"Chemistry Lab Reports" Essays and Research Papers

  • Chemistry Lab Reports

    Instructions for the final laboratory report Your Full Name Cebu Institute of Technology - University your_email_address@cit.edu Abstract The abstract should have a maximum of 100 words and should briefly state the problem, method, and the summary of the lab report. Lab reports can be computerized or handwritten with 2 cm (1 in) left and right indention for the abstract. 1. Introduction Paper to be used is 8.5” x 11” (letter or short bondpaper). There will be a 1-inch or 25.4 mm margin on all...

    Citation, Figure, Hypotenuse 642  Words | 3  Pages

  • guide to writing research reports

    THE DEPARTMENT OF PSYCHOLOGY GUIDE TO WRITING RESEARCH REPORTS The following set of guidelines provides psychology students at Essex with the basic information for structuring and formatting reports of research in psychology. During your time here this will be an invaluable reference. You are encouraged to refer to this document each time you write a lab report. The writing of laboratory reports is an essential part of any practical module in Psychology. This is because psychologists (and more...

    Arithmetic mean, Effect size, Lab Report 5309  Words | 10  Pages

  • Chemistry Lab Report

    Chemistry Lab Report   Jeffrey Kenneth Bangero             Introduction  Firstly we calculated the mass of the beaker and then we put the assigned grams of sodium carbonate and calcium chloride. Then we add 50 ml of distilled water to each substance, sodium carbonate dissolved faster than calcium carbonate. After we mixed both sodium carbonate and calcium chloride and they form a solid precipitate. Then we poured it a funnel with a filter paper to get the solid precipitate. Purpose  ● The purposed...

    Calcium, Filter paper, Laboratory glassware 590  Words | 3  Pages

  • Chemistry Beverage Lab Report

    Joanna Park Mrs. Carrillo CP chemistry per. 5 September 17, 2012 i. Beverage Density Lab Report ii. Purpose: The purpose of this experiment is to determine the percentage of sugar content in beverages. iii. Materials: Distilled water, beverages (juice, soda, sport drinks), Sugar reference solutions (0, 5, 15, ad 20%) 25ml each, Balance, centigram(0.01g precision), Beaker (100-mL), Erlenmeyer flask (125-mL to collect rinse solutions), Pipet(10-mL), Pipet bulb or pipet filler iv...

    Chemistry, Concentration, Density 1257  Words | 4  Pages

  • Chemistry Lab Report

    chemistry lab report : reaction of alcohol CHEMISTRY LAB REPORT SK026 SEMESTER 2 SESSION 2011/2012 TITLE                 :REACTION OF ALCOHOL DATE                 : NAME                :  MATRIC NO      :  PARTNER          :  PRACTICUM     :  SUPERVISOR    :  Title            : Reaction Of Alcohol Objectives : 1. To classify alcohol 2. To study the chemical properties of alcohols Introduction: Alcohol is a class of organic compound containing hydroxyl group,     OH as the...

    Acetic acid, Alcohol, Carboxylic acid 1017  Words | 5  Pages

  • Writing an Organic Chemistry Lab Report

    Writing an Organic Chemistry Lab Report Components of a Laboratory Notebook The following components should be contained for each experiment, along with any additional material required by your instructor. • Title and date • Introduction (purpose, reaction) • Physical data (including calculations) • Procedure outline • Data and observations • Discussion of results (conclusions) Prelab Title and Date Give the title of the experiment and the date on which...

    Chemical compound, Chemistry, Experiment 738  Words | 3  Pages

  • Chemistry lab report

     Department of Chemistry Extraction and Sublimation Experiment #4 10/02/13 Introduction Caffeine is a stimulant found in tea, coffee, cocoa, OTC medication, and cola drinks.It stimulates the brain and the central nervous system, so that a person feels less tired and more alert. The purpose of this lab is to determine the amount of caffeine in tea. The major component of tea is cellulose which is a polymer of glucose. Materials Lab coat Goggles Graduated cylinder 1 tea...

    Caffeine, Chemistry, Coca-Cola 556  Words | 3  Pages

  • 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 concentrated one titrating NAOH solution with HCl solution (of known concentration) Procedure Section A: Preparation of 100.0cm3 0.480 mol/dm3 HCl solution a)Determine the volume of the concentrated acid...

