Purpose To check whether mass is gained or lost during a Chemical reaction. Hypothesis Equipments and Materials • Eye protection • Test tube • 250 ml Erlenmeyer flask and stopper • Weight Balance • Antacid tablet • Dilute solutions of o Sodium Hydroxide‚ NaOH(aq) o Iron(III) Nitrate‚ Fe(NO3)3 • Funnel • Cylinder Procedures 1. Put eye protection on for safety purposes. Part A: Reaction between Iron(III) Nitrate and Sodium Hydroxide. 2. Take two cylinders and fill one (full)
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Purpose: To find out the densities and to find out the name of the unknown metals. (Based on the extensive and intensive properties) Check up the words mass‚ volume‚ density‚ extensive properties‚ and intensive properties. Where do the units for mass and volume) come from and what do they mean? What is the density of distilled water? What is Archimedes principle? Does temperature affect the density of a solid? Liquid? Gas? Materials: Safety glasses‚ 10‚ 25 or 50 mL graduated cylinders
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Enzyme lab report. Introduction. An enzyme is a protein molecule that speeds up the rates of chemical reactions by many folds. They recognize‚ bind‚ and change specific reactants. They do not change thus can catalyze the same reaction again and again. Activation energy also known as an energy barrier is the amount of energy needed in order to begin a chemical reaction. Catecholase catalyzes the reaction rate of catechol oxidation. Catechol is found beneath the skin of many plants such
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Nolan Cheese 1 Nolan Cheese: Super Mouse The Nolan Cheese advertisement targets audience of all ages and both genders. The ad grabs the audience’s attention with lighthearted music‚ melodramatic music‚ and upbeat‚ youthful music. It shows an endearing mouse enjoying a piece of cheese happily‚ with no care in the world because the cheese is from
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The Danger of Speaking Out Carlo Ginzburg’s The Cheese and the Worms: The Cosmos of a Sixteenth-Century Miller explores the trials of supposed heretic Domenico Scandella. Better known as Menocchio‚ The Cheese and the Worms details his extensive beliefs about mistruths in religion and is written as a micro history of the events of his trial. At a time when religion and God were thought of as pure fact‚ Menocchio doubted their supreme existence and this lead to his death by burning. When reviewing
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Introduction A stapler is a mechanical device that joins sheets of paper or similar material by driving a thin metal staple through the sheets and folding the ends. The Stapler is now a day very useful thing in offices‚ industries and also use in business establishment. These establishment are increasing every year in numbers‚ stapler is such a thing which is helpful to everybody form School or Colleges Students to a officers at any time
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Activity 4) 1) This information tells us that the vehicle stopped running approximately 17 minutes ago by finding the constant k value‚ the vehicle would have only had this amount of time to cool down after being run. 2) Investigation Report The suspect’s alibi was stated that he arrived home at approximately 10:00 and then had a telephone conversation until 10:20; his location previous to his arrival time was at a friend’s house who agrees with this statement. His alibi can be proven
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speeds and can be harmful and cause diseases. Although microorganisms may cause harm‚ society benefits from microorganisms in many ways. Microorganisms are necessary for the production of antibiotics‚ vitamins‚ vaccines and food such as bread and cheese. Dues to its important role in society the study of microorganisms‚ Microbiology‚ has become widespread. Microorganisms collected for study can be grown and visualized in both liquid and solid growth media. The purpose of the media is to provide
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6 November 2012 SUBJECT: Lab Report Analysis This memo proposes the observations and claims I collected from reviewing three different lab reports. Three fields of study are composed within this memo that includes Electrical Engineering‚ Environmental Engineering‚ and Petroleum Engineering. “Electrical Filters‚” (Electrical)‚ written by Joe Schmoe‚ is a lab report made by a student at a university. The College Board produced an environmental lab report named‚ “Monitoring Air Quality‚”
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SCIE211 Phase 2 Lab Report Title: Speciation Instructions: You will need to write a 1-page lab report using the scientific method to answer the following question: • What would happen if a species within a population were suddenly split into 2 groups by an earthquake that creates a physical barrier like a canyon? When your lab report is complete‚ post it in Submitted Assignment files. Part I: Use the animated time progression of speciation to help you write up your lab report. Part II: Write
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