In 1792 James painted a portrait called‚ “A Voluptuary in the Horrors of Digestion.” A voluptuary is someone who overindulges in pleasurable things. In this painting it shows‚ a Prince sitting on a fancy chair after eating a large meal. This Prince will someday be King. In order to be a good king they must have the following things‚ he must be ambitious‚ honest‚ and good with money. For the following reasons this Prince is not ready to be King. First‚ the king must be ambitious. Being ambitious
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AN INSIGHT INTO THE WORLD OF CHANDIGARH The City Beautiful Chandigarh is a city and union territory in India that serves as the capital of two states‚ Punjab and Haryana . It is also referred to as The City Beautiful due to its beautiful surroundings‚ central grid of gardens‚ each dedicated to different species of flora. The city of Chandigarh was the first planned city in India and is known internationally for its architecture and urban design. The city has projects designed by architects
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Experiment 3: Soil pH measurement Introduction Aims The aims of the experiment were to determine the pH of a variety of soils which included sedentary‚ 3:2‚ sand‚ organic matter with the means of a pH meter at various soil water ratios and with or without calcium chloride. Method and Materials Samples of sedentary soil‚ 3:2 soil‚ sand‚ organic matter and compost‚ 100ml vials(x12)‚ bottle of distilled water‚ analytical balance‚ pH meter‚ 2 buffer solution of known pH‚ 0.25M calcium chloride
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3.0 Introduction The methodology involves five main steps; the collection of hair samples‚ the distribution of questionnaires‚ the washing of samples‚ the digestion of the samples‚ and the analysis of metal contents in the hair. 3.1 Materials and reagents used during the experiment The apparatus and chemicals that were used in the previously mentioned experimental steps are summarised in table 3.0. Steps Materials Reagents Collection of hair samples 1. Stainless Steel Scissors 2. Plastic bags
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Correlation between the chemical activity of Amylase and change in temperature ABSTRACT This experiment focuses on how the change of temperature affects the rate of reaction of amylase. In the experiment there were four different environments that each contained 2 test tubes. Each test tube consisted of the same concentration and amount of starch and amylase. After having each test tube placed in these environments for several minutes a droplets of each mixture was placed onto each slot which
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Determination of pH Almira‚ Faerie Carleen Lucile L. Gallardo‚ Charlotte O. Group #6‚ Chemistry 18.1‚ MHEG1‚ Ma’am Arlou Angeles September 23‚ 2013 I. Abstract The acidity of the four unknown solutions were determined with the use of colorimetry using McIlvaine’s buffer solutions varying in proportion of its constituents (disodium phosphate and citric acid). These buffer solutions were subjected to the addition of corresponding pH indicators and the variation of colors depending on its pH level was
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can reach a new pH level by interacting with soil. If water has a pH that is too high or too low‚ it can be life threatening to aquatic species and can corrode metal structures. After finding this out‚ I decided to test if water could reach an extreme pH just by interacting with soil around it. The question for this experiment therefore became the following. Will interaction with soil change the pH of water? I hypothesized that if water interacts with soil for three days‚ then the pH of the water will
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Title: pH and buffer solutions Aim This experiment was carried out to determine the role of buffer solution and the factor which affect the buffer capacity. Besides‚ this experiment was carried out to investigate the solubility of protein casein over a range of pH concentration. This experiment also was carried out to determine the isoelectric point of the casein and the effect of the isoelectric point toward the casein solution. Methods Verification of the Henderson-Hasselbalch equation
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SLII The effect of three different pH levels (4‚ 7‚ 10) on the rate of germination of spanish beans Research Question: What is the effect of three different pH levels (4‚ 7‚ 10) on the rate of germination of spanish beans? Independent Variable: The different pH levels in the water would be the independent variable in this lab. Three different pH levels were tested‚ 4‚ 7 and 10‚ both 4 and 10 were chosen because they are 3 pH levels away from 7 which would be the regular pH level of water
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II: Titration with a pH Meter 1. Fill the 50-milliliter buret with a 0.25 molar NaOH solution. 2. Record volume. 3. Measure out between 20 milliliters and 40 milliliters of the unknown HCl solution. This amount must be different than the amount used in part I. 4. Record volume. 5. The amount of unknown HCl is then added to the 100-milliliter Erlenmeyer flask. 6. Insert the pH meter into the Erlenmeyer flask and record the initial pH of the acid. Remember to record the pH of the solution after
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