    Acid, Base, Chlorine 1101  Words | 4  Pages

  • lab report chemistry matriculation experiment 5

    Lab report chemistry matriculation experiment 5 Example chemistry lab report matriculation experiment 4. Free ebook, pdf. Lab Session 5, Experiment 4 Chemical Nomenclature. Thursday, January 21, 2010 /. Introduction: The laboratory method used in the experiment is titration. Titration is a method usedin. Chemistry Lab Report on standardization of acid and bases. 34335 views. The flask is swirled to dissolve the KHP sample completely.5. The initial reading. (2011) Chemistry for Matriculation. Selangor...

    Chemistry, Creative writing, Essay 970  Words | 3  Pages

  • Chemistry lab report

    Alka-Seltzer Rocket Formal Lab Report Abstract In the Alka-Seltzer Rocket lab one was to experimentally determine how much (grams) Alka-Seltzer and water in mL, is needed to launch the rocket the highest/longest distance in cm. Also to experimentally determine the % NaHCO3 in the tablet using the information from the highest/longest distance. Calculate the error and % error of NaHCO3 in an Alka-Seltzer tablet and to determine the limiting reagent for the highest/longest distance traveled. Alka-Seltzer...

    Acetic acid, Acid, Alka-Seltzer 1315  Words | 4  Pages

  • Chemistry Lab Report

    Lab Report Marisa McKinney P. 2 Purpose: To investigate the periodic variation of density in Group 4A elements. Background: When the elements are arranged in order of increasing atomic number, they exhibit periodic recurrence of properties. Elements in the same group in the periodic table tend to have similar physical and chemical properties. These similarities are due, in large part, to similarities among the electron configurations of the elements in a group. You can find periodic...

    Atomic number, Chemical element, Chemistry 476  Words | 3  Pages

  • Hydrate Lab Report for Chemistry Lab

    original state and the percent of the hydrate recovered was calculated by using the mass of the rehydrated sample by the mass of the original hydrate and then multiplied by 100%. Data Presentation & Analysis Table 1: The data was collected from the lab experiment. Sample calculations are shown. Mass of beaker with sample 30.765g Mass of empty beaker 30.263g Mass of sample .502g Mass of beaker with sample after 1st heat 30.661g Mass of beaker with sample after 2nd heat 30.657g Heating mass...

    Concentration, Dehydration, Heat 823  Words | 4  Pages

  • Chemistry 1 Lab Report

    Experiment 12: Calorimetry and Hess’s Law Purpose: The purpose of this lab is to determine the enthalpy of reaction for the burning of one mole of magnesium in oxygen. Although the reaction is exothermic, the ∆HRXN will be determined by using calorimetry and then using Hess’s Law to manipulate the data collected to yield the answer needed. Procedures: Dillon, Stephanie. “ Calorimetry and Hess’s Law.” Laboratory Manual. Pearson Publishing, 2012, pp.168-177. Data and Results Part A ...

    Energy, Enthalpy, Heat transfer 580  Words | 3  Pages

  • chemistry lab report, density

     DENISTY LAB 2/25/13 Chemistry H. Mrs. Halme Objective: Your task is to determine the density of 3 known metals: Zinc, Copper, and Lead. They are each marked. You must then calculate the density of an unknown metal and determine its identity based on your data from your known samples. Reagents: None Equipment: Lead Copper Zinc Triple Beam Balance Graduated cylinder Unknown metal (Magnesium) Beaker Calculator Procedures Preparation: We observed the given equipment...

    Calculator, Density, Division 1361  Words | 6  Pages

  • Final Chemistry Lab Report

    the experiment The percentage of NaClO in bleach is 2.633%. By standardizing sodium thisulfate and using the solution in titration with diluted bleach, an accurate measurement of NaClO can be found. References University of Kansas – Chemistry 184, Spring 2012 http://linus.chem.ku.edu/GenChemLab/184SP12/Download184_Labs/Bleach%20Chemistry%20184%20Spring%202012.pdf...

