in regularity and severity of acid rain events‚ can be directly linked to large quantities of nitrogen oxides : · Formation of precipitation such as fog and snow‚ with a pH of below 5.6. · Effect on vegetation‚ in acid rain effected regions (see acid rain) · Effect on the low buffering fresh water waterways. · Acidic pH levels in soil. ·
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Transferred 5 drops from one of the 3 antacids and dropped them in the beaker with an eye dropper. • 2. Before mixing‚ used universal pH paper to test initial pH value of the antacid and recorded results. • 3. Dropped a single drop of phenolphthalein in beaker and mixed with stirring rod. • 4. Started adding HCL acid to mixture‚ mixing with stirring rod every 5 drops. • 5. Stopped when the mixture
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freezing the sample of hemolymph and the time that it takes to defrost depicts the amount of osmoles. Water analyses for the three tanks determined the temperature ºC‚ pH‚ salinity (ppt)‚ oxygen levels and the ammonia content. The temperatures of all three tanks were taken by a digital thermometer and the pH of the water was taken by a pH
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the subunit. ( Ahern & Rajagopal‚ 2013) Bohr Effect Hemoglobin has a high affinity for 02 at a high PH‚ low Co2. Hemoglobin has a lower affinity at a low PH‚ high Co2. At a high Co2‚ low PH hemoglobin is more stable in the T state which decreases its affinity for 02. Oxygen needs to be delivered to the tissues. Tissues have a low PH. Hemoglobin needs to release 02 at low PH. Low PH=low 02 saturation. ( Wolfe‚2000 ) Myoglobin: wants to store 02 for when tissues need it. Has a higher
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1. DescribethenormalrangesforpHandcarbondioxideintheblood. The normal pressure range for carbon dioxide in the blood is 35-45mmHg. The normal ph range for blood are between 7.35 and 7.45 2. Describe what happened to the pH and the carbon dioxide levels with hyperventilation. How well did the results compare with your prediction? The Ph increases and carbon dioxide decreases 3. Explainhowreturningtonormalbreathingafterhyperventilationdifferedfromhyperventilationwithoutreturningtonormal
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destroyed it will no longer speed up or slow down a reaction. 6. At what pH is the rate of enzyme activity the highest? Lowest? The rate of enzyme activity is highest when the pH buffer level is 11‚ which means it’s an acid. This acid causes the products to increase. The opposite goes with the pH buffer level is 3‚ which means it’s a base. The base neutralizes the base and actually causes a negative slope. 7. How does changing the pH
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CHAPTER ONE INTRODUCTION The student industrial work experience scheme (SIWES) provide the avenue for student in Engineering‚ Natural Science‚ Environment Studies etc. to know much about the course they are studying and give them the grace to know/see possible challenges they are to encounter after graduation. The attachment provides the opportunity for student in Polytechnic for at least four (4) month while student in University for at least (6) month industrial attachment which partially fulfils
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. AIM :. To Determine which Antacid could Neutralize the most Stomach Acid. (Chemistry Project) Project Prepared By: Name Class- Roll no. INDEX page no. Objective 3 Introduction 3 Acids 4 Stomach Acid
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Experiment ANALYSIS OF SODA ASH The CCLI Initiative Computers in Chemistry Laboratory Instruction LEARNING OBJECTIVES The objectives of this experiment are to . . . • understand the titration curve for a diprotic base. • use the titration curve to calculate the percent of Na2 CO3 in an unknown sample of soda ash. BACKGROUND Sodium carbonate is an important industrial chemical. It is used in the manufacture of soap‚ glass‚ paper and as a source of alkalinity‚ that is‚ as a
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Weekly iLab iLab: Exploring the Microbiology Lab Section 1 Lab Safety 1. There are four safety equipment items that a lab should have. Identify two of these four items. (2 pts) Biological Safety Cabinet‚ Eyewash and shower 2. Identify one of the three ways to keep your work area safe. (1 pt) Keep your workspace free of all unnecessary materials 3. There are five recommendations for dressing properly in a lab environment. Name two of these recommendations. (2 pt) Avoid loose
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