• Chemical Equations Lab Report
    Chemical Reactions I. Purpose – The purpose of this lab was to observe different type of chemical reactions to write and balance chemical equations. II. Hypothesis: If you mix two chemicals together, then they will change color and/or bubble/fix. III. Procedure - Workstation
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  • Lab Report: the Identification of Acids and Bases Using a Natural Indicator
    The identification of acids and bases using a natural indicator Purpose: The purpose of this lab practice is to identify the pH of certain solutions and if they are acids or bases. Introduction: In chemistry, pH is a measure of the activity of the (solvated) hydrogen ion. p[H], which measures the
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  • Lab Report 1
    Title: Observation of Macroscopic Chemical Changes, Alice Kimbrell, Chemistry 101-DS01:74589, 5/31/2013. Purpose: In this lab, I will observe macroscopic changes that occur when mixing together certain chemicals and household cleaners. The mixing of the chemicals provided with each other and w
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  • Lab Report Digestion
    1.0. INTRODUCTION The primary function of the digestive system is to transfer nutrients, water, and electrolytes from the food consume into the body’s internal environment. The ingested food is essential as an energy source, or fuel, from which the cells can generate ATP to carry out their parti
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  • Lab Report
    The discussion section of the lab report is where the results are interpreted, especially as they relate to the goals stated in the Introduction.  It is also a place where experimental anomalies, errors, or other surprising results can be discussed.    For Chemistry 1210 lab, the expected leng
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  • Standardization Chemistry Lab Report
    Standardization of Solution and Titration Lab Report, Preparing a Dilute HCl Solution from a Concentrated One Titrating NAOH Solution with HCl Solution (of Known Concentration) Chemistry lab report(by abdazino abdalla) International College Objective preparing a dilute HCl solution from a concen
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  • Calorimetry Lab Report
    06.03 Calorimetry: Lab Report Before You Begin: You may either copy and paste this document into a word processing program of your choice or print this page. Part I The Dissolving of Solid Sodium Hydroxide in Water Procedure: 1. Measure out approximately 200 mL of distilled water and pour
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  • Bio Lab Report
    BIOLOGY LAB REPORT Name: Noor Farzanah Binti Ameer Sajahan Group: 11SC4 Title of Report: The vitamin C content of fruit juice Date of experiment: 29 July 2013 Lecturer: Puan Zakiah binti Zakaria Title : The vitamin C content of fruit juices. Objective
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  • Ibdp Chemistry Ia Enthalpy Change of Neutralisation
    Aim: To calculate the enthalpy change of neutralization of the given pairs of acid and base. Theory: When alkali neutralizes an acid, a salt and water are formed. Aqueous hydrogen ions, H+(aq) from the acid react with the hydroxide ions, OH-(aq) from the alkali, forming water. Ionic equ
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  • Determination of Enthalpy Change of Neutralization
    CHEMISTRY DETERMINATION OF ENTHALPY CHANGE OF NEUTRALIZATION IA Criteria Assessed: DCP CE MS Introduction When an alkali neutralizes an acid, a salt and water are formed. Aqueous hydrogen ions (H+(aq)) from the acid react with the hydroxide ions (OH- (aq)) from alkali, forming w
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  • Lab Report
    Experiment 1 Heats of Reactions – Hess’s Law Objective To measure experimentally the amount of heats absorbed or released during the dissolving of sodium hydroxide in water and during the reactions of solid sodium hydroxide and its solution with HCl solution. Introduction...
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  • Designing a Handwarmer Lab Report (AP Chemistry)
    Lab 5 Julia (hour 2) TITLE: INVESTIGATION – Hand Warmer Design Challenge: Where does the heat come from? PURPOSE:  to determine which of the 3 ionic compounds (NaCl, LiCl, or NaCH3COO) is most suitable for use as a hand warmer  PROCEDURE: DAY 1 (Part 2 only): 1)...
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  • Exp 3 Synthesis Of Aspirin Formal Lab Report
     Experimental Synthesis of Aspirin and Melting Point Purity Analysis Donald Yeargin CH 222, Section 24221 Department of Chemistry Portland Community College Portland, OR Abstract The various methods available to synthesize aspirin lead to the need to examine and evaluate...
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  • Reaction Lab
    Reactions in Aqueous Solutions: Metathesis Reactions and Net Ionic Equations Introduction: Metathesis or double decomposition reactions are a reaction in which two compounds react to form two new compounds, with no changes in oxidation number. The ions of two compounds exchange...
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  • Physics Lab Report
    CROATICA CHEMICA ACTA CCACAA 78 (1) 99¿103 (2005) ISSN-0011-1643 CCA-2984 Original Scientific Paper Acid Value Determination in Vegetable Oils by Indirect Titration in Aqueous-alcohol Media Elena Kardash* and Yakov I. Tur’yan National Physical Laboratory of Israel (INPL), Givat...
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  • lab report
    Experiment 1 Separation of Mixtures Summary of Principles: Most of the materials we encounter in everyday life are not pure substances. Many materials such as sand are formed from physical combination of various substances, and are called mixtures. Mixtures can be classified into...
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  • lab report 1066
    Process Determine the Heat of Reaction Perform by: Ashley Kue, Allison Loken, Bradley Mies and Nam Nguyen* Introduction: In this experiment, the objectives were to investigate the heat energy change in the acid-base reaction and related to Hrxn. Also needed to construct two...
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  • photosynthesis lab report
    By: Abshiro Mayow Saint Cloud State University Biology 151- 03-Photosynthesis Lab report 10/28/13 The Photosynthetic Rate of Spineraci oleracea in Full Spectrum and Green Light Abstract The purpose of the experiment was to test the photosynthetic rate in full spectrum and green...
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  • Biology 151: Complete Photosynthesis Lab Report
    By: Abshiro Hussein Mayow Biology 151- 03-Photosynthesis Lab report 10/28/13 Titile:The Photosynthetic Rate of Spineraci oleracea in Full Spectrum and Green Light Abstract The purpose of the experiment was to test the photosynthetic rate in full spectrum and green light by using...
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  • Agar Cube Lab Report
     Biology Lab Report Investigating the Relationship between Cell Size and Rate of Diffusion Ban Madi 11 Dp Biology SL Research Question: How does the size of the cell affect its efficiency in exchanging substances...
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