and octa-substituted gallium and indium phthalocyanines
... derivatives of increased solubility have been obtained using substituents such as alkyl, alkoxy, alkylthio chains and bulky groups. Peripheral substitution with bulky groups or long alkyl, alkoxy or alkylthio chains leads to phthalocyanine products which are soluble in apolar solvents. Sulfo or quat ...
... derivatives of increased solubility have been obtained using substituents such as alkyl, alkoxy, alkylthio chains and bulky groups. Peripheral substitution with bulky groups or long alkyl, alkoxy or alkylthio chains leads to phthalocyanine products which are soluble in apolar solvents. Sulfo or quat ...
Chapter 12 Oxidation-Reduction Reactions
... Strengths of Metal Atoms and Ions By observing whether reactions occur between solid metals and metal ions in solution, you can determine the order of oxidizing and reducing agents according to strength. Question How can the presence or absence of a reaction provide information about the relative st ...
... Strengths of Metal Atoms and Ions By observing whether reactions occur between solid metals and metal ions in solution, you can determine the order of oxidizing and reducing agents according to strength. Question How can the presence or absence of a reaction provide information about the relative st ...
Theory of Ion Exchange
... CA (log kd"log (kA/BQ)!log CB) is that CA CB/kA/B. Thus, even if CA CB, the dependence may not be linear if the selectivity coefRcient is very large. This feature of kd is shown as calculated examples in Figure 2. It can be seen that, if the selectivity coefRcient is low, kd falls linearly with the ...
... CA (log kd"log (kA/BQ)!log CB) is that CA CB/kA/B. Thus, even if CA CB, the dependence may not be linear if the selectivity coefRcient is very large. This feature of kd is shown as calculated examples in Figure 2. It can be seen that, if the selectivity coefRcient is low, kd falls linearly with the ...
m5zn_1ed95c16cede0b1
... The pH of solution is the negative logarithm of the hydronium ion concentration. That is: pH = - log[H+] Hence if H+ concentration is 1 x 10-3 then pH = 3 Acidic solutions are defined to have pH < 7 Basic (alkaline) solutions are defined to have pH > 7 Neutral solutions are those with pH = 7.00 exac ...
... The pH of solution is the negative logarithm of the hydronium ion concentration. That is: pH = - log[H+] Hence if H+ concentration is 1 x 10-3 then pH = 3 Acidic solutions are defined to have pH < 7 Basic (alkaline) solutions are defined to have pH > 7 Neutral solutions are those with pH = 7.00 exac ...
Efficient Homogeneous Catalysis in the Reduction of CO to CO
... mixture (Figure 3a). When labeled CO2 is used as the limiting reagent, in the presence of ca. 2 mol % of precatalyst 1, the 13C NMR spectrum indicates complete consumption of CO2, with CO representing the sole significant product (Figure 3b). In the absence of copper catalyst, under otherwise identi ...
... mixture (Figure 3a). When labeled CO2 is used as the limiting reagent, in the presence of ca. 2 mol % of precatalyst 1, the 13C NMR spectrum indicates complete consumption of CO2, with CO representing the sole significant product (Figure 3b). In the absence of copper catalyst, under otherwise identi ...
IMPACT OF TRANSITION METALS IN THE FREE–RADICAL
... serve as a bridge between the biomolecule and oxygen. The “flexibility” of iron refers not only to its ability to vary the oxidation state, but also to its capacity of modifying the electronic spin properties and the relative redox potential in response to the interaction with different coordinating ...
... serve as a bridge between the biomolecule and oxygen. The “flexibility” of iron refers not only to its ability to vary the oxidation state, but also to its capacity of modifying the electronic spin properties and the relative redox potential in response to the interaction with different coordinating ...
this PDF file
... imprinted silica particles were prepared using IDA as metal chelating agent and copper as metal ion in the presence of (3-Aminopropyl)triethoxysilane (APTES) [38]. It was shown that PSA-MIP demonstrates highly specific recognition for template molecule in comparison with NIP and MIP-no metal ion coo ...
... imprinted silica particles were prepared using IDA as metal chelating agent and copper as metal ion in the presence of (3-Aminopropyl)triethoxysilane (APTES) [38]. It was shown that PSA-MIP demonstrates highly specific recognition for template molecule in comparison with NIP and MIP-no metal ion coo ...
practice test 4 CHM 112
... 2. Alloys of iron that contain 1.0-1.5% carbon and some manganese, phosphorus, silicon, and sulfur are called A. steel. B. cast iron. C. coke. D. pig iron. E. hematite. ...
... 2. Alloys of iron that contain 1.0-1.5% carbon and some manganese, phosphorus, silicon, and sulfur are called A. steel. B. cast iron. C. coke. D. pig iron. E. hematite. ...
Document
... What Happens When an Acid Dissolves in Water? Water acts as a BrønstedLowry base and abstracts a proton (H+) from the acid. As a result, the conjugate base of the acid and a hydronium ion are formed. ...
