"Umuc biol 103 lab 5" Essays and Research Papers

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    Vsepr Lab

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    tables provided in the introductory comments for Lab #16 VSEPR Theory. Molecular Shape Number of Bonds About Central Atom Shape Description BF3 3 Trigonal planar BeCl2 2 Linear CH4 4 Tetrahedral PF5 5 Trigonal bipyramidal SF6 6 Octahedral C. Valence Shell Pairs: Single Bonds and Non-Bonding electron pairs Fill in the table below for the corresponding compounds. Reference the tables provided in the introductory comments for Lab #16 VSEPR Theory. Molecular Formula Number

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    Bio Lab

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    Scientific Writing and Standard Components of a Lab Report INTRODUCTION Writing is a powerful tool. Effective communication is necessary to succeed in any field. As a professional‚ you must communicate with both your colleagues‚ and the community at large. Writing is the means of showing the value of your work. The specific style of writing in science is based on the unique audience of readers. In addition‚ writing allows one to organize one’s thoughts and clarify ideas‚ and it fosters abstract

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    Mitosis lab

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    Title- Mitosis Abstract –For this lab there is no experiment to be done only questions to be answered. In this experiment we will categorize and count the cells to compute the mitotic index of the total root area. Introduction – The purpose of this experiment is to answer questions associated with the onion root tip photos that are pictured in the lab. The questions for this lab will be drawn from the discussion and review section at the beginning of the mitosis lab. Once that section has been reviewed

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    Lab Assignment

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    points total) Lab Activity 2 Insert a photo of the following marked on your shirt (use tape and labels or plastic instead of marking on your shirt). 1. The 4 corners of the heart (1 point each corner) and draw the outline of the heart (0.5 point). 2. The position of the heart valves (2 points). 3. Outline the aortic arch. (0.5 point) B. Part B. PowerPhys Experiment 4 – Effect of Exercise on Cardiac Output (13 points total) Complete the experiment and save the PDF lab report.

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    Week 5

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    21/03/2013 Debt & Equity Capital • Capital: Long term funds of a firm Topic 10 part 1 Share valuation Based on slides prepared By Alex Proimos‚ John Wiley & Son Debt & Equity Capital • Debt Capital: Long term borrowing incurred by the firm (loans‚ bonds etc). • Equity Capital: Long term funds provided by the firm’s shareholders (preference and ordinary). Can be raised internally (retained earnings) or externally (selling of shares). The market for shares Basic facts 

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    Macromolecules Lab

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    MACROMOLECULS LAB: What are the mystery powders? Period: 4 Asia Enoch Introduction: A carbohydrate is an immediate form of energy in your body. Monomers is smaller than a polymer. For carbohydrate the monomer is sugar and the polymer is a polysaccharides. Carbohydrates are important to our body because we need to use energy. The purpose of this lab is to figure which one is the monomer and which one is the polymer. Hypothesis: If I place two drops of iodine into the mystery powder‚ it

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    Microscopy Lab

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    Lab  #1  ‐  Introduction  to  the  Microscopy  &  Observation  of  Prokaryotic  and  Eukaryotic  Cells  Introduction  Many  of  the  cells  and  organisms  that  you  will  be  studying  are  at  the  lower  limits  of  visibility  of  light  microscopes;  therefore‚  it  is  extremely  important  that  you  attain  critical  lighting  and  focussing.  It  is  also  important  to  handle  the  microscope  competently  to  avoid  damaging  either  the  microscope  or  the  preparation  you  are  studying

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    Unknown 5

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    sample! This sample/DIW ratio will give ion concentrations of ~0.1-0.2M for soluble salts of unknowns. (ii) Observe pH to one SF Use small portion of sample to make a solution with neutral water to test pH with indicators. ≈2 HSO4- (no OH-) ≈5-6 NH4+ ≈7 Cl-‚ NO3-‚ SO42-‚ Na+‚ K+ ≥13 OH- (iii) Perform necessary separations If Na+ and NH4+ are present‚ testing for K+ requires separation of NH4+. Place small portion of original sample in crucible and heat strongly until “smoking”

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    Lab Report

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    LAB REPORT Introduction: In a chemical change‚ the identities of substances change and new substances form. In an equation the substances on the left are the reactants. The substances on the right are the products. In this experiment the objectives are to observe evidence that a chemical change has taken place. Infer from observations that a new substance has been formed. Identify and record observations that show energy is involved in chemical change observe the color‚ solubility of some substances

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    Rocket Lab

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    neither man would expect the effect these elements could have on modern science‚ namely rockets. But creating a rocket is just combining these two gases in a closed environment‚ and one spark. This lab exemplifies just that what happens when the gases H2 and O2 are chemically combined with a spark. In this lab‚ the objective was to see how far a pipette filled H2 and O2 could travel. One half a centimeter of H2O was added to keep the gases inside‚ and make sure that only these H2 and O2 where included

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