What really happened at the Alamo? The Alamo in San Antonio‚ Texas‚ was originally known as Mission San Antonio de Valero. It was one of five Spanish missions established by Franciscans in he late 1700s and was the first set along the San Antonio River. People in the unit started calling the post "The Alamo" after the name of their home‚ Alamo de Parras‚ Coahuila in 1744. "Alamo" is also a Spanish word for cottonwood. The Alamo in Texas became a place where a battle took place. This is known
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Public Budgeting Professor Lynch Spring 2009 Proposal to: Increase Breastfeeding Rates in New York Introduction In a time when overwhelming research shows that human milk is superior to any sort of manufactured human milk substitute‚ with great economic benefits for breastfeeding families‚ the health care system‚ and society in general‚ breastfeeding is no longer seen as just an individual choice‚ but as a public health challenge that deserves more publicity to create supportive systems and environments
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‘Kinetics’ is the study of chemical reactions. The speed of a reaction can vary depending on many variables such as the nature of the reactants‚ particle size‚ concentration and temperature. For a chemical reaction to occur‚ there must be a collision between reactants. The reaction rate is slower when the reactants are large and complex molecules because it takes longer for the molecules to combine together creating a chemical reaction. More than 2000 years ago‚ Democritus‚ who was a philosopher
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purpose of laboratory assignment 3 was to measure the rate at which a chemical reaction takes place. For the purpose of this lab we measured the rate a balanced oxidation/reduction reaction between iodine‚ hydrogen‚ and bromate ion occurs. The above reaction occurs slowly so we used a coupled iodine clock reaction to measure the rate of the oxidation/reduction reaction because it occurs much faster but is still dependent upon the other reaction. To accomplish this‚ two mixtures were prepared in separate
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Objective To investigate the effect of carbon dioxide concentration on the rate of photosynthesis Introduction Photosynthesis is a process that is essential for every living organism. Organic substances‚ such as glucose‚ are made from carbon dioxide and water by light energy from the sun. The light energy is absorbed by chlorophyll and converted to chemical energy. During the process‚ oxygen is released as a by-product. The rate of photosynthesis is affected by a few of factors‚ including
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1.a. Increase pressure from the thoracic cavity onto the venae cavae causes the stroke volume to decreases‚ cardiac output would decrease‚ venous blood pressure would eventually increase and venous return would also eventually increase. b. Fainting is due to a drop in blood flow to the brain. And holding your breath causes the heart rate to slow and blood vessels to dilate‚ which then leads to blood pools in the lower body and less blood going up to the brain. c. Compensatory mechanism that become
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experiment is to find out the rate of reaction between Hydrochloric acid (HCL) and Magnesium (Mg) in different temperatures. The products that will be formed are Magnesium Chloride (MgCl2) and Hydrogen (H2). Prediction: I predict that as the temperature increases the rate of reaction also increases. To further explore the fact I further predict that the rate of reaction will double for every 10° C rise in temperature. I further predict as the temperature rises by 10° C the rate of collisions will also
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comfortable with. Moreover‚ as “the head of department leads the department in a relatively informal and relaxed manner” may have an impact on the work. However‚ as he says that “I prefer a democratic approach” suggests that he takes into account what the workers have to say but when it comes to decision making‚ he makes the final decision. Anne may not be used to this as in her previous job‚ she was a partner of the company and people would seek solutions as well as recommendations from. Whereas
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Today I will inform my audience of the history of Alzheimer’s ‚ what happens to the brain in alzheimers disease; the stages as well as treatment. Alzheimer’s disease is an irreversible‚ progressive brain disease that slowly destroys memory and thinking skills and‚ eventually even the ability to carry out the simplest tasks of daily living. In most people with Alzheimer’s‚ symptoms first appear after age 60 but it can precent itself sooner. Alzheimer’s disease is the most common cause of dementia
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hypothesis proposed that if a small amount of salt was added to the reaction‚ then it cause the rate of the reaction to speed up‚ but if too much salt was added‚ then it will instead decrease the rate of the reaction. The data revealed that no additional amount of salt was the reaction that had the highest rate. As shown previously in the data table‚ the first trial’s average reaction rate of 4.5 mL/min was higher than the other two reaction rates where salt was added for trial 2 and trial3‚ 2.125 mL/min and
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