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Free research essays on topics related to: 10 ml

9 results found, view free essays on page:

  • 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
  • Test Tube Water Bath
    622 words
    Purpose: To investigate the effect of temperature on the fermentation of glucose by bakers yeast. Hypothesis: If to separate tubes of 20 % glucose solution with 1 mil of yeast is added to battery jars filled with 20 and 38 c water then the warmer one will cause the yeast to ferment at a quicker rate. Materials: - 2 test tubes (100 mm. Long x 11 mm. I. D. ) - 2 ones-hole stoppers (size 00 w/ 3 mm. Hole) -Glucose -Bakers yeast suspension -Balance -Molding clay -Submersible test tube racks -Pins -M...
    Free research essays on topics related to: test tube, water bath, three minutes, warm water, degrees c
  • 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
  • H 2 O 2 O 2
    828 words
    Purpose - The purpose of this lab is to use a chemical titration to measure and them calculate the rate of conversion of hydrogen peroxide (H 2 O 2) to water and oxygen gas using the enzyme catalase. Hypothesis - The rate of enzymatically-catalyzed reactions can be determined by taking time reactions at different time intervals. When the rates are plotted on a graph, the rate of the reaction is the slope of the linear portion of the curve. To determine a rate, any two points on the straight-line...
    Free research essays on topics related to: hydrogen peroxide, reaction rate, 2 o 2, h 2 o, test tube
  • Health Care Providers Companys Success
    1,804 words
    RISK MANAGEMENT PAPER One of the outcomes of the changes affecting the health care industry is an increased demand for accountability. Health care providers are being called upon to demonstrate that they provide quality services, use resources wisely, and produce reasonable and predictable outcomes. The pressure for increased accountability comes from a variety of sources. Individual health care providers are responsible for providing evidence which demonstrates that they are able to and consist...
    Free research essays on topics related to: companys success, leadership qualities, health care providers, critical incident, blood sugar
  • Bunsen Burner Degrees Celsius
    1,031 words
    Aim: Dunder Experiments Experiment 1. Aim: To find the PH of Dunder. Materials: -Crucible -Filtrated Dunder -Universal Indicator -Eyedropper Method: A small amount of filtrated Dunder is placed in the Crucible. A few drops of Universal Indicator are then dropped onto the Dunder with the Eyedropper. The mixture will then change to colour corresponding to the Dunder's PH. Results: In this Experiment the PH of the Dunder came up as 4. This showed that Dunder is considerably acidic. Experiment 2. Ai...
    Free research essays on topics related to: universal indicator, degrees celsius, room temperature, bunsen burner, boiling point
  • M L Color Change
    774 words
    EDTA Titration as an Analytical Method for Environmental Concerns Introduction: A growing concern among environmentalists and biologist is the demise of the bird population caused by pesticides such as DDT. Such pesticides are thought to metabolically cause a reduction in the calcium content of the hen s eggshell. Since calcium is an important component in keeping these shells thick and strong, a lack of this essential element can result in brittle fragile eggs. In this experiment, the analyst w...
    Free research essays on topics related to: calcium, 10 ml, m l, color change, sample
  • 5 Th Grade 10 Ml
    868 words
    How Sun Light Effects Growth of Morning Glories Description of Morning Glory s (background) The Morning Glory (Ipomoea purpurea) family is Convolvulaceae, it contains 1200 species of herbaceous plants. Morning Glories are an outdoor plant. They received their name by their growth. They bloom for only one single average morning. I chose the Heavenly Blue species. They were discovered in the 1920 s by a home gardener. They are 4 - 5 across with creamy white throats contrasting with a heart shaped ...
    Free research essays on topics related to: soil, exposed, 5 th grade, 10 ml, sunlight
  • 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

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