Final Review
... 3. What would be the number of moles and grams of carbon dioxide gas contained in an 855 mL container at 35˚C and 1860 mmHg of pressure? 4. If a 2.75 L container of gas at 24.0˚C and 95.2 kPa was compressed to 1820 mL and warmed to 40.0˚C, what would be the new pressure? 5. A mixture of 3 gases, A,B ...
... 3. What would be the number of moles and grams of carbon dioxide gas contained in an 855 mL container at 35˚C and 1860 mmHg of pressure? 4. If a 2.75 L container of gas at 24.0˚C and 95.2 kPa was compressed to 1820 mL and warmed to 40.0˚C, what would be the new pressure? 5. A mixture of 3 gases, A,B ...
2nd Semester Final Exam Review
... 3. If a 35.00% solution of NaCl contained 90.0 grams of NaCl, how many grams of water was it dissolved in? 4. How many grams of KBr are needed to make 750.0 ml of a .500 M solution? 5. What is the effect on the number of dissolved particles on: vapor pressure, freezing point, and boiling point? Coll ...
... 3. If a 35.00% solution of NaCl contained 90.0 grams of NaCl, how many grams of water was it dissolved in? 4. How many grams of KBr are needed to make 750.0 ml of a .500 M solution? 5. What is the effect on the number of dissolved particles on: vapor pressure, freezing point, and boiling point? Coll ...
! !! ! n nn N P =
... 1. The stoichiometry for the reaction between Cl2 and ClO2- is shown in equations 1 and 2. Acidic conditions and high concentrations of chlorite favor the formation of chlorine dioxide (ClO2), while basic conditions and low concentrations of chlorite (ClO2-) favor the formation of the chlorate ion ...
... 1. The stoichiometry for the reaction between Cl2 and ClO2- is shown in equations 1 and 2. Acidic conditions and high concentrations of chlorite favor the formation of chlorine dioxide (ClO2), while basic conditions and low concentrations of chlorite (ClO2-) favor the formation of the chlorate ion ...
Chapter 11 Chemical Reactions
... We will learn: a) the 5 major types. We will be able to: b) predict the products. For some, we will be able to: c) predict whether or not they will happen at all. ...
... We will learn: a) the 5 major types. We will be able to: b) predict the products. For some, we will be able to: c) predict whether or not they will happen at all. ...
Chemical Reactions
... Normally, a compound composed of only C, H, (and maybe O) is reacted with oxygen – usually called “burning” If the combustion is complete, the products will be CO2 and H2O. If the combustion is incomplete, the products will be CO (or possibly just ...
... Normally, a compound composed of only C, H, (and maybe O) is reacted with oxygen – usually called “burning” If the combustion is complete, the products will be CO2 and H2O. If the combustion is incomplete, the products will be CO (or possibly just ...
Chemical Equations and Reactions notes File
... Solid sodium oxide is added to water at room temperature and forms sodium hydroxide. Word Equation: sodium oxide + water sodium hydroxide Formula ...
... Solid sodium oxide is added to water at room temperature and forms sodium hydroxide. Word Equation: sodium oxide + water sodium hydroxide Formula ...
Toluenediamine
... The reduction of dinitrotoluene is characterized by its strong exotherm of >1100 kJ/mol. Due to this fact combined with the thermal instability of the dinitro compound certain processing requirements must be considered. Gas-phase reaction of dinitrotoluene can merely be realized and particular preca ...
... The reduction of dinitrotoluene is characterized by its strong exotherm of >1100 kJ/mol. Due to this fact combined with the thermal instability of the dinitro compound certain processing requirements must be considered. Gas-phase reaction of dinitrotoluene can merely be realized and particular preca ...
Chemicals and Their Reactions
... Word vs Chemical Equations? chemical equations provide more detail such as: Chemical formulas of substances involved The ratio of substances involved State of substances involved ...
... Word vs Chemical Equations? chemical equations provide more detail such as: Chemical formulas of substances involved The ratio of substances involved State of substances involved ...
Ch. 6: Chemical Reactions Study Guide
... In a chemical reaction atoms are rearranged. A change of color is a sign that a chemical reaction is taking place. The changes that are visible during a chemical reaction are signs that the atoms in the reactants have been rearranged. A substance is said to be reduced when it gains electrons. A sign ...
... In a chemical reaction atoms are rearranged. A change of color is a sign that a chemical reaction is taking place. The changes that are visible during a chemical reaction are signs that the atoms in the reactants have been rearranged. A substance is said to be reduced when it gains electrons. A sign ...
1. All the questions are compulsory. 2. Q. N
... themselves. In view of this, certain polymers are being developed which are broken down rapidly by microorganisms. Shalini feels relaxed that such kinds of biomaterials are being developed. (a) Name the class of these useful polymers which do not harm the environment. (b) Give any one example of the ...
... themselves. In view of this, certain polymers are being developed which are broken down rapidly by microorganisms. Shalini feels relaxed that such kinds of biomaterials are being developed. (a) Name the class of these useful polymers which do not harm the environment. (b) Give any one example of the ...
