The liquid in which was absorbed is then separately kept in one of the open spaces. The liquid bubbles stay intact‚ are pulled upwards‚ resulting in intermolecular attraction. This attraction is stronger than the gravitational pull on the liquid. However‚ the liquid will stop rising when the intermolecular attraction is equal to the weight of the water in the paper towel. The oxygen atom in a water molecule had a small negative charge and the hydrogen atom has a small
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Tuskegee Syphilis experiment is the most infamous clinical study conducted in the United States between 1932 -1972. The study of natural progression of untreated syphilis in rural Africa American men‚ led to a forty year study which was controversial for reasons related to ethical standards; researchers knowingly failed to treat patients after the 1940s validation of penicillin. The patients with syphilis were never told they had it‚ were part of a case study‚ could leave the experiment at any given
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If one goes out before we wake up‚ we will get two more of the same type of battery and watch it during the day. Variables Our variable is the different brand of batteries. The controlled condition is the same type of flashlights. Results Our experiment showed that Rayovac outlasted all of the other batteries we tested by at more than two hours. The Eveready battery‚ which is a regular‚ non-alkaline battery‚ lasted only 6 hours and 35 minutes. The Duracell lasted 15 hours. The Energizer lasted
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Purpose This experiment shows how different concentrations of acids and bases in a solution affect its pH level. When acids and bases are combined in a solution‚ they neutralize each other. This means that depending on the concentration of both acids and bases in a solution‚ the pH will vary. A neutral pH level is 7; anything below that level is known as an acidic solution‚ while anything above is known as a basic solution. To find out the pH‚ the solutions will be diluted and tested with different
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On Free Choice of the Will By Saint Augustine Questions to be addressed: Would a good God let bad things happen? Why does man choose to do evil? For many people‚ nothing drives them away from Religion like pushy‚ preachy people. I don’t feel that I am knowledgeable enough to argue many points when it comes to religion. I’m actually not a huge fan of organized religion myself. Like most things‚ it has its good and bad points‚ but overall‚ anything that brings people to God is great. However‚ you
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Kevin Doherty Experimenting with Plant Growth Team Rocket Science Introduction: The purpose of the experiment was to establish whether the concentration of Schultz fertilizer that was added to the radish seeds effects the speed of growth during the six-week time frame of the study. The major variables with this study are proficient communications among the team‚ the seeds‚ soil‚ water concentration‚ fertilizer‚ light exposure‚ temperature of the room‚ consistency of following watering (watering
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DOE - Design of Experiment DOE is an approach used to identify factors/steps that are contributing most to an observed variation in product specifications. The classical DOE focuses on identifying the factors that affect the level of a product/process response‚ examining the response and forming the mathematical prediction model. The modern DOE‚ introduced by Genichi Taguchi in early 1980s‚ applies in both product and process development to identify the factors that affect the variability of the
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Objective 1. To demonstrate the relationship between the pressure and temperature of saturated steam in equilibrium with water. 2. To determine the vapour pressure curve. Introduction Properties of a fluid can change when heat and work are applied to it. There’s an interchange between the fluid and its surroundings when heat and work are applied according to the study of thermodynamics. Substances such as gases and vapors are often referred as P-V-T substances. Theory: An ideal gas
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The Journol of Liberrorion Sludies‚ Vol. V‚ No. 4 (Fall 1981) The Free Rider as a Basis for Government Intervention by E. C. Pasour‚ Jr.* Department of Economics and Business‚ North Carolina State University The "free rider problem‚" arising from the fact that an individual may be able to obtain the benefits of a good without contributing to the cost‚ is discussed in a number of different contexts. In the case of a "public good" where the provider cannot exclude‚ a good which others provide for
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KF 1(a) SOLUBILITY OF AN SALT BY TITRATION Date : __________________________ Name : _____________________________________________________ Matric no. : __________________________ 1. Objective(s) of Experiment To measure the change in solubility product of potassium periodate (KIO4)‚ when an inert salt (NaNO3) is added to the solution. 2. Why important to determine solubility? The solubility product expression can be used for predicting whether or not precipitation will occur
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