Unknown Bacteria Lab Report Introduction The purpose to this lab was to identify an unknown bacteria from a mixed culture provided to us by our instructor. This study was done by applying all of the methods that have been instructed on thus far in microbiology laboratory class. Each test performed‚ provided us with some key information about the unknown organism in question and how the bacteria function. Over a two week period‚ eight prepared types of test media were provided to identify
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The Tomb of the Unknown Soldier in the Arlington National Cemetery contains the remains of American soldiers who fought in World War I‚ World War II‚ the Korean War‚ and the Vietnam War that cannot be identified. They sacrificed their lives and helped change the lives of people then and now. When our class visits Washington‚ D.C‚ it will be important for us to be a positive and sophisticated group of 8th graders. That’s important because we want to represent our state and country for tourists
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Determining the Molar Mass of a Volatile Liquid Purpose: The purpose of this lab was to find the molar mass of a volatile liquid. Data Table: Mass of Test Tube and Stopper (g) | 10.864 g | Barometric Pressure (mmHg) | 749.31 mmHg | Temperature of Boiling Water (C) | 97.1 C | Mass of Test Tube‚ Stopper‚ and Condensed Liquid (g) | 10.890 g | Volume of Flask (mL) | 9.90 mL | Calculations: 749.31 mmHG*1 atm760 mmHg= .98593 atm 9.90 mL*1 L1000 mL= .00990 L 97.1 C+273=370.1 K Substituting
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CHM152LL LAB MANUAL COMPLEXOMETRIC DETERMINATION OF WATER HARDNESS Complexometric Determination of Water Hardness Introduction Complex ions When a neutral molecule or anion (a Lewis base) donates electron pairs and attaches itself to a metal ion center (a Lewis acid)‚ the resulting cluster‚ or complex‚ of atoms becomes a single complex ion. When such complexes form‚ the electron donating groups (called ligands) form coordinate covalent bonds through empty orbitals on the metal ion. An example
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UNIVERSITI MALAYSIA SABAH SCHOOL OF FOOD SCIENCE & NUTRITION LABORATORY REPORT NT20903 FOOD CHEMISTRY AND BIOCHEMISTRY Determination of free fatty acid(FFA) and iodine value (IV)in oil LECTURER NAME : MOHD NAZRI BIN ABDUL RAHMAN LAB SESSION : 3 OCTOBER 2011 (GROUP 4‚ MONDAY) Group Member Title: Determination of free fatty acid (FFA) in oil and determination of iodine value (IV) in oil Introduction Acid value or free fatty acid content is an important characteristic commonly used
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separate and identify all three unknown cations‚ found in a mixture and belonging to one of two specific groups (2 from one and 1 from the other). In order to do this we will be using various tests and reactions and observing the effect they had on our solution. Materials: Pasteur pipets Bunsen Burners Stirring rods Excess reagents Hot plates Sample QA unknown 101-5.7 Table of steps and observations: Step/Test |Observation |Inference | |2-1 Adjustment of pH |Upon adding
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describes analytical methods for performing RS testing. Limits and different methods for determination of RS have been finally integrated in USP (1). Methods accepted by pharmacopoeias and ICH Guidelines * The first analytical method for RS‚ which was published in pharmacopoeias‚
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Look at these pictures. Label them as solid‚ liquid or gas. Use them to help you cross out the wrong information in the table below so you are left with only the correct information. solid liquid gas Extension: Using your table above‚ explain the following a) Why does a solid have a fixed shape? A solid has a fixed shape because the particles are very close together and arranged in strong regular lines although they vibrate the particles are so packed together
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Rule 1: Life is not fair – get used to it! Rule 2: The world won’t care about your self-esteem. The world will expect you to accomplish something BEFORE you feel good about yourself. Rule 3: You will NOT make $60‚000 a year right out of high school. You won’t be a vice-president with a car phone until you earn both. Rule 4: If you think your teacher is tough‚ wait till you get a boss. Rule 5: Flipping burgers is not beneath your dignity. Your Grandparents had a different word for burger
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techniques for the purpose of identifying the bacteria. The data‚ once compiled‚ was then used to determine the possible identity of the unknown bacteria based on the information found in Bergey’s Manual of Systematic
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