanics CENG231 Osborne Reynolds Demonstration Sayed abbas Mohamed 20104762 03 1. Objective: To reproduce the classical experiments conducted by Professor Osborne Reynolds concerning fluid flow condition. 2. Theory: Reynolds number, Re is the internationally recognized criterion denoting fluid flow condition. “ Re …

Lab report on enzymes

Enzymes What Are Enzymes? Substances that speed up chemical reactions are called catalysts. Organic catalysts are called enzymes. Enzymes are specific for one particular reaction or group of related reactions. Many reactions cannot occur without the correct enzyme present. They are often named by adding “ase” to the name of the substrate. Example: Dehydrogenases are …

Lab report: antioxidants

Introduction             Antioxidants are free radical scavengers and are a diverse group of chemicals that can be naturally found in vegetables, fruits and plants in general. Antioxidants are also synthesized in our body. The main characteristic of an antioxidant is its ability to trap free radicals. Highly reactive free radicals and oxygen species are present …

Lab Report on Photosynthesis

Lab Report: Understanding Photosynthesis Gen Biology Lab Abstract: This lab was called photosynthesis: understanding photosynthesis. It is a highly complex process that needs to be broken down in many steps to understand how it works. This lab covers the big components in photosynthesis including carbon dioxide intake, light consumption, and varying pigmentation. Introduction: Photosynthesis is …

Evolution Lab Report

I investigate the finch’s beak. Beak size is a trait that affects survival. Birds with small beaks are more efficient at utilizing small soft seeds whereas birds with large beaks are better at utilizing large hard seeds. Therefore, when more small seeds available, birds with small beaks would have a higher rate of survival than …

Sieve Analysis Test Lab Report

Aggregate is one of the basic constituents of concrete. Its quality is of considerable importance because about three-quarter of the volume of concrete is occupied by aggregates. One of the physical properties of aggregate that influence the property of concrete is the grading of aggregate. The grading of aggregate defines the proportions of particles of …

Chromatography Lab Report

Using Chromatography to separate Kool-Aid solutions and visible spectroscopy to measure light passing through Date of Experiment: September 18, 2013 Abstract: Homogenous mixtures can come in the form of colored solutions, like the one used in our experiment, which was Kool-Aid. The fact that it’s a homogenous mixture means that it is thoroughly mixed. Chromatography …

Osmosis Lab Report

Natasha Tenen Lab: Thursday (3-6 pm) OSMOSIS LAB REPORT INTRODUCTION Osmosis is a special type of diffusion where water molecules move down a concentration gradient across a cell membrane. The solute (dissolved substance) concentration affects the rate of osmosis causing it either to speed the process up or slow it down. Based on this, how …

Molar Mass of a Gas Lab Report

————————- ————————————————- ————————————————- Abstract: ————————————————- ————————————————- The aim of this lab was to determine the volume of one mole of hydrogen gas at STP (standard temperature and pressure). In the experiment, a magnesium ribbon was placed at the bottom of an eudiometer tube and allowed to react with 2M hydrochloric acid. The volume of hydrochloric …

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