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What is the rate of polymerization at a specific temperature and monomer concentration for a vinyl monomer using a free radical mechanism?
asked
Feb 22
in
Polymer Chemistry
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votes
1
answer
29
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How does the mechanism of excited state dynamics differ in isolated molecules versus molecules in a solution environment, and what insights can be gained from ab initio calculations in studying these differences?
asked
Feb 20
in
Computational Chemistry
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votes
1
answer
29
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How does the coordination chemistry of metalloenzymes and metalloproteins affect their catalytic activity? Provide a detailed explanation with examples.
asked
Feb 19
in
Coordination Chemistry
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1
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48
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How does the coordination chemistry of heme iron in hemoglobin and myoglobin affect the binding and release of oxygen?
asked
Feb 19
in
Coordination Chemistry
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1
answer
37
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How does the chemical structure of phosphorescent materials affect their photochemical properties such as lifetime, quantum yield, and emission spectrum?
asked
Feb 18
in
PhotoChemistry
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1
answer
35
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How does the distribution of aluminum and silicon atoms affect the acidity of zeolite catalysts in the conversion of methanol to hydrocarbons?
asked
Feb 17
in
Computational Chemistry
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1
answer
28
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What is the difference between primary, secondary, and tertiary amines? Provide an example of each one and explain how their properties and reactivity vary.
asked
Feb 14
in
Organic Chemistry
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1
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40
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What is the percent yield of a chemical reaction if 50 grams of reactant A were used and 35 grams of product B were obtained, given that the balanced equation for the reaction is:2A + 3B --> 4Cand the theoretical yield of product B is 45 grams?
asked
Feb 14
in
Chemical reactions
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1
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64
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How can we enhance the sensitivity and selectivity of a polymer-based sensor for detecting a specific analyte?
asked
Feb 13
in
Polymer Chemistry
0
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1
answer
73
views
How do different ligands affect the photochemical properties of metal complexes?
asked
Feb 12
in
PhotoChemistry
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1
answer
41
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How can the critical temperature and critical magnetic field of a superconducting material be determined through experimental measurements and analysis of its properties?
asked
Feb 6
in
Materials Chemistry
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1
answer
54
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How can the Bond Valence Method be applied to predict the crystal structure of inorganic solids?
asked
Feb 6
in
Inorganic Chemistry
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1
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50
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How can quantum computers be used to solve chemistry problems more efficiently than classical computers? Specifically, investigate the application of quantum algorithms to compute molecular energies and properties. Compare and contrast the accuracy and speed of quantum and classical methods for these calculations.
asked
Feb 5
in
Quantum Chemistry
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1
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128
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What is the concentration of a copper (II) sulfate solution if its absorbance is measured to be 0.25 using a spectrophotometer with a 1 cm cuvette and a wavelength of 620 nm, assuming a molar absorptivity of 5,400 M^-1cm^-1?
asked
Jan 30
in
Analytical Chemistry
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1
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65
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Calculate the heat of formation of carbon dioxide (CO2) given the following information: heat of formation of C(graphite) = 0 kJ/mol, heat of formation of O2(g) = 0 kJ/mol, and heat of combustion of graphite = -393.5 kJ/mol.
asked
Jan 23
in
Chemical bonding
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1
answer
69
views
A student wants to calculate the standard cell potential for a galvanic cell that consists of a silver electrode and a copper electrode. The silver electrode has a silver ion concentration of 0.05 M and the copper electrode has a copper ion concentration of 0.1 M. What is the standard cell potential for this cell?
asked
Jan 22
in
Physical Chemistry
0
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1
answer
98
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What is the primary drive in the drive reduction theory of motivation?
asked
Jan 20
in
Psychology
0
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1
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148
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How does the biological theory explain human behaviour?
asked
Jan 20
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Psychology
0
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1
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165
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Why might a therapist use rational-emotive behaviour therapy?
asked
Jan 17
in
Psychology
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1
answer
57
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When was the psychodynamic perspective developed?
asked
Jan 16
in
Psychology
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