'2 fe 3' diaporamas de présentation

Oxidative Stress in Congenital and Acquired Hemolytic Anemias

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??? ? ? ? ? ( Biological oxidation)

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Chapter 27

Chapter 27. Gravimetric and Combustion Analysis. Representative Gravimetric Analyses. Precipitation. AgNO 3 + NaCl -----> AgCl + NaNO 3. Precipitation. AgNO 3 + NaCl -----> ? AgNO 3 + NaCl -----> AgCl + NaNO 3 total ionic equation

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Simplest (Empirical) Formula

Simplest (Empirical) Formula. Simplest integer ratio of the atoms in a compound Assume 100 g of compound, %element is then g element in sample g element x 1 mol element = mol element g element CHCl 3 10.061 g C x 1 mol C = 0.83765 mol C 12.011 g C

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Highland Science Department Ionic Nomenclature

Highland Science Department Ionic Nomenclature. Highland Science Department Ionic Nomenclature the more metallic element always comes first. Highland Science Department Ionic Nomenclature Multivalent Ions: metals with more than one common valence

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Nitrogen reduction in mafic rocks

Nitrogen reduction in mafic rocks. Nils Holm Department of Geology and Geochemistry Stockholm University. Flow of water through oceanic crust. Degens, 1989. Formation of the deepsea floor. Ferromagnesian minerals. Olivin e (Mg,Fe) 2 SiO 4 Pyroxenes Ca(Mg,Fe)Si 2 O 6 augite

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??? ? ??????? ?

???????????? 1. ??? ? ??????? ?. ??? ?????????? ????. ???? KSCN ? Fe 2+ ??? ? Fe 3+ ????. Fe 3+ +3SCN - =Fe(SCN)3. ? .Fe 2+ ? Fe 3+ ?????. ????? Fe 3+ ??? Fe 2+. ??? 1. ??????? Fe (H 2 S ? I - ? Cu ? Zn ? ). ???? 1-1 ? Fe 3+ ? Fe ??. (1) ?????????.

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Analysis of Iron Oxidation in Garnets

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?????????

?????????. ??????? 1???? H 3 PO 4 -NaH 2 PO 4 ???? ? 0.033 mol/L-0.033 mol/L?? ??????? H 3 PO 4 H + ?H 2 PO 4 ? H 2 PO 4 ? + H 2 O H 3 PO 4 + OH - ???? ???????[ OH - ] ????

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Introductory Lecture: Vitamin C Vitamins and Minerals Sept 3, 2014 Dr. Garry Handelman

Introductory Lecture: Vitamin C Vitamins and Minerals Sept 3, 2014 Dr. Garry Handelman. COMMON REPRESENTATION OF VITAMIN C STRUCTURE. Vitamin C is also called ascorbic acid . Below pH 4.5, vitamin C has all its protons (form on the left), but at pH 7.4, it has a negative charge

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????????????????

????????????????. ???? ??. ????. 1 ?????????????????????????? 2 ????????????????????? 3 ??? Fe 2+ ? Fe 3+ ?????? 4 ??????????????????????????????????. ???????. ???. ???. ???. ?????? FeS 2 ?. ?????? Fe 2 O 3 ?. ?????? Fe 3 O 4 ?. ?????. ????. ????. ?????????.

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Electrochemistry

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Oxidation - an atom loses one or more electrons .

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Balancing Equations

Balancing Equations. Recall. Formula: The symbolic representation of a chemical compound. NaCl, H 2 O. Equation: The symbolic representation of a chemical reaction. We combine Ions to create formulae. We use the formulae to write the equation. Balancing.

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Quiz: March 8

Quiz: March 8. 2. 2K, 2O, 2 H on each side. Balance the following equations: K 2 O + H 2 O -> KOH H 2 O 2 -> H 2 O + O 2 H 2 + Br 2 -> HBr CS 2 + O 2 -> CO 2 + SO 2 Al + CuCl 2 -> Cu + AlCl 3 Translate the following:

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Quiz February 23

Quiz February 23. 27 g (5pts). 2 x 64 = 128 + 16 = 144 g/mole (2.5 pts) (2.5 pts). Find the atomic mass of Al. Find the gram formula mass of Cu 2 O. Underline the important information in the stoichiometry problem below:

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Quiz: March 5

Quiz: March 5. 2. 2Na, 2O, 2 H on each side. Balance the following equations: Na 2 O + H 2 O -> NaOH H 2 O 2 -> H 2 O + O 2 H 2 + F 2 -> HF CS 2 + O 2 -> CO 2 + SO 2 Al + ZnCl 2 -> Zn + AlCl 3 Translate the following:

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