    Chemistry, Chlorine, Concentration 817  Words | 4  Pages

  • Chemistry Lab Report

    ab reportChemistry 117L Laboratory Report Name: Aneesa Noorani Lab Day: Tuesday Lab Room: SCL 114 Date of Experiment: January 22, 2013 TA: Mikhail 1. Basic Laboratory Skills Purpose(s) of the Experiment: The purpose of the first part of today’s experiment is to establish the stoichiometry of the reaction between titrate oxalate (C2O42-) and permanganate (MnO4-). The purpose of the second part of today’s experiment is to learn about the concepts of the rate of chemical reactions...

    Burette, Disodium oxalate, Erlenmeyer flask 1802  Words | 6  Pages

  • Lab Report Chemistry

    proton yields the ester. The ester produced is ethyl ethanoate. Conclusion: References: V.K Ahluwia and Rakesh K. Parashar, Organic Chemistry, Kuala Lumpur, Malaysia, 2001, Synergy Media. G. L. Patrick, Instant Notes Organic Chemistry, Daryaganj, New Delhi, 2000, Viva Books Private Limited Paula Yurkanis Bruice, Essential Organic Chemistry, 2nd edition, Upper Saddle River, United States Of America, 2010, Pearson Education Inc....

    Acetic acid, Alcohol, Carbon 1404  Words | 5  Pages

  • Chemistry Lab Report 2

    Menbere Wendimu Che101 Laboratory Report Acid Base Laboratory Objective: Introduction: Experimental: 2.04 g of KHP, 100ml volumetric flask, distilled H2O, approximately 0.1 M of NaOH, Vinegar, Phenolphthalein, 250ml Erlenmeyer flask, weighing balance, Graduating Cylinder, burette and pH meter were used in our experiment. In our first part of our experiment to prepare a primary standard, 0.1 M solution of KHP, we carefully weighed out 2.04g of KHP in a weigh paper using the weighing balance...

    Acetic acid, Acid, Acid dissociation constant 1504  Words | 5  Pages

  • Chemistry lab report

    The unknown solutions might be corrosive or irritant. Precautions: 1. Safety glasses,lab coat and close shoes must be worn during the experiment. 2. Long fringe must be pinned up and hair must be tied. 3. Know the caution while doing the experiment. 4. Glassware must be handled with care. 5. Take the solutions carefully by using beaker. 6. Do not run in the laboratory. Collaboration My lab partner was Chudaarleeni Balagopal.Before the experiment,we had a discussion on what we were...

    Acid, Acid dissociation constant, Hydrochloric acid 1303  Words | 5  Pages

  • lab report

    CHM1032L pre/post lab instructions Preparation is a key to success in this lab. For this reason, you are required to thoroughly read through the experiment information presented in the lab manual, and complete a pre-lab for each experiment you do. The prelab must be completed prior to the day of the experiment. Each Friday I will ask to see your completed prelab before I allow you to enter the lab. If you have not finished the pre-lab, I will not allow you to enter the lab and you will receive...

    Experiment, Laboratory, Logic 1036  Words | 4  Pages

  • Lab Report-

    Student's Name Date of Experiment- 11/27/12 Date Report Submitted 11/27/12 Title: Caloric Content of Food Purpose: to be able to measure the energy content of foods Procedure: We are going to take food items and burn them to heat water to be able to determine the amount of “energy” a food source can emit. Data Tables: |Data Table 1: Food Item - Observations ...

    Carbon dioxide, Energy, Heat 456  Words | 3  Pages

  • Organic Chemistry Lab Report 1

    Name: Vincent Chak Lab 2: Experiment 1 the effect of ph on a food preservative Introduction: The purpose of the lab was to understand and familiar with the laboratory environment and some fundamental operation such as measuring mass, volume; calculating density and separating solid from liquid by vacuum filtration. In the lab, we used sodium benzoate and react with Hydrochloric acid to form benzoic acid. There were two steps involved in the experiment, reaction and separation. After the steps were...

