REACTIONS OF HYDROCARBONS Vanessa P. Manibpel De La Salle University - Dasmariñas ABSTRACT Five substances namely Hexane‚ Eugenol‚ Unknown hydrocarbon 1‚ Unknown hydrocarbon 2‚ and Acetylene gas was used for the selective reactivity of hydrocarbons to functional group tests; Bayer’s test‚ Bromine test light‚ Bromine test dark‚ and Tollen’s test. In Bayer’s test‚ only Acetylene‚ Eugenol and Unknown hydrocarbon 2 reacted positively and the rest retain the purplish color of KMnO4. On the other hand
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Redox Reactions Reactions involving oxidation and reduction processes are very important in our everyday world. They make batteries work and cause metals to corrode (or help to prevent their corrosion). They enable us to obtain heat by burning fuels--in factories and in our bodies. Many redox reactions are complex. However‚ combustion and synthesis (from elements) are two ordinary examples which require very little description. Just a little more involved are the displacement reactions‚ with
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Chemical Reactions What is a Chemical Reaction? Types of Chemical Reactions Redox Reactions Nonredox Reactions Classifying Reactions What is a Chemical Reaction? A chemical reaction is a process in which the identity of at least one substance changes. A chemical equation represents the total chemical change that occurs in a chemical reaction using symbols and chemical formulas for the substances involved. Reactants are the substances that are changed and products are the substances that are
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The article “Exercise During Pregnancy” by Raul Artal‚ M.D.‚ James F. Clapp‚ III‚ M.D.‚ and Daniel V. Vigil‚ M.D. relates to what I’ve learned about motor development because of it’s connection to Newell’s Model of Constraints. Newell’s Model has three different constraints: Individual‚ Structural‚ and Functional‚ which can impact a person’s abilities due to changing interactions in motor development that occur throughout their lifetime (Haywood‚ K.M. & Getchell‚ N.). Pregnancy is a huge Structural
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What Affects Development in the Child Stage Ages and Stages by: Carla Poole‚ Susan A. Miller‚ EdD‚ and Ellen Booth Church In this article about child development‚ and what affects each stage‚ the authors go into detail about numerous factors that are vital to the future development. In stages‚ birth- 2 years the parents and those surrounding the infant and toddler directly affect his or her ability to build a sense of self. (Poole‚ Miller‚ EdD‚ and Church‚ 2013) Meaning what makes a baby who
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Degree Worth? “What is a College Degree Worth?” by Maggie Gallagher. The overall main idea of this article is that the cost of college is going up and people is taking loans out which are putting them in debt because they have to pay them off. That is the reason why some people don’t go to college‚ I believe the author wrote the article to inform you about why teens are in debt after they graduate college. According to Mrs. Gallagher
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Chemical Reactions Chemical reactions happen in almost everything around us. Reactions are very important in everyday life‚ and science. Chemical reactions are the changing of substances to other substances by the breaking of bonds in reactants and the formation of new bonds in products. There are different types of chemical reactions such as combination reaction‚ decomposition reaction‚ single-replacement reaction‚ double-replacement reaction‚ and combustion reaction. Combination
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sheep and follow the lead of the blind. Doris Lessing was a renowned fictional novelist of the 20th century (Lessing 652) and lived during an exciting time when questions of the normal aspects of human life were beginning to be understood. Lessing’s article "Group Minds" presents an argument that we know how people interact in groups‚ ignorance of how groups are governed is dangerous‚ and we can make changes to help the future generations. Lessing asserts her thesis that humans are social animals (652)
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endothermic reaction happened everywhere around us. Basically exothermic and endothermic reaction is transfer energy to the surroundings and take in energy from the surroundings (BBC GCSE bitesize). If the reaction forward ，then is exothermic.If the reaction is the backwards ‚then is endothermic. When a reaction take place‚ the energy started to transfer from different object to the surroundings or take away energy from the surroundings. When temperature started to change. Exothermic Reaction An exothermic
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The hypothesis If a chemical reaction occurs‚ then there will be indicators of a chemical change‚ was supported throughout this experiment. Throughout this experiment there were several reactions that took place‚ and an indicator of such chemical reactions could be seen throughout each one. The first piece of identifiable evidence was present in the first step‚ which was when copper (II) nitrate and sodium hydroxide were combined. When stirred‚ a blue precipitate formed at the bottom of the test
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