Paul M. Nannery 4006529 Respiratory Acidosis and Alkalosis Activity 1: Normal Breathing 1. At 20 seconds‚ pH = 7.39 2. At 40 seconds‚ pH = 7.39 3. At 60 seconds‚ pH = 7.39 4. Did the pH level of the blood change at all during normal breathing? If so‚ how? The PH level did not change at all. 5. Was the pH level always within the “normal” range for the human body? The PH Level was always within the normal level 6. Did the PCO2 level change during the course of normal breathing? If
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suitable reference electrode and a sensitive potentiometer (a pH meter) may be advantageous. THEORY Any acid-base titration may be conducted potentiometrically. Two electrodes‚ after calibration [to relate potential in millivolts (mV) to a pH value] are immersed in a solution of the analyte. One is an indicator electrode‚ selective for H3O+ and the other a stable reference electrode. The potential difference‚ which after calibration is pH‚ is measured after the successive addition of known increments
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Controls E-111/112‚ Electronic Zone‚ G.I.D.C. EstateGandhinagarGujarat Ph-079-23229105Fx-079-23229105 Mr. Shantilal D Joshi Access Computech Pvt. Ltd. 504 / 6 G.I.D.C. Industrial EstateVadodaraGujarat Ph-0265-2643307‚ 2642978Fx-0265-2633268 Mr. Vijay Kumar Accord Instruments A-18‚ Sector 25GandhinagarGujarat Ph-079-229574Fx-- Mr. Minin Pandit Accuflow Controls Pvt. Ltd. Plot. No. 97/ B‚ Phase - I G.I.D.C. EstateAhmedabadGujarat Ph-079-25893792‚25832578‚26862841‚Fx-079-25834392 Mr. Gunvant V. Kapadia
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Activity from pH and Concentration Abstract Enzymes are the key to many of the chemical reactions that our bodies depend on to live. Without enzymes‚ we would not exist. These biological catalysts speed up the reactions as well as reduce the amount of activation energy needed to complete the process. Knowing how important enzymes are to us‚ it is important to realize what they require to function. They need select conditions and rates to work right. These conditions can range from what level of pH to use
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various indicators to determine the pH of acetone Equipment: Test tubes‚ test tube rack‚ acetone‚ various indicators‚ tweezers Procedure: 1. Fill each test tube with a few drops of acetone 2. Put 2 drops of an indicator into 1 of the test tubes 3. Record color change 4. Determine the pH range based on the color change using Table M and record data 5. Repeat for each indicator 6. To test litmus‚ dip red and blue litmus into acetone and determine pH based on color change Data: |Indicator
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100M Tris buffer‚ the calculated amount of ingredients brought the solution to a pH of 7.0‚ but the desired pH was 7.50. Discrepancies between the theoretically calculated amounts and the actual measured amounts of ingredients are likely to be the biggest source of error. Dilution affected our 0.0100M Tris buffer by decreasing its pH. The buffer was originally set to a pH of 7.48‚ but the pH gradually moved down by a pH unit of about 0.1 after each dilution. This is agrees very well with what we expected
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Tutorial 1 1. pK = 3.4 DH = ASA Plasma pH = 7.3 Stomach pH = 1.5 = 10pH – pK = 10pH – pK = 107.3 – 3.4 = 101.5 – 3.4 = 7943.2823 = 0.01259 [Total Drug] = [D-] + [DH] [Total Drug] = [D-] + [DH] = 7943.2823 + 1 = 0.0126 + 1 = 7944.2823 = 1.0126 [Total Drug] in stomach relative to plasma = 7944.2823/1.0126 = 7845.43 Conclusion: High absorption of ASA from the stomach lumen. Absorption from stomach is 7845.43 times
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phosphate solution using a pH meter and construct a titration curve of an amino acid to determine the pka values of its ionisable groups to identitfy an unknown amino acid. Method: The ratio of [HPO42-] to [H2PO4-] required to produce buffer solutions at pH values 5.9‚ 6.9 and 7.9 were calculated. 0.1M of H2PO4- and 0.1M HPO42- were used to mix appropriate volumes to 25mL of each of the buffer solutions. The calibrated pH meter was used to measure and record the pH of each buffer solution and
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and NaOH and monitoring the pH change of the various solutions. The data collected shows that the buffer systems made with sodium acetate and acetic acid were effect when titrated with the strong acid and the strong base. Comparison of all the solutions shows that the concepts of buffers holds true for the results from the experimentation. Introduction The main objective of this lab was to test the ability of buffered and unbuffered solutions to resist changes in pH with the addition of strong
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! Affect of pH on Porcine Pancreatic Alpha-Amylase Activity Introduction Proteins function in a variety of different ways‚ and one of their fundamental tasks is to act as enzymes. Enzymes are extremely important in controlling reaction speed (by initiating and regulating biological activity)‚ cell communication‚ and growth. One particularly significant enzyme is amylase‚ which catalyzes the hydrolysis of alpha glycosidic linkages of amylose‚ starch components‚ and other oligosaccharides (Qian
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