    Benzoic acid, Chlorine, Density 404  Words | 2  Pages

  • Chemistry Lab Report 1 Nicole H

    Chemistry Lab Report 1 Nicole H. Healey (Experiment 1 and 2) October 7, 2014 Data Collection: Table 1: (First Titration) C2O42- Analysis Sample 1 Sample 2 Molarity of KMnO4 0.02m 0.02m Weight of Sample 0.237g 0.225g Final Buret Reading 28.5ml 26.3ml Initial Buret Reading 0ml 0ml Volume of KMnO4 dispensed 28.5ml 26.3ml Moles...

    Burette, Molar concentration, Mole 315  Words | 2  Pages

  • The Chemistry of Copper: AP Chemistry Lab Report

    The lab was to include a purpose, procedure, data/observations, all reactions and side reactions written out with qualitative data beneath each product and reactant except H20, and a summary. The purpose of this experiment is to observe the qualitative aspects of a series of reactions involving copper. Procedure 1.Measure about 1g of solid copper. 2.Place Cu in Erlenmeyer flask and place flask under fume hood. 3.Add dropwise 15M HNO3 until solid copper is completely reacted. 4.Place flask...

    Chemistry, Crystal, Crystal structure 437  Words | 4  Pages

  • Chemistry Report

     Lab #1 PRECISION vs. ACCURACY Liam Yang Partner: Hee Hwang, Jun Hwang Honors Chemistry Ms. Nishijima September 26, 2013 Introduction:  Referring how well experimental data and values agree with each other in multiple tests, precision is an important concept, while accuracy, a correctness of a single measurement, also takes a significant role in chemistry. Accuracy and precision are related to any experimental measurement that anyone would investigate; however, if the measurement that a...

    Accuracy and precision 703  Words | 5  Pages

  • Lab Report

    Chem 105 Guide to the Formal Laboratory Report The purpose of a formal report is to communicate effectively to another person the goal, procedure, data analysis method, and results of your laboratory work. The report is divided into several well-defined sections. Each section must be present in a complete report. To earn an outcome point for the laboratory report, a student must submit a formal lab report that earns a score of at least 90/100. Each error (factual, grammatical, typographical...

    Chemistry, Erlenmeyer flask, Error 1317  Words | 5  Pages

  • lab report

    Erin Arroyo  Lab report June 11, 2013 Biology 123 Professor K Title: Scientific Investigation of the Peroxidase Enzyme & Temperature Abstract:  In this lab we tested the effect temperature has on the rate of enzyme activity. The way we figured this out was by taking four different temperatures and testing the different absorbance levels they produced every 20 seconds for two minutes straight using a spectrophotometer. The important part of this experiment was the temperature...

    Catalysis, Chemical reaction, Chemistry 1725  Words | 8  Pages

  • LAB REPORT

    Institute Physics Course 2014 - Rocket Lab Report Title: RockSim and Electronic Altimeter Measurement Techniques Name: Scarlet Henriquez Email: scarletpatricia94@aol.com LAB SESSION ___8____Assignment _____7_____ Due Date: ___7/8/14______ Objective: Launch a smaller rocket to learn how to compare RockSim predictions (computer based) to an actual instrument measurement carried by the rocket (Electronic Altimeter). This Lab shows how better the electronic measurement...

    Aircraft, Altimeter, Calculation 401  Words | 8  Pages

  • lab reports

    Writing Laboratory Reports Lab reports for Biology may seem different than other classes you have taken. As you progress further in science, you will see variations in styles of lab reports, though they all contain the same basic principles. Lab report sections are as follows: Cover Page Introduction Objective Materials and Procedures Results/Data Conclusions Works Cited **Not every lab report will contain every section. I will give you specific instructions for each lab write-up** ...

    Scientific method 1210  Words | 5  Pages

  • Lab Report

    OCEAN COUNTY COLLEGE OFFICIAL COURSE DESCRIPTION DEPARTMENT OF SCIENCE AND ENGINEERING 1. Course Number and Title: CHEM-181 General Chemistry I 2. Semester Hours: 4 Contact Hours: (3 + 2) Lecture Lab 3. Catalog Description This course, intended for science majors, is the first course of a two-course sequence. Course topics include stoichiometry, inorganic nomenclature, solutions, gas laws, thermochemistry, atomic structure, and chemical bonding. The laboratory work includes...

