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    Experiment Biology

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    aside - Observe and record the colour of solution in the Visking tube and in the beaker. - Test both solutions for the presence of glucose using Benedict’s solution. Pour 2ml of each solution into separate test tube and add 1ml of Benedict’s solution. Heat the mixture in the water bath for 5 minutes and record the colour change. Result : |Solution in |Contents |Iodine |test |Benedict’s test | | | |Initial

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    Aspirin Experiment

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    pleasant‚ fruit-like odors and are the chemicals responsible for the odors and flavors of many fruits (oranges‚ bananas‚ pineapples) and flowers. In most cases‚ such natural products get their properties from a mixture of organic compounds. In this experiment you will prepare two esters of o-hydroxybenzoic acid‚ more commonly known as salicylic acid. One of the esters‚ acetylsalicylic acid‚ is aspirin‚ the common analgesic. We will synthesize aspirin by mixing salicylic acid with acetic anhydride. The

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    Chem experiments

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    UTAR FHSC1134 Inorganic Chemistry Trimester 3 Experiment 1 ________________________________________________________________________ Title: Investigating the Properties of Period 3 Oxides Aim: To examine the oxides of Period 3 elements and describe their structure and bonding. Introduction: Generally‚ there are oxides of metals and non-metals. Metals burn in oxygen to form basic oxides while non-metals form acidic oxides. Structurally‚ they are covalent or ionic compounds. You are to

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    Experiment Plan

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    Experiment Plan By: Ashley Project Question: What size of bouncy ball bounces the highest‚ small‚ medium‚ or large?   * I predict the following will happen (my hypothesis): I predict that the smallest ball will bounce the highest since it is the lightest. | * Independent Variable: I will be changing the ball size. * Dependent Variable: The height of the bounce. * Controlled Variable: The height that I will drop the balls at. | The materials and amounts of each that is

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    sensation scale along with numerous experiments involving human subjects in various environments. He related the subjects in response to the variables‚ which influence the condition of thermal comfort. Fanger’s model is based upon an energy analysis that takes into account all the modes of energy loss (L) from the body‚ including: the convection and radiant heat loss from the outer surface of the clothing‚ the heat loss by water vapour diffusion through the skin‚ the heat loss by evaporation of sweat from

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    Experiment 13B

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    Experiment 13B: Isopentyl Acetate (Banana Oil) Semimicroscale Procedure Taylor Levin 5.28.14 Chemistry 352- Organic Chemistry Lab Summer 2014 Purpose: To prepare isopentyl acetate (banana oil)‚ an ester‚ from isopentyl alcohol and acetic acid through the Fischer Esterification reaction. Reactions: acetic acid + isopentyl alcohol  isopentyl acetate + water C2H4O2 + C5H120  CH3COOCH2CH2CH(CH3)2 + H20 Procedure: A reflux condenser was assembled

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    Title: Specific Heat Capacities of Metals Experiment Date: 3/28/2012 Report Date: 4/4/2012 Purpose: The purpose of the lab is to measure the specific heat capacities of aluminum‚ steel and brass. Theory: The amount of heat (ΔQ) required to change the temperature of an object is proportional to the mass (m) of the object and the temperature change (ΔT) of the object. ΔQ= cmΔT where c is called as the specific heat capacity of the material. In the calorie units system the unit of quantity

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    04.05 Chemical Reactions: Combustion: Lab Worksheet and Rubric  Before You Begin:​  You may either copy and paste this document into a word processing  program of your choice or print this page.  Procedure:  1. Iron (III) and copper (II) sulfate solution  2. Fill a small test tube halfway with copper (II) sulfate solution. Add a 2.0 gram iron rod  to the solution and observe the reaction.   3.   4.   5. Lead (II) nitrate and potassium iodide solutions  6. Pour about 2.0 mL of lead (II) nitrate into the test tube

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    Aim: i) To find the relationship between supplied energy and change in temperature of water. ii) To find the specific heat capacity (SHC) of water. Hypothesis: As time increases so does the temperature since the water is exposed to the heated wire for a longer period of time. Variables: The Dependent Variable is the temperature of the water‚ and since the Energy is calculated using temperature it is a dependent variable as well. The constant variables are the voltage and current. Theory:

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    Measurement of the Heat of Neutralization of an Acid CHM 152IN CRN: February 5‚ 2000 I. Purpose of Experiment The purpose of this lab is to measure the heat released in the reaction of an acid and a base. This will demonstrate an enthalpy reaction‚ showing energy being released. II. Chemicals and Equipment The following chemicals and equipment will be utilized for the experiment: |Chemicals |Equipment

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