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What is the diffusion coefficient of oxygen in air at room temperature (25°C) and standard atmospheric pressure (1 atm)? How does this compare to the diffusion coefficient of water vapor in air under the same conditions?

asked Feb 19 in Physical Chemistry by AntoinetteWo (2.0k points)

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What is the effect of cross-linking density on the swelling behavior of a polymer-based superabsorbent material?

asked Feb 19 in Polymer Chemistry by FrancescaTor (2.0k points)

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How does the coordination number of a transition metal affect the properties of the resulting complex?

asked Feb 19 in Coordination Chemistry by DelilahKyte3 (1.8k points)

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How does the crystallization rate and morphology of a polymer change with changes in processing conditions such as cooling rate, pressure, and concentration of the polymer solution?

asked Feb 19 in Polymer Chemistry by MarkusOrdone (1.9k points)

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How does the degree of conjugation in a polymer affect its electronic and optical properties, and how can this be calculated using quantum chemistry methods?

asked Feb 19 in Quantum Chemistry by NiklasCave18 (1.6k points)

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What is the coordination number of a compound with formula [Fe(H2O)6]3+ and what is the geometry of the complex?

asked Feb 19 in Coordination Chemistry by ShadStansbur (1.8k points)

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How does the coordination of metal ions to enzymes and proteins affect their catalytic activity? Give examples of metalloenzymes and metalloproteins and explain their structural and functional roles in biological systems.

asked Feb 19 in Coordination Chemistry by FinleyConsta (2.4k points)

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What is the coordination number and geometry of [Fe(H2O)6]2+ complex ion? Give detailed reasons for your answer.

asked Feb 19 in Coordination Chemistry by FelicitasVas (2.1k points)

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How does the coordination of metal ions affect the structure and function of metalloenzymes and metalloproteins? Provide specific examples and explain the role of coordination in enzyme catalysis.

asked Feb 19 in Coordination Chemistry by DUPMathias4 (2.1k points)

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How does the coordination environment around the metal ion in a metalloenzyme affect its catalytic activity towards a specific substrate? Provide a detailed analysis of the coordination chemistry of at least one metalloenzyme and its role in catalysis.

asked Feb 19 in Coordination Chemistry by FrancisGepp5 (1.8k points)

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How does the coordination of metal ions affect the catalytic activity of metalloenzymes and metalloproteins? Provide specific examples and discuss the possible mechanisms involved.

asked Feb 19 in Coordination Chemistry by LinCheatham (2.0k points)

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What is the coordination number and structure for the complex [UO2(C2O4)(H2O)2]2-? How does the size of the ligands affect the coordination number and structure of the complex for lanthanide and actinide ions?

asked Feb 19 in Coordination Chemistry by MerissaStins (1.8k points)

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What is the effect of different photosensitizers (e.g. porphyrins, phthalocyanines) on the rate of the photochemical reaction of a specific compound (e.g. benzophenone) and what factors influence this effect?

asked Feb 19 in PhotoChemistry by Vernell30C7 (2.5k points)

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How does the chemical structure and composition of polymer-based packaging materials affect their biodegradability and environmental impact?

asked Feb 18 in Polymer Chemistry by CherylDooley (1.7k points)

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What is the effect of changing the concentration of reactants on the reaction rate in the reaction between sodium thiosulphate and hydrochloric acid?

asked Feb 19 in Chemical kinetics by ForrestPilpe (1.8k points)

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What is the critical micelle concentration of sodium dodecyl sulfate in an aqueous solution at a temperature of 25°C?

asked Feb 19 in Surface Chemistry by MerryGoodsel (1.9k points)

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What is the coordination number of the metal ion in the active site of the metalloenzyme carbonic anhydrase? And how does the coordination number affect the catalytic activity of the enzyme?

asked Feb 19 in Coordination Chemistry by JordanHering (2.2k points)

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What is the coordination geometry of the metal ion in the active site of the metalloenzyme carbonic anhydrase and how does it facilitate the enzymatic reaction of converting carbon dioxide to bicarbonate ion?

asked Feb 19 in Coordination Chemistry by ClementMackr (2.5k points)

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What is the effect of crosslinking density on the adhesive and mechanical properties of a polyurethane-based adhesive?

asked Feb 19 in Polymer Chemistry by SoniaFanny4 (2.3k points)

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What is the critical micelle concentration (CMC) and how does it vary with temperature and the nature of surfactants? Investigate and compare the CMC of two different surfactants and analyze the factors that affect their behavior during micelle formation.

asked Feb 19 in Surface Chemistry by DomenicAsbur (2.1k points)

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