    Atom, Chemical reaction, Chemistry 1042  Words | 5  Pages

  • lab report

    Lab 17 Amino Acids and Proteins Lab date 10/22/2013 12-1350 I Purpose The purpose of this experiment was to separate mixtures of II Method For a complete list of experimental procedures see prelab outline attachment #1. “For a complete list of experimental procedure see Seager, Spencer L. and Slabaugh, Michael R. Safety-Scale Laboratory Experiments for Chemistry for Today General, Organic and Biochemistry; Thomson Brooks/Cole, Belmont, CA, USA, 2008; pp.221-225”. III Data Part A Mass...

    Acetic acid, Acetic anhydride, Chemistry 408  Words | 3  Pages

  • Lab Report

    Chemistry Lab Report Water Hydration Introduction: A hydrated crystal or hydrated occurs when water becomes tightly attracted to a metal salt base on it’s polarity. The water molecules maintain integrity as molecules, however they are considered to be part of the formula of the hydrate. When the hydrate metal salt crystal is heated, the attractions to the water are broken by the heat energy and the water escape from the crystal. After heating the salt crystal is called as anhydrous, which...

    Evaporation, Heat, Hydrate 1100  Words | 5  Pages

  • Chemistry Lab

    powdery Zinc Iodide. Mass of test tube with zinc iodide- 42g. We made a total of .48g of zinc iodide. Trisheena Harricharran 4/1/13 Miguel Perez Chem 106 Sec 006 Tabulated and Graphical Results Complete Graph of all Tests in Lab Group # | % Yield | | 1 | 96.20% | Misbah Haque, Mellinie Alacron | 2 | 104.63% | Glenia Israel, Angie Li | 3 | 98.40% | Vasadeo, Waleed, Kathyrine | 4 | 92.20% | Andrea, Anna | 5 | 104.50% | Justin, Daphne | 6 | 92.41% | Eden, Bobby...

    Barium sulfate, Boiling tube, Nucleation 945  Words | 4  Pages

  • Synthesis of Divanillin Lab Report

    Lab Report #1 Title: Synthesis of Divanillin Abstract: The purpose of this experiment was to synthesize divanillin. This was done via the oxidative dimerization of two equivalents of vanillin, using enzyme horseradish peroxidase as the catalyst. Procedure: Lab Handout: Nishimura, R.T.; Giammanco, C.H.; Vosburg, D.A. J. Chem Educ. 2010, 87, 526-527. Discussion: Mechanism: Reaction 2 Vanillin H2O2 Divanillin 2 H2O ...

    Atom, Chemical bond, Chemical reaction 521  Words | 5  Pages

  • Lab Report

    Formal Lab Report | Chemistry | | Student name: Sara Hattar Grade: 10 ”C” | | Teacher: Christine Ziadat | | | Title: Investigating the effects of changing the concentration of an acid on the rate of reaction between HCl and Magnesium. Aim: In this experiment we are going to see the effects of using three different concentrations of HCl when added to Magnesium metal on the rate of reaction. Hypothesis: If the concentration of the acid increased in reaction between HCl (the acid)...

    847  Words | 4  Pages

  • Lab Report

    Year 11 Lab Report Template Experiment – Modelling A. Title • A brief concise descriptive title B. Aim • What are you trying to find out? • What do you want to learn? C. Hypothesis • Write a possible solution to the problem. • If ………………………………………………………………………………………….then ………………………………………………………………………………………………………. • Make sure the above statement is testable. • The Independent variable is …………………………………………………….. ...

    Control, Experiment, Hypothesis 399  Words | 3  Pages

  • Lab Report

    LAB REPORT FOR EXPERIMENT 3 COPPER CYCLE OLANREWAJU OYINDAMOLA TUESDAY 27TH February 2013 Abstract This experiment is based on copper, to synthesize some copper compound using Copper (II) nitrate solution to obtain copper metal at the end. Changes of copper complexes when various are added and filtering out the precipitate by using Buchner funnel for vacuum filtration .The experiment started with preparation of copper (II) hydroxide and addition of copper oxide then addition of droplets...

