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Free research essays on topics related to: 5 ml

11 results found, view free essays on page:

  • Needles And Syringes Injection Site
    1,178 words
    There is much debate surrounding the question of whether injectable steroids are more or less effective and safe than oral steroids. It is suggested that the oral steroids, which have a special " 17 -? alkyl ated" chemical structure making them active orally and more difficult for the liver to break down, may be more toxic to the liver. In addition, these oral steroids are subject to "first pass metabolism' meaning the liver is exposed to the drug at its highest concentration immediately after i...
    Free research essays on topics related to: hepatitis b, hepatitis c, needles and syringes, oil based, injection site
  • Parts Per Million Graduated Cylinder
    1,007 words
    Concentration of Food Colors in Artificially Colored Beverages Fake Hall rm# 405, SUNY Cobleskill, NY This experiment was performed to investigate and determine the concentration of food coloring in Food Club Brand Cranberry-Ginger Ale. Methods used in the experiment include; comparing the color of the sample to the 3 controls (at 5 ppm, 10 ppm and 15 ppm) by an approximate assessment with just simple eyesight, and the use of a spectrophotometer. The color of the sample of Food Club Ginger Ale s...
    Free research essays on topics related to: parts per million, 5 ml, graduated cylinder, dye, distilled water
  • Chemical Reaction Kinetic Energy
    633 words
    The rate of a chemical reaction is the derivative of the extent of the reaction with respect to time, to measure the effect of concentration upon the rate of the reaction of peroxydisulfate ion with iodine ion; to determine the order of the reaction with respect to the reactant concentrations; and to obtain the rate law for the chemical reaction. Four reaction solutions are prepare as: 1 - Dilute 5 mL of 0. 2 M KI solution with 10 mL of distilled water in a test tube, add 3 drops of starch solut...
    Free research essays on topics related to: blue black, black color, higher temperature, chemical reaction, kinetic energy
  • Sodium Hydroxide Bunsen Burner
    1,009 words
    Experiments to Provide Evidence in a Prosecution Case with the Pervis Vinegar Company on Unknown Toxins The aim of this experiment is to preform tests on two samples of vinegar, one that is commercially safe and the other not (from the Pervis Company) to determine the unknown toxin contained in the Pervis Vinegar. Materials: Numerous Beakers/Conical Flasks Phenolphthalein Indicator Burette Numerous Test Tubes Sticky Tape Test Tube Rack Sodium Hydroxide (NaOH) Calculator Sample of Commercially Sa...
    Free research essays on topics related to: test tubes, heavy metal, bunsen burner, sodium hydroxide, universal indicator
  • Concentration And Reaction Rate
    1,776 words
    ter> How concentration affects reaction rate. The aim of this investigation is to see how the concentration of a reactant in ratio to the reactor affects the rate of a reaction. When hydrochloric acid and Thiosulphate react together sulphur is liberated this means that as the reaction goes on the solution will become yellow and will change from being transparent to translucent to opaque. The sulphur is formed as a solid but not in the usual precipitation way. Na 2 + S 2 + 2 HCL 2 NaCl+...
    Free research essays on topics related to: reaction rate, activation energy, hydrogen peroxide, rate of reaction, measuring cylinder
  • Chemistry Lab Concentration Effects On Rate Of Reaction
    1,070 words
    Aim: The aim of this investigation is to investigate the rate of reaction of magnesium (mg) with Hydrochloric acid (HCl). After studying the availability of equipment I have chosen to investigate how concentration can affect the rate of reaction. Other variables that affect this investigation are: - Concentration of solution - Temperature - Surface area of a solid - Catalyst - Light - Pressure of a gas Prediction: I predict that when changing the concentration of hydrochloric acid and water, the...
    Free research essays on topics related to: hydrochloric acid, test tube, kinetic energy, measuring cylinder, average time
  • Test Tubes Cell Membranes
    1,411 words
    Chemical Stress On The Tonoplast Of Beta Chemical Stress On The Tonoplast Of Beta Vulgaris Taproot Cells. Abstract This is an experiment on how chemical stress effects cell membranes, specifically the tono plast of Beta vulgaris taproot cells. This experiment involved the treatment of the aforesaid cells with different concentrations of an acetone solution, and testing the resulting solution for absorbance of light by beta cyanine, using a spectrophotometer. It had been hypothesized that the hig...
    Free research essays on topics related to: cell membranes, test tubes, figure 1, five minutes, ref 1
  • Bunsen Burner Hydrochloric Acid
    762 words
    The Problem: I am going to find out how temperature can affect the rate of reaction. Background information: Factors that change the rates of reactions are: ? Temperature? an increase in temperature will make the reaction occur faster. This happens because the particles of that substance move faster when it is heated. Because the particles move faster, they would collide more, making the reaction rate faster. ? Concentration? the increase in concentration, the greater and faster the reaction. Th...
    Free research essays on topics related to: bunsen burner, hydrochloric acid, measuring cylinder, move faster, distilled water
  • 20 G 5 Ml
    370 words
    Vlad Shvorin FCAs 10 / 15 / 01 1. Use of Scientific Terms 2. Use of significant figures. 3. Content The purpose of this lab is to find the difference between pennies made before and after 1982. This lab includes seven steps, they re listed below Using a balance, determine the mass of 20 pre- 1982 pennies. 2) Repeat Step 1, except use 20 post- 1982 pennies this time. 3) Pour 50 ml of water into a graduated cylinder and put the pre- 1982 pennies in. Find the volume of pennies and do it twice more ...
    Free research essays on topics related to: 1982, 20 g, 5 ml, pennies, pre
  • Needles And Syringes Scar Tissue
    2,336 words
    Injection Techniques, Part 1 INJECTING STEROIDS There is much debate surrounding the question of whether injectable steroids are more or less effective and safe than oral steroids. It is suggested that the oral steroids, which have a special 17 -? alkyl ated chemical structure making them active orally and more difficult for the liver to break down, may be more toxic to the liver. In addition, these oral steroids are subject to first pass metabolism meaning the liver is exposed to the drug at it...
    Free research essays on topics related to: injection site, chronic hepatitis, scar tissue, needles and syringes, soft drink
  • 6 M K 2
    229 words
    Qualitative Analysis of Group IV Ions The composition of my unknown #J 10 is Barium, Calcium, and Sodium. Confirmation of Ba 2 +: After I added. 5 mL of 6 M acetic acid to the precipitate from step # 2 the solid dissolved. A yellow precipitate formed after adding 1 mL of water, 2 drops of 6 M NH 3, and. 5 mL 0 f 1 M K 2 CrO 4. This confirmed the presence of barium. Confirmation of Ca 2 +: I added 6 M sodium hydroxide to the orange solution from step three until it was basic (solution turned yell...
    Free research essays on topics related to: flame, 5 ml, yellow, 6 m, k 2

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