Synthesis, Isolation and Purification of an Ester
... 2.10 The student can design and/or interpret the results of a separation experiment (filtration, paper chromatography, column chromatography, or distillation) in terms of the relative strength of interactions among and between the components. 3.3 The student is able to use stoichiometric calculati ...
... 2.10 The student can design and/or interpret the results of a separation experiment (filtration, paper chromatography, column chromatography, or distillation) in terms of the relative strength of interactions among and between the components. 3.3 The student is able to use stoichiometric calculati ...
Chemical Synthesis (sat6)
... E = (M gO ∧ H2 → M g ∧ H2 O) ∧ (C ∧ O2 → CO2 )∧ (CO2 ∧ H2 O → H2 CO3 ) ∧ M gO ∧ H2 ∧ O2 ∧ C F = H2 CO3 The complete model code in LPL for this model is as follows (see [1]): Listing 1: The Model ...
... E = (M gO ∧ H2 → M g ∧ H2 O) ∧ (C ∧ O2 → CO2 )∧ (CO2 ∧ H2 O → H2 CO3 ) ∧ M gO ∧ H2 ∧ O2 ∧ C F = H2 CO3 The complete model code in LPL for this model is as follows (see [1]): Listing 1: The Model ...
Review Questions
... Ionic Naming – name the metal and then change the ending of the nonmetal to –ide. Learn the polyatomic ions. There will be a quiz in the first week of school. a. ...
... Ionic Naming – name the metal and then change the ending of the nonmetal to –ide. Learn the polyatomic ions. There will be a quiz in the first week of school. a. ...
Chemical Equations TrackStar Assignment
... http://www.acs.org/content/dam/acsorg/education/resources/highschool/chemmatters/archiv e/chemmatters-dec2009-movies.pdf Hollywood’s Special Effects: How Did They Do That? 1. List three different chemical substances used by special effects experts. Tell what each is used for. 2. Why is artificial sn ...
... http://www.acs.org/content/dam/acsorg/education/resources/highschool/chemmatters/archiv e/chemmatters-dec2009-movies.pdf Hollywood’s Special Effects: How Did They Do That? 1. List three different chemical substances used by special effects experts. Tell what each is used for. 2. Why is artificial sn ...
Types of Chemical Reactions
... The combustion reaction may also be an example of an earlier type such as 2Mg + O2 2MgO. The combustion reaction may be burning of a fuel. ...
... The combustion reaction may also be an example of an earlier type such as 2Mg + O2 2MgO. The combustion reaction may be burning of a fuel. ...
name - cloudfront.net
... If the reaction of 150. g of ammonia with 150. g of oxygen gas yields 87. g of nitric oxide (NO), what is the percent yield of this reaction? (77%) 14.The Hall process for the production of aluminum involves the reaction of aluminum oxide with elemental carbon to give aluminum metal and carbon monox ...
... If the reaction of 150. g of ammonia with 150. g of oxygen gas yields 87. g of nitric oxide (NO), what is the percent yield of this reaction? (77%) 14.The Hall process for the production of aluminum involves the reaction of aluminum oxide with elemental carbon to give aluminum metal and carbon monox ...
Chapter 6: Chemical Reactions – Study Guide
... 3. For each statement, write “yes” if evidence of a chemical reaction is present. Write “no” if there is no evidence of a chemical reaction. a) __________A tomato smells rotten. b) __________A drinking glass breaks into smaller pieces. c) __________A piece of ice melts. d) __________Drain cleaner is ...
... 3. For each statement, write “yes” if evidence of a chemical reaction is present. Write “no” if there is no evidence of a chemical reaction. a) __________A tomato smells rotten. b) __________A drinking glass breaks into smaller pieces. c) __________A piece of ice melts. d) __________Drain cleaner is ...
Worksheet 20.2
... 2- The rule states that, except for hydrogen , an atom combines with other atoms to form bonds in order to have 8 electrons in its valence energy level ( like noble gases). Lewis dot symbols are representations of the elements which give a dot ( . ) for each valence electron on the atom. The Lewis d ...
... 2- The rule states that, except for hydrogen , an atom combines with other atoms to form bonds in order to have 8 electrons in its valence energy level ( like noble gases). Lewis dot symbols are representations of the elements which give a dot ( . ) for each valence electron on the atom. The Lewis d ...
