living started to improve. Science is the study of things. There are many branches of Science like Nature Science‚ Physics‚ Biology‚ Botany and many others. Chemistry is one such branch of Science where we learn about various elements in nature and also about their physical and chemical properties. We even have Chemistry as a subject in schools. Some students find Chemistry boring but it is a really interesting subject for those who love to explore the world of Chemistry. We come across various
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Careers in CHEMISTRY and its FUNCTIONS Agricultural Chemist - focuses on chemical compositions and changes involved in the production‚ protection‚ and use of crops and livestock Analytical Chemist - work varies between industries. Analytical chemistry is the science of obtaining‚ processing‚ and communicating information about the composition and structure of matter Biochemist - biochemists identify biological problems then develop and apply appropriate techniques to
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Repetition and revision. Repetition‚ it could be repeating a line over and over to set a mood‚ and rhythm. We could repeat a theme throughout a play in different format to get your point across. We can repeat for humor‚ ideally the comedy rule is that you repeat something three times‚ any more than that and it’s not funny anymore. Repetition could also have a negative effect on an audience if it’s an actor who annoyingly repeats the same sound or mannerism. Or it could be the director’s intention
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is “the study of the quantitative relationships among the amounts of reactants used and the amounts of products formed in a chemical reaction”. Basically‚ Stoichiometry is the science of counting and studying the relationship between the amounts of the reactants to the product. To think of stoichiometry outside of chemistry‚ imagine a bookshelf. To assemble the bookshelf you may need 3 planks of wood‚ 1 giant plank of wood‚ and 20 nails. Even though the amount of the reactants is high‚ the product
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“To acquire knowledge‚ one must study; but to acquire wisdom‚ one must observe.” ― Marilyn Vos Savant “You can’t just be reading books all the time and leave the writting of them to others.” ― Joseph Delaney‚ Night of the Soul Stealer “It does not matter where you go and what you study‚ what matters most is what you share with yourself and the world.” ― Santosh Kalwar “I don’t sing a song unless I feel it. The song don’t tug at my heart‚ I pass on it. I have to believe in what I’m
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Chemistry Coursework – Titration Background Science A titration is the neutralisation of an acid or an alkali. To achieve this‚ one must be added to the other in a specific amount‚ strength and concentration. A substance is neutral when its pH is 7. It is most acidic closer to 0 and is most alkaline closer to 14. 28492453194050 0 7 14 595423979670
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Earth scientist. The study of Earth science deals with many fascinating and practical questions about our environment. Vllhat 1 forces produce mountains? Why is our daily weather so variable? Is climate really changing? How old is Earth‚ and how is it related to the other planets in the solar system? What causes ocean tides? 3 What was the Ice Age like? Will there be another? Can a successful well be located at this site? The subject of this text is Earth science. To understand Earth is not an easy
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arenes. They contain in their molecule one or more cycles made up from 6 carbon atoms. When the molecule is formed out of a single cycle‚ the hydrocarbons are mono nucleuses; when the molecule contains more than one cycle‚ the hydrocarbons are poly nucleuses. The simplest aromatic hydrocarbon‚ benzene‚ is compound out of just one such cycle; its formula is C6H6. The representation of benzene through a cycle of 6 carbon atoms with 3 double bounds was proposed by Kekule in 1865: In some special conditions
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6 + (7*2) = 20 The answer is “d” because it does not have eight valence electrons. 64) Explain why each electron structure is incorrect. Replace each structure with one that is more acceptable. a) It is incorrect because neither of the atoms follow the octet rule and doesn’t add up to a correct charge. They don’t have any bonds either. b) The Lewis dot structure doesn’t follow the octet rule‚ have the correct number of electrons‚ or any bonds. 74) Ethyl alcohol
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