disappearance of substrate (in this case‚ H2O2) • measuring the pressure of the product as it appears (in this case‚ O2). In this experiment‚ you will measure the rate of enzyme activity under various conditions‚ such as different enzyme concentrations‚ pH values‚ and temperatures. It is possible to measure the concentration of oxygen gas formed as H2O2 is destroyed using an O2 Gas Sensor. If a plot is made‚ it may appear similar to the graph shown. At the start of the reaction‚ there is no product‚ and
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solid acid. The equivalent mass of the solid acid will be determined from the volume of sodium hydroxide added at the equivalence point. The equilibrium constant‚ Ks‚ of the solid acid will be calculated from the titration curve obtained by plotting the pH of the solution versus the volume of sodium hydroxide added. III.Background Information: Volumetric analysis is the use of volume measurements to analyze an unknown; a method of this is titration. Titration is most often used to analyze the amount
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the effects of concentration‚ temperature and pH on the functionality of the enzyme catalase. The enzyme lab was also about measuring reactions by capturing the oxygen that was generated by the reaction. Materials and Methods: Experiment 1‚ 2‚ & 3 Experiment 1 examined the effects of concentration on catalase activity. Experiment 2 examined the effects of concentration in temperature on catalase activity Experiment 3 examined the effects of pH on catalase activity The eudiometer was filled
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electron. These are the three subatomic particles that make up an atom and their characteristics. Essay- Buffer System Buffers resist pH fluctuations. A buffer is composed of a weak acid and a weak base. Carbonic acid is the weak acid and bicarbonate is the weak base. When a solution is to acidic the pH is low and there are to many hydrogen ions. The low pH level is caused by to many hydrogen ions. To make a solution neutral you would need to make more acid my combining bicarbonate and hydrogen
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problem of potentially hazardous chemicals. In addition‚ the impacts of pH‚ salinity‚ sodium‚ phoshphorus and sulphur are not addressed in advertising. Moreover‚ most product labels do not state the ingredients meaning that purchasers can never be sure what is actually in the product. Considering these issues‚ this project has been set out to analyse the effect of the greywater irrigation by addressing several factors such as the pH‚ salinity‚ electrical conductivity‚ hydraulic conductivity‚ surface
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microbes before exposed to gastric juices Mouth Tongue Used more by cattle and goats (also use lips) Teeth No upper incisors Used more by sheep (use lips to “sort” feed) Saliva Continual production Cattle: 12 gal/d vs Sheep: 2 gal/d No enzymes; High pH Esophagus No sphincter valve Opens into reticulum and rumen Muscle contractions move in both directions Stomach compartments Reticulum Rumen Omasum Abomasum A higher proportion of a ruminant’s digestive system is stomach Reticulum characteristics
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solution Lactic acid is a strong acid Base Molecule that is capable of combining with H+ Bicarbonate (HCO3-) is a strong base pH Expression of H+ solution in solution Negative logarithm of H+ concentration pH = -log10[H+] pH of pure water pH (pure water) = -log10[H+] = 7.0 pH of Blood Normal pH = 7.4 ± 0.05 Acidosis pH < 7.4 Alkalosis pH > 7.4 Abnormal pH can disrupt normal body function and affect performance Survival range: 6.8 – 7.8 Conditions and Diseases That Promote Metabolic
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Table of Content1.Introduction...................................................................................32.Fieldwork Methods.......................................................................43.Individual Sites Descriptions and Analysis...................................7Location 1.............................................................................7Location 2.............................................................................9Location 3.............................
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contained in rock which is exposed to air and water. The major components of ARD formation are reactive sulfide minerals‚ oxygen‚ and water. Biological activity and reactions is what is responsible for the production of ARD. These reactions make low pH water that has the ability to mobilize heavy metals contained in geological materials with which it comes in contact. "ARD causes a devastating impact on the quality of the ground or surface water it discharges to. (Ellison & Hutchison)" ACID MINE
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properties of alkalis * Have a soapy feel * Bitter taste * In solution‚ good conductors of electricity * Turns red litmus blue Acid | Base | Neutral | - HCl-lining of stomach‚ cleaning metals‚ cleaning bricks‚ neutralising bases‚ pH maintenance in swimming pools- Acetic acid (CH3COOH) (systematic name ethanoic acid). Vinegar‚ made from oxidation of ethanol in wine. Used to flavour and preserve food- Citric acid (C6H8O7) – citrus fruit. Used as a food additive (for flavour and as
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