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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Melanie McGivern. Access to nursing Group 2 Effects of pH on enzyme activity Contents Front cover Aim Introduction Hypothesis Prediction Variables Materials Methods Results Discussion Conclusion Bibliography Aim The aim of the experiment is to see the enzyme amylase catalyse starch in a chemical reaction. | | Introduction Enzymes are proteins. They act as catalysts‚ allowing chemical reactions to take
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I have been asked to discuss the possible changes to income that might happen over an adult life course and how such income patterns can affect financial planning for both families and individuals. Over the course of a person’s life they will go through certain changes‚ from being a youth through adolescence and becoming an adult. The thing with the life course is that everyone doesn’t follow the same pattern. Everyone is pretty much guaranteed to grow old as its basic biology but everyone is not
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Honors Biology January 13 – 17‚ 2014 day do in class complete as homework 13 _ continue lab: Investigating Osmosis _ determine molarity of unknown solutions _ plot % change in mass by sucrose molarity _ use a best-fit line to determine the molarity of a russet potato _ write discussion of results · use CER · use vocabulary appropriately! _ due on January 15th _ pick up copy of graphic organizer: the Cell Cycle _ write NEWS assignment _ due tomorrow
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Documents should be based on the attached MacVille template and based on MS Word‚ which incorporate the MacVille Publishing Logos. Directory path \department name\project name (for example‚ \Administration\ New_Employee) File Name \as above\document version or number\date (for example‚ \Administration\New_Employee\v1.0\jan_2014) Extension Do not include any extension (.doc‚ .dot‚ .xls). Allow the type of package used to determine this. Margins Top 2.54 cm Bottom 2.54 cm Right 2.54 cm Left 2
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Peter Agre’s Discovery Figure Page Figure 1: Figure 2: Upon deciding a topic for an ideal Nobel laureate‚ I had to meet two criteria I decided for myself. Aside from the topic having to be science related‚ I decided that the laureate could not be well know‚ such as Watson or Einstein‚ and also it should be a science topic that I have found the most intriguing since entering college which happens to be the human body. Even with such a broad topic as the human body I came across a laureate
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The Effects of pH on Slime Mold Dg Nicole Harris BIOL181 – 059 1 December 2011 The theory that slime mold is attracted to acidic solutions was examined by the slime mold‚ Dg. Dg’s preference of pH was examined by using a variety of pH solutions in a petri dish. The data suggests that the growth of fruiting bodies observed in pH 9 was comparable to that of pH 4. INTRODUCTION The 2002 scientific journal‚ “The Costs and Benefits
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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. We measured
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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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liquid with a low ph level compared to those with a high ph level affect the appearance of tooth enamel? First you have to understand what a ph level is‚ how it affects tooth enamel‚ and what’s tooth enamel. The purpose of the experiment is to investigate how liquids with different ph levels affect tooth enamel. By studying the effects of alkaline or acidic liquids‚ I will be able to determine which liquids are more harmful or beneficial to dental health. In the end‚ knowing how pH levels affect dental
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