researcher is conducting this experiment to find the optimum temperature and pH for starch on amylase. The experiment was carried out in one day. The researcher and a partner did the experiment based on a lab manuel from class. Data was collected from the experiment and to be displayed on graphs. Then the optimum pH and temperatures were to be calculated based on the findings. The hypothesis was disproved due to the optimum pH of 5 but the other findings supported the hypothesis of the optimal temperature
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3 Title: Effect of dissolved Carbon Dioxide on the pH of Water Aim: To investigate the effect of dissolved carbon dioxide on the pH of water. Hypothesis: The dissolved carbon dioxide will cause the water to turn acid‚ lowering the pH when carbon dioxide dissolves in water in which it forms carbonic acid (H2CO3). Materials: Straws‚ distilled water‚ safety glasses‚ pH probe‚ computer‚ universal indicator‚ gloves‚ lab coats‚ measuring cylinder‚ data logger‚ printer‚ pH chart.
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Resistance to change can be difficult to overcome even when it is not detrimental to those concerned. But the attempt must be made. The first step is to analyze the potential impact of change by considering how it will affect people in their jobs. The analysis should indicate which aspects of the proposed change may be supported generally or by specified individuals and which aspects may be resisted. So far as possible‚ the potentially hostile or negative reactions of people should be identified
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The Effect of Soil pH on the Living Conditions In Lumbricus terrestris Abstract The difference in soil pH weighs a heavy measure on the appearance of the earthworm Lumbricus terrestris in different areas of soil. A highly acidic or highly alkaline soil may be the underlying reason for the absence of this earthworm in certain areas where pH plays a large role. In this experiment‚ soil pH was altered with Miracida soil acidifier and Agricultural Limestonea soil correctional for acidic soil
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Peaceful resistance‚ as with all forms of protest‚ have both positive and negative effects on America’s concept of a “free society” but upon inspection‚ one can see that in time‚ it is positive. Forms of peaceful resistance can range from a conscientious objection to a law in the form of protesting‚ to simply writing a representative to express one’s opinion on a law. Each of these are opportunities for citizens to exhibit their constitutional rights to organize‚ free speech‚ and perform their civic
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September 10th‚ 2013 EXPERIMENT 1 LEARNING BASIC OPERATIONS: THE EFFECT OF PH ON A FOOD PRESERVATIVE Purpose: The purpose of this experiment was to investigate a competitor’s claim that the food preservative‚ sodium benzoate (C6H5COONa)‚ made by Fresh Foods International (FFI)‚ changed into a new substance in stomach acid. Stomach acid has a pH between 1 and 3 due to the hydrochloric acid content. Based on the net equation given in the book as well as the solubility of the product our hypothesis
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Managing diversity using a strategic planned change approach Earnest Friday Management in the College of Business Administration‚ Florida International University‚ Miami‚ Florida‚ USA‚ and Managing diversity 863 Received October 2002 Revised February 2003 Accepted February 2003 Shawnta S. Friday School of Business and Industry at Florida A&M University‚ Tallahassee‚ Florida‚ USA Keywords Diversity management‚ Strategic management‚ Change management Abstract Many organizations have implemented
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Investigating pH Aim: To demonstrate dissolved carbon dioxide changing the ph level of substances. Materials: * 2 beakers * 2 straws * Stop watch * Distilled water * Lime water * Litmus Paper Method: 1. Pour 100ml of Distilled water into the first beaker‚ and label said beaker. 2. Pour 100ml of Lime water into the second‚ also Label beaker. 3. Test the two liquids with litmus paper and note the ph level‚ before any carbon dioxide has been introduced. 4. Place a straw
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Lab 1: Effect of pH on sodium benzoate‚ a food preservative Sheikh M Zakaria Person no. 36295651 TA: Synthia Gratia Date of Submission: 05/29/13 Abstract Sodium Benzoate is a common food preservative used in food products such as jams and jellies‚ soft drinks‚ pickles‚ condiments etc and in tinned products in the market. This experiment aimed to determine whether benzoic acid is formed from it’s superior soluble form sodium benzoate in stomach acid‚ which is simulated by HCl (pH=2). It has
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Taylor Tomczak POLS 301 20 May 2013 Change & Proposed Solutions I began to take interest in the Child Protective Service procedures because of all the neglect I have seen in the news‚ mainly the Jaycee Dugard ordeal. Another recent Child Protective Service blunder was the case of Ariel Castro‚ who abducted three girls ten years ago. It’s baffling to me that Child Protective Service case workers can visit a residence and not completely investigate the situation. There have been many circumstances
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