Design lab for the rate of reaction between Mg and H2SO4 Introduction: Increasing the concentration (in moles) of H2SO4 will increase the rate of the reaction when a ribbon of Mg is added to the solution. The rate of the reaction all depends on how strong the concentration of the solution is. Research question: Does altering the concentration of H2SO4 increase the rate of reaction when a ribbon of Mg is mixed with the solution? Variables: Independent Variable: The concentration of the
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During all this‚ concentration camps were being made. A concentration camp is a place where large numbers of people‚ especially political prisoners or persecuted members of a minority‚ are imprisoned in a small area with inadequate facilities‚ sometimes to provide forced labor or to await mass execution. Many of these concentration camps later became death camps for Jews. One of the most infamous concentration camps was Auschwitz because it was the largest of all concentration camps. In these
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Concentration Camps in Vienna The Auschwitz concentration camp complex was the largest of its kind established by the Nazi regime. It included three main camps‚ all of which deployed incarcerated prisoners at forced labor. One of them also functioned for an extended period as a killing center. The camps were located approximately 37 miles west of Krakow‚ near the prewar German-Polish border in Upper Silesia‚ an area that Nazi Germany annexed in 1939 after invading and conquering Poland. The SS authorities
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The Domino Effect 9-26-01 Abstract: In this experiment dominos were used to investigate how distance‚ time‚ and average speed is interrelated by maximizing the speed of falling dominoes. This was done by lining up 28 dominos up against a meter stick 0.5 cm‚ 1.0 cm‚ 1.5 cm‚ 2.0 cm‚ and 2.5 cm away from each other. Before the experiment the average width of a domino was taken. At the beginning of each of these 5 trials the dominos were lined up against the meter stick. The lengths of all the dominoes
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Thursday‚ November 15th‚ 2012 The Effect of Walking‚ Skipping‚ and Running on the Heart Rate Due Date: Friday‚ November 23rd‚ 2012 Question: What is the effect of walking‚ skipping‚ and running on a person’s heart rate? Hypothesis: If the intensity of the action increases (walking<skipping<running)‚ then the heart rate will also increase because the faster the legs are moving‚ the faster the leg muscles need to contract
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The Effects of Temperature‚ Acetylcholine‚ and Adrenaline on the Heart Rate of Daphnia magna Hieu Duong 6 April 2011 Introduction The heart is a muscular organ that constantly pumps blood throughout the human body. The continuous flow of blood creates a system for vital organs within the body to gain oxygen and nutrients. The timely delivery of oxygen to the body’s organs is very crucial. Brain cells‚ for example‚ will die within minutes if the flow of oxygen is obstructed. For the
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Aim: To investigate the effect to the potato cells in the different solute concentration water Introduction; Water can move through the different cells due to the difference of water potentials in the cells. If there is a higher solute concentration in the cell than outside the cell‚ the water will move into the cell. However‚ if the concentration of inside the cell is lower than the outside‚ water will not move into the cell. This process is called osmosis. Research question; This investigation
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lifting upper and lower lids. Remove contact lenses‚ if worn‚ while rinsing. Immediate medical attention is necessary. b. Chemical : Etanol i. Oral exposure Ans : Intoxicating if ingested. (If ingested in undiluted form‚ it has a severe drying effect on mucous membranes of mouth and throat.) NEVER MAKE AN UNCONSCIOUS PERSON VOMIT OR DRINK FLUIDS. Wash out mouth thoroughly‚ and give plenty of water to drink. Do not induce vomiting. Get medical attention immediately. ii. Inhalation exposure
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FOR STARCH HYDROLYSIS THROUGH THERMOSTABLE α - AMYLASE T. Kolusheva‚ A. Marinova University of Chemical Technology and Metallurgy 8 Kl. Ohridski‚ 1756 Sofia‚ Bulgaria E-mail: e-mail: manahova@abv.bg. Received 10 July 2006 Accepted 12 November 2006 ABSTRACT The present work determines the optimal conditions for starch hydrolysis by thermostable α -amylase (EC 3.2.1.1) produced by Bac.subtilis strain XÊ-86. The hydrolysis reaction has the greatest rate at pH = 7.0‚ starch substrate concentration
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discuss how concentration ratios are used to determine total market shares within four specific industries. I will also discuss the levels of competition within those industries and how oligopolies can benefit society. Case‚ Fare‚ and Oster defines concentration ratio as the share of industry output in sales or employment accounted for by the top firms (2009). They are used to measure the total output produced by a certain number of firms within an industry. Four-firm concentration ratios
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