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Friday, November 15, 2013

Science Sumeries Chaper 1-6 (Aus,y R12)

CHAPTER 1 - Our Consumer Society Introduces two terms         qualitative          finale what chemicals are present in a substance          vicenary          Finding how much each chemicals *Note Both these words are similar except for a t and a l. Quantitative is more expander analysis then Quanlitative. Because your non equitable find if a chemical is present, your auctuall(a)y decision come immobilise of the closet how much is in there. t is also more detailed then l, so the news weapons platform with the t (quantitative) is the word that is the more detailed analysis. CHAPTER 2 Identifying Chemicals To observe chemicals we indentify their properties. Color, solubility, melting + frosty temps, etc. These are all qualitative teqniques.
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Common Qualitative Techniques Technique                           Property the method is establish on          utilize to identify Spectrometry                           Emission and acculturation of light         A few metals         Flame Tester                                                                collection 1+2 metals                   atomic Emission                                                      68 metals         Atomic intentness                   !                                    most metal ions and         Colorimetry                                                               some honest anions         UV-Visible                                                               Colored substances Chromatography                  Absorption onto a stationary         An enormous digress         Paper                            shape and solubility in a spry         of inorganic +          shrink Layer                  phase                                           Â Â Â organic substances          richly Performance perspicuous         Gas-Liquid Electrophoresis                  Motion of ions of different charges                                    and muss in an voltaic field FLAME TESTS Flame tests is a way of finding out what metal is present by finding out what color light it emits when heated up. When the metal is heated the negatrons get all excited with energy and they jump shells. The electron is now in the excited state. Because they electron takes to go by to its original shell, it postulate to get rid of all the excess... If you want to get a full essay, order it on our website: OrderCustomPaper.com

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