Chemical Reactions and Equations
... A Chemical Equation represents a chemical reaction. A complete chemical equation represents the reactants, products, and their physical states symbolically. A chemical equation also indicates a number of atoms of each element involved in a reaction. A chemical equation can be written as balanced or ...
... A Chemical Equation represents a chemical reaction. A complete chemical equation represents the reactants, products, and their physical states symbolically. A chemical equation also indicates a number of atoms of each element involved in a reaction. A chemical equation can be written as balanced or ...
C:\Users\mrh70950\Documents\My Files\WordPerfect
... i. anti-addition stereochemistry yields 1-alkenes from terminal alkynes and (E)-alkenes from internal alkynes 2. double hydrogenation: addition of 2 mol of H2 to yield alkanes a. noble metal catalyst + excess H2 3. electrophilic additions (all by very similar mechanisms) a. hydrohalogenation: addit ...
... i. anti-addition stereochemistry yields 1-alkenes from terminal alkynes and (E)-alkenes from internal alkynes 2. double hydrogenation: addition of 2 mol of H2 to yield alkanes a. noble metal catalyst + excess H2 3. electrophilic additions (all by very similar mechanisms) a. hydrohalogenation: addit ...
Chemical Reactions and Equations
... Be able to recognize synthesis, decomposition, single replacement, double replacement, combustion and neutralization reactions. ...
... Be able to recognize synthesis, decomposition, single replacement, double replacement, combustion and neutralization reactions. ...
F324 summary - Macmillan Academy
... • In NMR, protons (hydrogen atoms) in a sample absorb and emit low-energy radiowave radiation in the presence of a powerful magnetic field. • The number of peaks gives information about the number of proton environments. • The area under each peak gives information about the number of hydrogen atoms ...
... • In NMR, protons (hydrogen atoms) in a sample absorb and emit low-energy radiowave radiation in the presence of a powerful magnetic field. • The number of peaks gives information about the number of proton environments. • The area under each peak gives information about the number of hydrogen atoms ...
Presentation - Chem Rxns - stpats-sch3u-sem1-2013
... A catalyst is a substance which speeds up a reaction, but is chemically unchanged at the end of the reaction .e.g conc. H2SO4 in many different reactions Adding a catalyst has exactly this effect on activation energy. A catalyst provides an alternative route for the reaction. That alternative route ...
... A catalyst is a substance which speeds up a reaction, but is chemically unchanged at the end of the reaction .e.g conc. H2SO4 in many different reactions Adding a catalyst has exactly this effect on activation energy. A catalyst provides an alternative route for the reaction. That alternative route ...
Fall.2008.Week9.Lesson.1 - reich
... (s) means the substance is a solid (aq) means the substance is aqueous Aqueous means dissolved in water, which does not necessarily mean the compound was a liquid. Ethanol and sugar both become aqueous, but only one of them was a solid at room temperature. ...
... (s) means the substance is a solid (aq) means the substance is aqueous Aqueous means dissolved in water, which does not necessarily mean the compound was a liquid. Ethanol and sugar both become aqueous, but only one of them was a solid at room temperature. ...
File - Ingolstadt Academy
... Density (definition and equation) Dimensional analysis Instruments that measure mass, volume, pressure, etc. (lab stuff!) The Scientific Method Atomic Structure: ...
... Density (definition and equation) Dimensional analysis Instruments that measure mass, volume, pressure, etc. (lab stuff!) The Scientific Method Atomic Structure: ...
Chemistry 199 - Oregon State chemistry
... What is a Lewis base? What is a Lewis acid? Let me start by stating that we are familiar with many bases and acids. Those we know to be bases are Lewis bases and those we know to be acids are Lewis acids. Our previous ideas of bases and acids came from Arrhenius, Bronsted, and Lowry. These ideas inv ...
... What is a Lewis base? What is a Lewis acid? Let me start by stating that we are familiar with many bases and acids. Those we know to be bases are Lewis bases and those we know to be acids are Lewis acids. Our previous ideas of bases and acids came from Arrhenius, Bronsted, and Lowry. These ideas inv ...
Slide 1 - Mrs. Reed Science Classes
... For the reaction represented by the equation Mg + 2HCl H2 + MgCl2, calculate the percentage yield of magnesium chloride if 100. g of magnesium react with excess hydrochloric acid to yield 330. g of magnesium chloride. a. 71.8% c. 81.6% b. 74.3% d. 84.2% ...
