'Hno 3' diaporamas de présentation

AP CHEMISTRY. Chapter 1 Chemical Foundations. Review. Scientific method SI system -know prefixes in blue on pg 9 Mass vs weight-an object’s mass reflects the amount of matter it contains. An object’s weight is the pull of gravity on that matter. Uncertainty.

Tracers of stratospheric influence and Asian dust over the Pacific during INTEX B phase II UNH SAGA special thanks to FASTOZ. All of you on the deployment will recall extensive (excessive?) discussion about whether we were seeing strat influence in the mid and upper trop over the Pacific.

Chemistry 16.3. 12.3. Limiting Reagent and Percent Yield.

Nitration of Methyl Benzoate. Multistep Synthesis. 50%. 50%. C. B. A. Yield =. 25%. Nucleophilic Aliphatic Substitution. Electrophilic Aromatic Substitution. ARENE SUBSTITUTION. E +. + H +. The electrophile REPLACES H +. E - Y. + H +. Charge o and p. Nitration of Benzene.

Bahan Kajian MK. Dasar Ilmu Tanah. REAKSI PERTUKARAN ION & KETERSEDIAAN HARA. Smno.agroekotek.fpub.okt2013. Muatan listrik pd Komponen Tanah. Humus » 200 cmol c /kg Smectite /Vermiculite » 100 cmol c /kg Illite » 25 cmol c /kg Kaolinite » 10 cmol c /kg

Treatment of a Solution of Anions with AgNO 3 &BaCl 2. 原理. 1. 分析 離子 : Cl - ， Br - ， I - ， S 2- ， CrO 4 2- ， SO 4 2- 。 2. 利用 AgNO 3 分別與 Cl - ， Br - ， I - ， S 2- 反應。 AgCl 白色 AgBr 乳黃色 AgI 黃色 Ag 2 S 黑色 3. 利用 BaCl 2 分別與 CrO 4 2- ， SO 4 2- 反應。 BaCrO 4 黃色 BaSO 4 白色. 分離樹狀圖. 步驟. 取四根離心管， 分別加入

常见几中阴离子的鉴定反应. 几种阴离子的鉴定反应. （一）卤化物的鉴定 1 、 Cl - 的鉴定 Ag + +Cl - ＝ AgCl↓ （白） 该沉淀不溶于稀 HNO 3 ，但溶于浓氨水。. 2 、 Br - 的鉴定. Ag + +Br - =AgBr↓ （淡黄色） 该沉淀不溶于 HNO 3 ，微溶于浓氨水. 3 、 I - 的鉴定. Ag + +I - =AgI↓ （黄色） 该沉淀不溶于 HNO 3 和浓氨水. （二） CN - 鉴定. 1 、 CN - 与对苯醌的二亚砜溶液反应，在紫外光下，产生蓝绿色荧光。

Baøi 3:. CAÙc baøi toaùn kim loaïi phaûn öùng vôùi axit. GV. NGUYEÃN TAÁN TRUNG (Trung Taâm Luyeän Thi Chaát Löôïng Cao VÓNH VIEÃN). Kim loaïi phaûn uùng vôùi Axit. CAÙC LOAÏI AXIT :. Coù 2 loaïi axit. Axit loaïi 1 : Caùc axit chæ coù tính axit.

GEOS-CHEM Activities at NIA. Hongyu Liu National Institute of Aerospace (NIA) at NASA LaRC June 2, 2003. 210 Pb- 7 Be-O 3 relationships. 210 Pb- 7 Be-O 3 relationships during PEM-West A (Sept-Oct 1991). 210 Pb-O 3. 7 Be-O 3. Near Asia. Remote Pacific. Near Asia. Remote Pacific. UT.

General properties. ACIDS Taste sour Turn litmus React with active metals – Fe, Zn React with bases. BASES Taste bitter Turn litmus Feel soapy or slippery (react with fats to make soap) React with acids. blue to red. red to blue.

CHEM 5013 Applied Chemical Principles. Chapters Three and Four (Mole Concepts) Professor Bensley Alfred State College. Chapter Objectives. Explain the concept of a mole in your own words. Interpret chemical equations in terms of both moles and molecules.

Jeopardy. Basic Chemistry. Other. Naming. Stoichiometry. Thermodynamics. Q $100. Q $100. Q $100. Q $100. Q $100. Q $200. Q $200. Q $200. Q $200. Q $200. Q $300. Q $300. Q $300. Q $300. Q $300. Q $400. Q $400. Q $400. Q $400. Q $400. Q $500. Q $500. Q $500. Q $500.

IONS AND IONIC COMPOUNDS. MONATOMIC IONS are atoms with a positive or negative charge. Taking away an electron from an atom gives a CATION with a positive charge Adding an electron to an atom gives an ANION with a negative charge . . PREDICTING ION CHARGES. In general

ACIDS, BASES , AND pH. Arrhenius ACIDS. An acid -------> H + in water. HCl( aq ) ---> H + ( aq ) + Cl - ( aq ). Arrhenius BASES. Base ---> OH - in water. NaOH ( aq ) ---> Na + ( aq ) + OH - ( aq ). NaOH is a strong base. Arrhenius Theory.

The Influence of biogenic emissions on tropospheric ozone over Equatorial Africa during 2006. J.E. Williams, R. Scheele, P.F.J. van Velthoven, J-P. Cammas, V. Thouret and C. Lacy-Galeux. Objectives of the study.

Unit 4 Review!!!!. Starting Easy….. Balance the following reactions. Rb + RbNO 3  Rb 2 O + N 2 H 3 PO 4 + Mg(OH) 2  Mg 3 (PO 4 ) 2 + H 2 O Aluminum hydroxide + Carbonic acid  Aluminum carbonate + water Al(OH) 3 + H 2 CO 3  Al 2 (CO 3 ) 3 + H 2 O. 10. 2. 6. 2. 3.

Ch 7: Gravimetric and Combustion Analysis. General Gravimetric Procedure. aA (aq) + rR (aq) → A a R r (s). precipitating reagent (in excess). analyte. precipitate. weight of A determined using stoichiometric ratio between A and A a R r. moles A a R r. moles A. mass A.

Reactions of arenes. L.O.: Outline the mechanism of nitration. Outline the mechanism of of acylation. Identify the reactive intermediates involved in nitration and acylation. Name the mechanisms of both reactions. STRUCTURE OF BENZENE. STRUCTURE OF BENZENE. STRUCTURE OF BENZENE. NITRATION.

Acids and Bases Chapter 15. Properties of Acids. Sour taste Change color of vegetable dyes React with “active” metals Like Al, Zn, Fe, but not Cu, Ag or Au Zn + 2 HCl  ZnCl 2 + H 2 Corrosive React with carbonates, producing CO 2 Marble, baking soda, chalk

Stoichiometry . The Chemical Equation: H-O-H + H-O-H --> O=O + H-H + H-H 2 molecules --> 1 molecule + 2 molecules note that atoms are conserved 2 atoms of oxygen are seen in the reactants and in the products 4 atoms of hydrogen are seen in the reactants and the products