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Recent activity by 73351052550
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What is the optimal reaction temperature and time required for the synthesis of nylon-6,6 from adipic acid and hexamethylenediamine to achieve maximum yield and purity?
asked
Feb 21
in
Chemical synthesis
1
answer
26
views
What is the most efficient method for synthesizing 2,4-dinitrophenol from phenol and nitric acid with a high yield?
asked
Feb 21
in
Chemical synthesis
1
answer
35
views
How does the electronic structure of metal ions affect the coordination chemistry of metallofullerenes and metalloclusters? Provide specific examples and experimental evidence supporting your answer.
answered
Feb 20
in
Coordination Chemistry
1
answer
36
views
How does the coordination chemistry of transition metals affect the biological activity of metal-containing compounds? Provide at least two examples of bioactive coordination compounds and discuss their potential applications in medicine or biotechnology.
asked
Feb 19
in
Coordination Chemistry
1
answer
28
views
What is the relationship between the conjugation length of a polymer and its optical properties, such as absorption and emission spectra? How can we calculate the excited states of conjugated polymers using quantum mechanical methods?
answered
Feb 19
in
Quantum Chemistry
1
answer
27
views
What is the effect of concentration and temperature on the conductivity of potassium chloride solution?
asked
Feb 19
in
Inorganic Chemistry
1
answer
33
views
What is the effect of the chemical structure and composition of photovoltaic materials on their ability to convert light energy to electrical energy?
asked
Feb 18
in
PhotoChemistry
1
answer
28
views
How does the change in the type of solvent affect the rate of a chemical reaction?
asked
Feb 18
in
Chemical kinetics
1
answer
32
views
What is the relationship between the arrangement of atoms in a crystal lattice and its physical properties, such as melting point and hardness? Provide a detailed explanation using examples from different crystal structures.
answered
Feb 17
in
Physical Chemistry
1
answer
49
views
What are the most effective photochemical degradation methods to remove pollutants, such as pesticides and industrial chemicals, from water and air in different environmental conditions?
answered
Feb 14
in
PhotoChemistry
1
answer
26
views
What is the role of metal ions in the structure and function of the metalloenzymes and metalloproteins and how do coordinative bonds between the metal ions and amino acid residues affect enzyme/protein activity?
asked
Feb 13
in
Coordination Chemistry
1
answer
42
views
How does the chirality of a molecule affect its photochemical properties in terms of absorption and emission spectra? Provide specific examples of chiral molecules and their corresponding spectra to support your answer.
asked
Feb 12
in
PhotoChemistry
1
answer
38
views
What are the effects of chirality on the photochemical properties of a molecule and how can these effects be utilized for applications such as asymmetric synthesis or molecular sensors?
asked
Feb 12
in
PhotoChemistry
1
answer
57
views
How can the stability of an emulsion be improved using a specific surfactant?
answered
Feb 10
in
Surface Chemistry
1
answer
38
views
How can the efficiency of the production process of paints and coatings be improved while minimizing the negative impact on the environment?
asked
Feb 7
in
Chemical engineering
1
answer
52
views
How can the efficiency of the process for the production of nitrogen gas be improved without compromising the purity of the final product?
answered
Feb 7
in
Chemical engineering
1
answer
31
views
How can Fourier Transform Infrared Spectroscopy (FTIR) be used to identify different functional groups present in a polymer sample and how can the information obtained from FTIR spectra assist in characterization of the polymer?
answered
Feb 5
in
Polymer Chemistry
1
answer
28
views
Design an antibiotic to specifically target gram-negative bacteria using principles of medicinal chemistry.
answered
Feb 4
in
Medicinal Chemistry
1
answer
75
views
Calculate the standard enthalpy change for the vaporization reaction of 2.00 moles of water at 100°C and 1 atm pressure, given that the molar enthalpy of vaporization of water is 40.7 kJ/mol.
asked
Feb 3
in
Chemical thermodynamics
1
answer
114
views
Calculate the standard electrode potential for the following reaction: Cu(s) + 2Ag+(aq) → Cu2+(aq) + 2Ag(s)Given: Standard reduction potential for Ag+ + e- → Ag is 0.80 VStandard reduction potential for Cu2+ + 2e- → Cu is 0.34 V
asked
Feb 3
in
ElectroChemistry
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