... For the reaction represented by the equation Mg + 2HCl H2 + MgCl2, calculate the percentage yield of magnesium chloride if 100. g of magnesium react with excess hydrochloric acid to yield 330. g of magnesium chloride. a. 71.8% c. 81.6% b. 74.3% d. 84.2% ...
Gen Chem Final--review problems Fall 2006
... All elements of this group exist naturally as diatomic molecules. ...
... All elements of this group exist naturally as diatomic molecules. ...
7.4 Acids and bases
... Strong bases include metal hydroxides and metal oxides. Metal hyroxides such as NaOH dissociate completely into hydroxide ions and a metal cation in solutions. The metal oxides first react with water to produce a metal hydroxide and then completely dissociate providing 100% hydroxide ions. An exampl ...
... Strong bases include metal hydroxides and metal oxides. Metal hyroxides such as NaOH dissociate completely into hydroxide ions and a metal cation in solutions. The metal oxides first react with water to produce a metal hydroxide and then completely dissociate providing 100% hydroxide ions. An exampl ...
S2-2-07 - Classifying Chemical Reactions
... At the front of the class, add approximately ½ mL of CuSO4 solution to a test tube. Drop a piece of zinc into the test tube. Tell students that what is happening in the test tube is called a Single Displacement reaction. Explain that this type of reaction (using general formula) involves one reactan ...
... At the front of the class, add approximately ½ mL of CuSO4 solution to a test tube. Drop a piece of zinc into the test tube. Tell students that what is happening in the test tube is called a Single Displacement reaction. Explain that this type of reaction (using general formula) involves one reactan ...
Erik`s Chemistry: Thermochemistry - ECHS Chemistry
... qbomb=C t, where C is the calorimeter constant (Cv of bomb x mass of bomb, really same equation) 3. H vs. E for chemical reactions H=qp since E=qp-P V substituting gives H= E+P V where P will usually be in atmospheric pressure, and V is volume change at that pressure. C. Laws of Thermochemistry 1. T ...
... qbomb=C t, where C is the calorimeter constant (Cv of bomb x mass of bomb, really same equation) 3. H vs. E for chemical reactions H=qp since E=qp-P V substituting gives H= E+P V where P will usually be in atmospheric pressure, and V is volume change at that pressure. C. Laws of Thermochemistry 1. T ...
Lewis acid catalysis
In Lewis acid catalysis of organic reactions, a metal-based Lewis acid acts as an electron pair acceptor to increase the reactivity of a substrate. Common Lewis acid catalysts are based on main group metals such as aluminum, boron, silicon, and tin, as well as many early (titanium, zirconium) and late (iron, copper, zinc) d-block metals. The metal atom forms an adduct with a lone-pair bearing electronegative atom in the substrate, such as oxygen (both sp2 or sp3), nitrogen, sulfur, and halogens. The complexation has partial charge-transfer character and makes the lone-pair donor effectively more electronegative, activating the substrate toward nucleophilic attack, heterolytic bond cleavage, or cycloaddition with 1,3-dienes and 1,3-dipoles.Many classical reactions involving carbon–carbon or carbon–heteroatom bond formation can be catalyzed by Lewis acids. Examples include the Friedel-Crafts reaction, the aldol reaction, and various pericyclic processes that proceed slowly at room temperature, such as the Diels-Alder reaction and the ene reaction. In addition to accelerating the reactions, Lewis acid catalysts are able to impose regioselectivity and stereoselectivity in many cases.Early developments in Lewis acid reagents focused on easily available compounds such as TiCl4, BF3, SnCl4, and AlCl3. The relative strengths of these (and other) Lewis acids may be estimated from NMR spectroscopy by the Childs method or the Gutmann-Beckett method. Over the years, versatile catalysts bearing ligands designed for specific applications have facilitated improvement in both reactivity and selectivity of Lewis acid-catalyzed reactions. More recently, Lewis acid catalysts with chiral ligands have become an important class of tools for asymmetric catalysis.Challenges in the development of Lewis acid catalysis include inefficient catalyst turnover (caused by catalyst affinity for the product) and the frequent requirement of two-point binding for stereoselectivity, which often necessitates the use of auxiliary groups.