    Chemistry, Concentration, Copper 839  Words | 4  Pages

  • Lab Report APA Format

    Running Head: WRITING A FORMAL LAB REPORT Writing a Formal Lab Report Using APA Format Michael Betco AP Physics 1 ChangZhou Senior High School of Jiangsu Province 1 WRITING A FORMAL LAB REPORT 2 Abstract WRITING A FORMAL LAB REPORT 3 Writing a Formal Lab Report Using APA Format This introduction is also often referred to as the ‘purpose’ or ‘plan’ section. It should include two main categories: Purpose (or Objective) This part of the experiment expressed clearly in only one or two sentences...

    Acetaldehyde, Acetic acid, Acid dissociation constant 1324  Words | 9  Pages

  • Lab Report

    Determination of the Composition of Cobalt Oxalate Hydrate | Chemistry Lab 1211-L | Sheree L. Dickey | Objective: To be able to use gravimetric analysis to determine the percentage of cobalt in cobalt oxalate hydrate as well as learning how to do a redox, titration to determine the percentage of oxalate in the compound Equipment: Analytical balance | 0.02 M potassium permanganate KMnO4 | Buret | 0.1 M sodium oxalate, Na2C2O4 standard solution | Buret clamp | Litmus paper | 6M sulfuric...

    Burette, Disodium oxalate, Manganese 585  Words | 3  Pages

  • Chemistry Lab

     Physical and Chemical Change Objective: Recognize and distinguish between chemical and physical changes. Materials: - lab balance - microspatula - lab burner - dropper pipet - 5 test tubes - mortar and pestle - test tube rack - magnet - test tube holder - insulating pad - watch glass - safety goggles - glass square - lab apron or coat - copper sulfate pentahydrate - iron fillings - sodium chloride - magnesium ribbon - hydrochloric acid - paper...

    Chemical compound, Chemical substance, Chlorine 971  Words | 4  Pages

  • Lab Report

    INTRODUCTION: In this laboratory exercise explore the differences of microorganism and continue our use of specialized media and use some biochemical testing.This report discloses the basic laboratory instruments will be used in each of our practices .It is of great importance to recognize and identify the different instruments and laboratory tools, because in this way will we be able to use them properly and also to call them by name and know why. Listen Read phonetically   Dictionary - View...

    Bacteria, Gram staining, Metabolism 527  Words | 4  Pages

  • Lab Report

    McLean 1 Creating Acetylene Gas Introduction The purpose of the lab was to determine the ratio of air to acetylene results in complete combustion of acetylene gas. The balanced chemical equation for this experiment was C2H2(g) + O2(g) --> CO2(g)+ H2O(l). Complete combustion is the reaction of an element or compound with oxygen to produce the most common oxides and energy. Complete combustion occurs when the fuel and oxygen combine in exact proportions to completely burn the fuel...

    Acetylene, Combustion, Gas 657  Words | 3  Pages

  • Lab Report

    Lab Report: Stoichiometry Lab Oct. 27, 2011 Claire Elizabeth Lab Partners: Hannah Signature:___________________ Introduction- Baking soda and vinegar are two common materials found in almost every household. That, plus the fact that all the starting and finishing materials are non hazardous and safe, is why this is one of the first chemical reactions that many people are exposed to The purpose of this experiment tests which of the two reactants (vinegar and baking soda) is the limited...

    Acetic acid, Chemical reaction, Force 579  Words | 3  Pages

  • Chemistry Lab

    October 13, 2012 Needle through a Balloon Pre-Lab Preparations: Purpose: The purpose of this experiment is to see if the balloon pops when pierced with a wooden skewer or a sharp pin. Hypothesis: If we lubricate the skewer with petroleum jelly, then it should go through the balloon without popping. Hypothesis for the 2nd part of the Lab: If we cover the side of the balloon with cellophane tape, then it will not pop when pierced with the pin. Materials: • Balloons • Long wooden...

    Experiment, Hypothesis, Observation 713  Words | 3  Pages

  • Lab Report

    Title Cricket Chirp Rate Lab The Effects of Atmospheric Pressure By Abigail Charpentier E Block Date October 2, 2013 Objective The objective of this study is to determine which environmental factors influence the rate of how fast a cricket chirps, to review and practice the steps of the scientific method, to learn how to use an online computer simulation https://www.gc.maricopa.edu/biology/glacier/scientific_method/ to review and practice constructing data charts and graphs...

