'Naoh' diaporamas de présentation

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? ?? B O R O N & C A R B O N

? ?? B O R O N & C A R B O N. ??. ??? ? ???????????????. ??????????????. ? ?????? 13 ?????? ?? Al Ga In Tl ?????????? Ga 2 ?? m.p./? 660 30 157 303. ??. 4s 1-3. 4s 2 5s 2 6s 2. ???????????. ??????????. Ga Ge As

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????????? 36 ???. ?? ??????. ??????????? (10 ??? ). 1 ???????????????. ? 1 ?? a ? FeS 2 ???????????? n ?????????????????? A 12n/a B 60n/a C 11a/120n D 120n/11a.

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??? ?????. ??? ???. H. H. :. :. :. :. H:C:C:Br. :. :. :. H. H. ?????. ????????????. 1 ????????????. ??? ???. ???. C 2 H 5 Br. ????. ???????. 2. ????????. ??????? 38.4? ????????????. ??????????????????????. 1 ??????????????? Br ??? Br - ?. ?C 2 H 5 Br. AgNO 3 ??. ???.

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Experiment 5 NaOH Standardization

Experiment 5 NaOH Standardization. Valdosta State University. Purpose. To accurately determine the concentration of a sodium hydroxide solution by titration. Valdosta State University. Background. Base Standardization

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Unit 9 Stoichiometry

Unit 9 Stoichiometry. Mole-Mole, Mass-Mass, Mass-Volume, Volume-Volume, Limiting Reactant and Percent Yield. Stoichiometry. The study of quantitative, or measurable relationships that exist in chemical formulas and chemical reactions.

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5-7 ??? ( ? ) ??? ????????????????

5-7 ??? ( ? ) ??? ???????????????? ????? 1. ?????????? H + ???????? 2. ??????????????? pH ??? 3. ???? pH ??????????? ?????????????? c a K a ?10 -7.7 ? c sp K a ?10 -8 ????? c sp1 K a1 ?10 -8 ? c sp2 K a2 ?10 -8 ? c sp3 K a3 ?10 -8 ????????? H + ???????????????????

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Chapter 14 Acids and Bases

Chapter 14 Acids and Bases. 14.8 Acid-Base Titration. Titration http://www.youtube.com/watch?v=g8jdCWC10vQ&list=PL13E6D5AEF3861CE0&index=8&feature=plpp_video. Acid-Base Titration. Base (NaOH). Titration is a laboratory procedure used to determine the molarity of an acid

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THE MATHEMATICS IN A TITRATION CURVE

THE MATHEMATICS IN A TITRATION CURVE. (WITH A LITTLE BASE 10 AND LOGARITHM ARITHMATIC ADDED). INTRODUCTION OF BASIC CONCEPT OF TITRATION CURVES USING TITRATION OF STRONG ACID WITH STRONG BASE.

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A. Write skeleton equations

A. Write skeleton equations. Hydrogen gas reacts with bromine gas to produce gaseous hydrogen monobromide Carbon Monoxide Gas reacts with oxygen gas to produce Carbon dioxide Solid potassium chlorate decomposes to produce solid potassium chloride and oxygen gas.

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Mole calculations revision

Mole calculations revision. AQA Chem 1 Jan 2012. AQA Chem 1 Jan 2012. AQA Chem 1 Jun 2011. AQA Chem 1 Jun 2011. a) 5.2g of an acid HX were dissolved in 250cm 3 of solution (HX has an Mr of 204.1) Calculate the concentration of HX.

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Using STELLA as a Simulation Tool for Chemical Education

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25.0 mL of 0.50 M NaOH were combined with 14.7 mL of 0.35 M

25.0 mL of 0.50 M NaOH were combined with 14.7 mL of 0.35 M H 2 SO 4 . Determine the moles of the excess reactant remaining and its new concentration. 2NaOH + H 2 SO 4 ? 2H 2 O + Na 2 SO 4. 25.0 mL. 14.7 mL. Just pick a product.

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E = mc 2 # 4

Balancing Equations. E = mc 2 # 4. Balance the following equation and identify the type of reaction. 1. __ BaBr 2 + __ K 2 SO 4 ? __KBr + __BaSO 4 2. __ Na + __ H 2 O ? __ NaOH + __H 2 What type of bond would you expect KBr to have? Why? How about H 2 O?. Answers.

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