PH

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  • Research on the Effects of Various Beverages on the pH of Saliva

    1978 Words  | 8 Pages

    but when you abbreviate it, it comes out to be better known as pH. Potential Hydrogen (pH) is the measure of any solutions hydrogen-ion concentration. The range for pH is generally from zero to fourteen, with seven being neutral. If you measure any solution, if it is lower than the neutral amount of seven than that would be considered as it being more acidic and having less oxygen in its fluid but if it is higher than seven on the pH reading it will be considered as being oxygen rich and contains

  • How pH Level Affects Corrosion Rate

    2550 Words  | 11 Pages

    purpose of this project was to discover how the pH level affects corrosion rate. The hypothesis was if the pH level affects the corrosion rate, then the lower the pH level is quicker the corrosion rate would be. This will happen because liquids below the pH level of 7 possess stronger acidic attributes. The effect of pH level on corrosion rate was determined by depositing a copper penny in each of three plastic cups, and then three different liquids by their pH levels, were assigned to be displaced into

  • Ph Buffers And Determination Of PKA For A Weak Acid

    1041 Words  | 5 Pages

    Practical 3 – pH, Buffers and Determination of pKA for a Weak Acid. Introduction This experiment was designed to test the pH changes of a weak acid, acetic acid, when it is titrated with a strong base, NaOH. We conducted this experiment so that we could obtain a pH titration curve and from this, we can correlate and signify the relationships between pH, pKA, and the ratios between the acetic acid and NaOH. This practical was key to developing our understanding of buffers and how they accept and

  • A Brief Note On Raising And Lowering Ph

    839 Words  | 4 Pages

    Chemistry ERT Pool Chemistry. Yaza George Raising and lowering pH Adding an acid to the pool water reduces the pH. If the Total alkalinity of the pool water is within the recommended parameters of 80 - 120ppm, pH reducer should be added according to the instructions on the container. The acid should usually be added to water and mixed before dosing the pool. The pump should be running when the acid is slowly distributed around the pool. Low pH in swimming pool water may cause one or more of these problems:

  • Ph Levels Lab Report Essay

    871 Words  | 4 Pages

    The relatively close pH levels of Tap Water, Spring Water, Flavored Water, and Seltzer Water. Introduction This experiment was performed to investigate the following hypothesis: The following four different types of drinking water (spring water, seltzer water, tap water, and flavored water) we test will relatively have the same pH level. Our group decided to test different types of drinking water to see if a pH level of tap water is comparable to other types of water. Many people believe

  • Investigating How Ph Affects The Yeast Fermentation Rate

    1883 Words  | 8 Pages

    Abstract PH can affect the way fermentation occurs due to the irregularity of the acidity or alkalinity within the glucose solution. This is an enzyme-based reaction that is susceptible to pH. The aim of this experiment was to determine how pH affects the yeast fermentation rate by performing the experiment numerous times with a different pH of glucose solution which included pH 3, 5, 7, 9, 11. The hypothesis was ‘If the pH is lower than the neutral point then the fermentation reaction will occur

  • How Does Caffeine Affect The Ph Of Decaffeinated Coffee?

    1942 Words  | 8 Pages

    Problem: How does caffeine affect the pH of decaffeinated coffee? Hypothesis: The caffeine will increase the pH of the decaffeinated coffee. Research: Caffeine is an alkaloid that is found naturally in things such as nuts, leaves, and seeds. Caffeine is also known as 1,3,7-Trimethylxanthine, Thein, Methylbromine, Guaranine, Cafeina, Coffeinum N, Coffeinum Purrum, Dexitax, and Durvitan. The molecular weight of caffeine is 194.194 g/mol. The chemical formula for caffeine is C8H10N4O2. Caffeine

  • Investigating The Effect Of Ph And Enzyme Concentration On Catecholase Activity

    1894 Words  | 8 Pages

    students to observe the effects of pH and enzyme concentration on catecholase activity. Enzymes are organic catalysts that can affect the rate of a chemical reaction depending on the pH level and the concentration of the enzyme. As pH comes closer to a neutral pH the enzyme is at its greatest effectiveness. Also at the absorbance of a slope of 0.0122 the enzyme is affected greatly. The pH effect on enzymes can be tested by trying each pH level with a pH buffer of the same pH as labeled as the test tube

  • Determining Optimal Ph For Tyrosinase Catechol Reaction Rates

    1011 Words  | 5 Pages

    Determining Optimal pH for Tyrosinase-Catechol Reaction Rates Department of Biology, Swarthmore College Abstract The environmental conditions in which an enzyme is in heavily influence the rate at which it catalyzes reactions. Tyrosinase is an enzyme common in animals and plants, and is responsible for the pigmentation of skin and browning in plants. We measured the enzymatic reaction rate of tyrosinase in pH of 4,6 and 8 by assaying catechol’s transformation into ortho-quinone and used a spectrometer

  • The Effect Of Temperature And Ph On The Enzyme Activity Of Catechol Oxidase

    2000 Words  | 8 Pages

    The Impact of Temperature and pH on the Enzyme Activity of Catechol Oxidase in Solanum Tuberosum Samples Abstract The role of an enzyme is to catalyse reactions within a cell. The enzyme present in a potato (Solanum Tuberosum) is catechol oxidase. In this experiment, the enzyme activity was tested under different temperature and pH conditions. The objective of this experiment was to determine the ideal conditions under which catechol oxidase catalyses reactions. In order to do this, catechol was