"The effect of increasing the concentration of dettol antiseptic liquid on the growth of e coli" Essays and Research Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays
Page 9 of 50 - About 500 Essays
  • Better Essays

    OBJECTIVE: The experiment was carried out to investigate the effects of the increase in the enzyme concentration on the rate of reaction. By using self investigative and experimental skills‚ the experiment was done in order to determine how the rate of reaction will be altered‚ whether it will increase‚ decrease or remain constant when the different concentration of enzymes added. INTRODUCTION: Enzymes are produced naturally in plant‚ animal‚ and microbial cell. There are thousands of different

    Premium PH Oxygen Buffer solution

    • 2632 Words
    • 11 Pages
    Better Essays
  • Good Essays

    RESULTS AND DISCUSSION REPORT—EXPERIMENT 3 (CHEMICAL KINETICS) CALCULATIONS Effect of Concentration on Reaction Rate [S2O32-]initand [H+]init for each run‚ knowing the original concentrations and volumes of [S2O32-]‚ [H+]‚ and water used. [S2O32-]init= __(M[S2O32-])(V[S2O32-])__ [H+]init= _____(M[H+])(V[H+])____ V[S2O32-]+V[H+]+V[water] V[H+]+V[S2O32-]+V[water] Run 1 [S2O32-]init= (0.15 M)(10 mL) (10+3+2)mL = 0.1 M [H+]init= (3 M)(2

    Premium Reaction rate Chemical kinetics Rate equation

    • 812 Words
    • 4 Pages
    Good Essays
  • Good Essays

    Liquid-Liquid Extraction

    • 645 Words
    • 3 Pages

    Experiment 3 Liquid-Liquid Extraction Discussion The success of extracting each compound out of the solution can be seen in the IR graphs for each substance. For ethyl 4-aminobenzoate‚ the N-H‚ C=O and C-O are distinguishable in their proper wavenumber positions. The amino N-H stretch was found between 3224 cm-1 and 3423 cm-1. The C=O was found at 1681 cm-1 and the C-O was at 1280 cm-1. The IR for benzoic acid also displays its significant bonds‚ O-H and C=O. The O-H was between 2566 and

    Premium Solubility Chemistry

    • 645 Words
    • 3 Pages
    Good Essays
  • Good Essays

    Dasean Matheson 11/25/13 APES Ms. Sarameinto Population is the largest increasing factor in our world. This factor is the cause of many events in our world. Poverty hunger and war are just some of the immediate effects of increasing population. Among these extreme causes the less immediate events will be seen with air pollution‚ land degradation‚ which is the effect that’ll have the longest term effect on the world. But how can these events are avoided? Is there any hope of stopping this

    Premium Air pollution Oxygen United States Environmental Protection Agency

    • 2189 Words
    • 9 Pages
    Good Essays
  • Powerful Essays

    discuss the current size of the population‚ how does it effect the economic development‚ the impact on the standard of living and also focus on population growth as the contemporary concern by highlighting the past and present trends. However other arguments will be presented‚ such as theories that support the fact that population growth has an impact in economic development. According to Weeks‚ J (1999:13) the rapid acceleration in growth after 1950 was due almost entirely to the declines in the

    Free Demography World population Population

    • 2937 Words
    • 12 Pages
    Powerful Essays
  • Powerful Essays

    The Effects of Antibiotics on Bacterial Growth Biology II 1996 Bacteria are the most common and ancient microorganisms on earth. Most bacteria are microscopic‚ measuring 1 micron in length. However‚ colonies of bacteria grown in a laboratory petri dish can be seen with the unaided eye. There are many divisions and classifications of bacteria that assist in identifying them. The first two types of bacteria are archaebacteria and eubacteria. Both groups have common ancestors dating to more

    Premium Bacteria Antibiotic resistance Escherichia coli

    • 1355 Words
    • 6 Pages
    Powerful Essays
  • Better Essays

    Olivia Teasdale Mrs. Gaspar SBI3U1 10/07/13 The Effect of Disinfectants and Antiseptics on Bacteria Growth Abstract The purpose of this lab was to determine the effect of disinfectants and antiseptics on bacterial growth. By observing the effects of 5 different inhibitors including alcohol‚ bleach‚ soap solution and distilled water‚ it was determined what antiseptic or disinfectant was able to best inhibit this kind of bacterial growth. Nutrient Agar was poured into a Petri dish with four quadrants

    Premium Bacteria Microbiology Escherichia coli

    • 3110 Words
    • 13 Pages
    Better Essays
  • Good Essays

    Null hypothesis The concentration of sucrose in the soil will not affect the growth of the common wheat seeds. Alternative hypothesis The concentration of sucrose in the soil will affect by slowing down the growth of the common wheat (Triticum aestivum) seeds. The sucrose solution (sucrose mixed with water) added to the soil makes high concentration outside the common wheat cells and the common wheat cells become an area of low concentration. Because the osmosis is reversed‚ the

    Premium Genetically modified food Genetically modified organism DNA

    • 669 Words
    • 3 Pages
    Good Essays
  • Good Essays

    An inevitable consequence of economic growth is increasing inequality. Do you agree or disagree with the assertion? In the world we live in today‚ it is quite obvious to see that inequality is a growing consequence of economic growth. In this essay I will discuss how inequality affects states and the individuals living in the state. There are increased demands for educated workers; dependence of technology; privatization of markets; and the rise of capitalism which have led people to have drastic

    Premium Economic inequality United States Wealth

    • 1238 Words
    • 5 Pages
    Good Essays
  • Powerful Essays

    looking at this situation more closely. Doubling gas taxes will affect the stable base of rural communities. With an increase of gasoline prices‚ production prices will increase. The cost of goods increases as a result of transportation cost increasing. The effects will slowly increase up the ladder through consumer and in turn the greater economic sector internally as well as externally. This essay will demonstrate why doubling taxes on gasoline produce a negative chain reaction both in the Canadian

    Premium Gasoline Economics Economy

    • 3301 Words
    • 14 Pages
    Powerful Essays
Page 1 6 7 8 9 10 11 12 13 50