Chemistry - CBSE Academic
... themselves. In view of this, certain polymers are being developed which are broken down rapidly by microorganisms. Shalini feels relaxed that such kinds of biomaterials are being developed. (a) Name the class of these useful polymers which do not harm the environment. (b) Give any one example of the ...
... themselves. In view of this, certain polymers are being developed which are broken down rapidly by microorganisms. Shalini feels relaxed that such kinds of biomaterials are being developed. (a) Name the class of these useful polymers which do not harm the environment. (b) Give any one example of the ...
Chapter 6
... 1. An atom in its elemental state has an oxidation number of zero. 2. An atom in a monatomic ion has an oxidation number identical to its charge. ...
... 1. An atom in its elemental state has an oxidation number of zero. 2. An atom in a monatomic ion has an oxidation number identical to its charge. ...
Chemical Reactions PPT
... Also known as _burning_. Always follows the same form: Compound containing C and H (& sometimes O) + O2 CO2 + H2O Note: In a combustion reaction, the compound always burns in oxygen gas and always releases carbon dioxide and water. ...
... Also known as _burning_. Always follows the same form: Compound containing C and H (& sometimes O) + O2 CO2 + H2O Note: In a combustion reaction, the compound always burns in oxygen gas and always releases carbon dioxide and water. ...
Chemical Reactions - thsicp-23
... Many of these 5 types of reactions are also oxidation-reduction reactions Oxidation: Loss of electrons Reduction: Gain of electrons ...
... Many of these 5 types of reactions are also oxidation-reduction reactions Oxidation: Loss of electrons Reduction: Gain of electrons ...
Rxn Pred students
... In theory, E° values (Standard Reduction Potentials) can be used to predict which element will plate out at a particular electrode when various ...
... In theory, E° values (Standard Reduction Potentials) can be used to predict which element will plate out at a particular electrode when various ...
9F Reactivity - Parrs Wood High School
... These substances contain hydrogen and carbon only. They burn in a plentiful supply of air to form carbon dioxide and water: hydrocarbon + oxygen → carbon dioxide + water The test for oxygen is that it relights a glowing splint. An input of energy from a flame or spark is needed to start the combusti ...
... These substances contain hydrogen and carbon only. They burn in a plentiful supply of air to form carbon dioxide and water: hydrocarbon + oxygen → carbon dioxide + water The test for oxygen is that it relights a glowing splint. An input of energy from a flame or spark is needed to start the combusti ...
4 • Reactions In Aqueous Solution
... equation for the reaction of washing soda, Na2CO3 and vinegar, HC2H3O2. ...
... equation for the reaction of washing soda, Na2CO3 and vinegar, HC2H3O2. ...
Types of Weathering
... absorbs sulfur oxides and nitrogen oxides. Through a series of chemical reactions these pollutants are converted into acids that are a cause of acid precipitation. ...
... absorbs sulfur oxides and nitrogen oxides. Through a series of chemical reactions these pollutants are converted into acids that are a cause of acid precipitation. ...
aq - FCS Physics and Chemistry
... Physical vs. Chemical Properties Substances are described by their physical and chemical properties Physical properties describe how it looks, smells and feels. No change in composition occurs! ex – color, odor, volume and state of matter Chemical properties describe the substances ability to form ...
... Physical vs. Chemical Properties Substances are described by their physical and chemical properties Physical properties describe how it looks, smells and feels. No change in composition occurs! ex – color, odor, volume and state of matter Chemical properties describe the substances ability to form ...
Le Chatelier`s Principle Quiz Answer Key
... If the statement is true, write "true"on your answer sheet. If it is false, change the underlined word or words to make the statement true and write the corrected answer on your answer sheet. NH4Cl(s) + heat NH3(g) + HCl(g) 5. The above reaction is exothermic. 6. The production of ammonia from amm ...
... If the statement is true, write "true"on your answer sheet. If it is false, change the underlined word or words to make the statement true and write the corrected answer on your answer sheet. NH4Cl(s) + heat NH3(g) + HCl(g) 5. The above reaction is exothermic. 6. The production of ammonia from amm ...
Exam I CHEM 1303.001 KEY FALL 2009 Part 1. Nomenclature. 10
... From the list below, which are strong acids? HCl H3PO4 HF H2SO4 HNO3 HCl, H2SO4, and HNO3 ONLY Silver, Ag, has two naturally occurring isotopes in an approximate 50:50 ratio. One of these isotopes has a mass of 108.90476 amu. Of the following, which one must be the other isotope? ...
... From the list below, which are strong acids? HCl H3PO4 HF H2SO4 HNO3 HCl, H2SO4, and HNO3 ONLY Silver, Ag, has two naturally occurring isotopes in an approximate 50:50 ratio. One of these isotopes has a mass of 108.90476 amu. Of the following, which one must be the other isotope? ...
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.