    Atmospheric pressure, Chirp, Chirp rate 287  Words | 3  Pages

  • Ib Chemistry Lab Format

    AP/IB Chemistry Internal Assessment Lab Format The following titles and subtitles (in bold) should be used for your lab report and given in this order within your lab report. Title: choose one to fit your experiment I. Design A. Problem – must be a focused, clear research question. B. Hypothesis (When appropriate) • Clear answer to Problem – • Logical rational • your conclusion should address the hypothesis you are giving here. C. Variables...

    Control, Experiment, Measurement 751  Words | 4  Pages

  • Chemistry Lab

     Name: Marisa Malazzo Date: 7/17/14 Exp 1: Observations of Chemical Changes Lab Section: 76426 Data Tables: Part 1: Chemicals Well No. Observations of the Reaction A. NaHCO3 + HCl no color change, some small bubbles formed B. HCl + BTB changed a yellowish orange color, no bubbles or precipitation C. NH3 + BTB changed a blue color D. HCl + blue dye changed a green color E. Blue dye + NaOCl no chemical change, only blue color appeared with the 1 drop...

    Blue, Brown, Chemical reaction 746  Words | 4  Pages

  • Lab Report

    Microbiology-2460 Lab-003 March 31,2008 Lab Report-Escherichia coli Abstract The purpose for this lab report was to identify and inform of an unknown bacteria that has been causing a patient to have lower abdominal and pelvic pain. To obtain the identification of this unknown bacterium, several biochemical tests needed to be performed in order to prescribe the correct medication to treat and cure the symptoms. Introduction In a lab today, I am to identify an unknown bacterium that is...

    Bacteria, Enterobacteriaceae, Escherichia coli 1053  Words | 4  Pages

  • lab report

     Lab Report: Scientific Method Your Name: Taylah Harness Purpose of this Lab What is the goal of this lab? What question is it trying to answer, or what problem is it trying to explain? The goal for this lab is to be able to get the boiling water's temperature to increase by adding table salt. The problem it is trying to explain is, how does table salt affect the boiling temperature of water? does it increase or decrease? or does it stay the same? Hypothesis After reading the...

    Boiling, Boiling point, Celsius 962  Words | 5  Pages

  • Lab Report

    10/24/2013 LAB TITLE: Single Replacement Reaction of Solid Copper with Silver Nitrate PURPOSE The purpose of this lab is to: • Observe a single replacement reaction, and • Calculate the mole ratio of silver (Ag) to copper (Cu) in the reaction MATERIALS • Copper wire (30 cm) • Large test tube • 250 ml beaker • Silver nitrate (AgNO3) powder • Dilute AgNO3 solution • Distilled water • Electronic balance • Glass stir rod • Watch glass PRE-LAB DISCUSSION A single...

    Chemical reaction, Chemistry, Copper 711  Words | 4  Pages

  • Lab Report

    LAB Report #3 Introduction: In this lab we have focus on Isolation of bacteria from environment. Microorganisms are found throughout the environment: in the air and water; on the surface of any object such as clothes, walls, furniture; in soil and dust; and on and in our own bodies (skin and mucous membranes). In order to demonstrate the ubiquity and diversity of microbes in the environment, samples from immediate areas of the environment and/or from your body will be obtained and cultured...

    Agar plate, Bacteria, Growth medium 794  Words | 3  Pages

  • Lab Report

    MEC 325/580 Lab Report CNC Machining Lab Report Date: March 18, 2013 Group Leader: Jian Wu Team Members: Group Number: G4 Regment No.: D Insturctor: CONTENTS 1.Objective and introduction. 2.Principles and practice. 3.Design and result. 4.Conclusion and recommendations. Appendices 1. Objective and introduction * Objectives Operate the CNC milling machine using G-codes, M-codes in a CNC program. * Equipment: Minitech CNC machine (Series 2) * Machine...