... What Happens When an Acid Dissolves in Water? Water acts as a BrønstedLowry base and abstracts a proton (H+) from the acid. As a result, the conjugate base of the acid and a hydronium ion are formed. ...
IJCA 42A(9) 2175-2184
... Interest in elucidating or mimicking the physicochemical properties of metalloproteins has led to spurring activity in the synthesis of numerous interesting coordination complexes. However, recently there has been an increased emphasis upon functional modelling of proteins. While the structural and ...
... Interest in elucidating or mimicking the physicochemical properties of metalloproteins has led to spurring activity in the synthesis of numerous interesting coordination complexes. However, recently there has been an increased emphasis upon functional modelling of proteins. While the structural and ...
Reactions and Solutions - Louisiana Tech University
... dissolves like"), the temperature, and, for solutions of gases, the pressure. A saturated solution contains all the solute that can be dissolved at a particular temperature. A supersaturated solution is an unstable condition that occurs when more than the theoretical amount of solute is temporarily ...
... dissolves like"), the temperature, and, for solutions of gases, the pressure. A saturated solution contains all the solute that can be dissolved at a particular temperature. A supersaturated solution is an unstable condition that occurs when more than the theoretical amount of solute is temporarily ...
CHEM 1212 Module Ten-Chapter 16 Name
... __________________ 4. The _______ _________ Q is obtained by by applying the law of mass action using the initial concentrations of both the reactants and the products instead of the equilibrium concentration so as to determine the direction of the equilibrium shift. ___________________5. __________ ...
... __________________ 4. The _______ _________ Q is obtained by by applying the law of mass action using the initial concentrations of both the reactants and the products instead of the equilibrium concentration so as to determine the direction of the equilibrium shift. ___________________5. __________ ...
Document
... Working with Gases – KP • Mixtures of gases are solutions as are mixtures with liquids. • With gases it is more convenient to use KP, which is based upon partial pressures of gases (Chapter 6), than the concentration based KC. ...
... Working with Gases – KP • Mixtures of gases are solutions as are mixtures with liquids. • With gases it is more convenient to use KP, which is based upon partial pressures of gases (Chapter 6), than the concentration based KC. ...
Slide 1
... The Jahn-Teller effect is more pronounced when the former eg level is not completely filled (1 > 2), that is for configurations d4 (high spin), d7 (low spin) and d9. In these cases a static Jahn-Teller effect can be observed and the species of D4h symmetry can exist in a solid phase. ...
... The Jahn-Teller effect is more pronounced when the former eg level is not completely filled (1 > 2), that is for configurations d4 (high spin), d7 (low spin) and d9. In these cases a static Jahn-Teller effect can be observed and the species of D4h symmetry can exist in a solid phase. ...
Chemical Reactions
... solid, (s). For a precipitation reaction to occur, at least one of the products must be insoluble; if both products are soluble, then no reaction occurs. The presence of a precipitate is observed in the lab as a cloudy mixture that results when two solutions are mixed. The following is an example of ...
... solid, (s). For a precipitation reaction to occur, at least one of the products must be insoluble; if both products are soluble, then no reaction occurs. The presence of a precipitate is observed in the lab as a cloudy mixture that results when two solutions are mixed. The following is an example of ...
Chemical Thermodynamics - Winona State University
... the synthesis of ammonia at 298 K. [ΔHorxn = -92.38 kJ/mol] Srxn = -198.7 J mol-1 K-1 . Calculate the Gibbs Free Energy change for the reaction. Answer for Suniv ...
... the synthesis of ammonia at 298 K. [ΔHorxn = -92.38 kJ/mol] Srxn = -198.7 J mol-1 K-1 . Calculate the Gibbs Free Energy change for the reaction. Answer for Suniv ...
Notes Set 1
... 2. Can aluminum foil immersed in an electrolyte solution be used to restore the lustre of silverware? Show the balanced equations and the cell potential for the overall reaction. ( assume 1M solutions for all reactants). 3. When silver metal ia placed in 1 M HCl solution under standard conditions, t ...
... 2. Can aluminum foil immersed in an electrolyte solution be used to restore the lustre of silverware? Show the balanced equations and the cell potential for the overall reaction. ( assume 1M solutions for all reactants). 3. When silver metal ia placed in 1 M HCl solution under standard conditions, t ...
BIS(CYCLOPENTADIENYL TRANSITION METAL) COMPLEXES
... homolytic cleavage of the S-S bond may be involved in such processes. A similar bridge cleavage is part of a catalytic cycle in which SO, is reduced by (C,Me,),Mo,(SH),S, to give sulfur and water under mild conditions!’ An opening of the “closed” isomer A into the “open” isomers B and C can be obser ...
... homolytic cleavage of the S-S bond may be involved in such processes. A similar bridge cleavage is part of a catalytic cycle in which SO, is reduced by (C,Me,),Mo,(SH),S, to give sulfur and water under mild conditions!’ An opening of the “closed” isomer A into the “open” isomers B and C can be obser ...