    Electrical discharge machining, G-code, Machine tool 1099  Words | 4  Pages

  • Lab report

    09/17/13 Che 102L Lab # 4 Molar Mass by Freezing Point in Anti-Freeze. Objective: to determine the freezing point of pure naphthalene, determine the molar mass of an unknown by measuring the freezing point depression of a solution of the unknown in naphthalene. Materials: Beakers 600 mL, 2-250 mL,Crystal Ice,20 g of NaCl,Stirring Rod,Thermometer,Foil, Water, 10 mL, Cylinder, 25 mL 100 mL Dropper, 2 Test Tubes. Procedure: Filled 600 mL beaker with ice, took temperature until it got...

    Chemistry, Concentration, Freezing 384  Words | 3  Pages

  • Lab Report

    Lab Report: Toothpickase and Enzymes September 19, 2012 Olivia DePhillips Lab Partner: Joy Morgan Meyers Signature: Introduction Enzymes are biological molecules that catalyze chemical reactions. In enzymatic reactions, the molecules at the beginning of the process, called substrates, are converted into different molecules, called products. Almost all chemical reactions in a biological cell need enzymes in order to occur at rates sufficient for life. Like all catalysts, enzymes work...

    Activation energy, Catalysis, Chemical equilibrium 1017  Words | 4  Pages

  • Chemistry Lab Report on standardization of acid and bases

    Chemistry Lab Report on standardization of acid and bases. Purpose: To prepare standardize solution of sodium hydroxide and to determine the concentration of unknown sulfuric acid solution. Data and Calculations: This experiment is divided into two parts (Part A and Part B). In the first part of experiment, the standardize solution of sodium hydroxide is prepared by titrating it with base Potassium hydrogen phthalate (KHP). The indicator Phenolphthalein is used to determine that whether titration...

    Acetic acid, Acid, Hygroscopy 1631  Words | 5  Pages

  • Chemistry Lab

    experiment the unknown that is given must be identified. In order to do so the percent mass of copper in compound must be determined. The molecular mass of the compound will be determined from the percent mass that was found from the copper in the compound (Lab Manual Page One of Experiment 2). This experiment is performed to find the unknown from a list of Compounds. The list of compounds has the same commonality in the amount of copper that is in the compounds. (Table 2) In the experiment, an unknown...

    Atomic mass unit, Chemical element, Chemistry 1048  Words | 5  Pages

  • Lab Report

    Lab Report: Halogen Reactions Purpose: This experiment will allow for exploration into some of the properties of Group 17 elements (halogens) and their compounds. More specifically, the solubility properties of these halogens will be used to predict their reactions. The relative electronegativities of the halogens will be determined. Halides,such as Cl-, Br-, and I- will be used to make these determinations. Because this lab is qualitative rather than quantitative, there are no calculation...

    Bromine, Chlorine, Electronegativity 621  Words | 3  Pages

  • Dehydration Lab Report

    Dehydration of 2- Methylcyclohexanol." Organic Chemistry Lab 2040L. XU Chemistry, n.d. Web. 12 Feb. 2013. 2. "Material Safety Data Sheet 2-Methylcyclohexanol." Http://www.coleparmer.com/Assets/Msds/97403.htm. Coleparmer, 19 Mar. 1998. Web. 12 Feb. 2013. 3. "Material Safety Data Sheet Methylcyclohexane." Sciencelab.com. Science Lab, 09 Oct. 2005. Web. 12 Feb. 2013. 4. Helmenstine, Anne M., Ph.D. "How to Write a Lab Report." About.com Chemistry. About.com Guide, n.d. Web. 23 Feb. 2013. . ...

    Chemical reaction, Chemistry, Gas 821  Words | 3  Pages

  • lab report

    Bencala, K. E.; Kimball, B. A.; McKnight, D. M. USGS Water-Resources Investigations Report: 92-408 2.  Anonymous; "Now You See It..., Scientific American, 259:19, September 1988. 3. Global Edition, Chemistry The Molecular Nature of Matter and Change. 4.  Benveniste, Jacques; "Benveniste on Nature Investigation," Science, 241: 1028, 1988. 5. Ultra High Dilution: Chemistry and Physics edited by P.C. Endler, J. Schulte. ...

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