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What are the optimal conditions (temperature, length of reaction, concentration of reactants) for the preparation of 2,4,6-trinitrotoluene from toluene and nitric acid to achieve the highest yield possible?
answered
Feb 22
in
Chemical synthesis
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votes
76
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What is the maximum adsorption capacity (in moles per square meter) of a surface with a Langmuir adsorption isotherm when the equilibrium constant is 2 x 10^3 M^-1 and the concentration of adsorbate in solution is 5 x 10^-4 M?
answered
Feb 20
in
Surface Chemistry
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votes
75
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How do the electronic and molecular structures of a transition metal complex influence the absorption and emission spectra observed through UV-Vis and fluorescence spectroscopy techniques?
answered
Feb 20
in
Coordination Chemistry
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76
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How does the addition of specific elements affect the mechanical properties (such as strength and durability) of metal alloys used in aerospace applications, and how can this knowledge be used to optimize their performance?
answered
Feb 17
in
Materials Chemistry
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votes
86
views
What is the mechanism by which Nitration of Benzene occurs in organic chemistry, and what is the effect of varying the concentration of Nitric acid on the rate of reaction?
answered
Feb 13
in
Organic Chemistry
0
votes
132
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What is the role of luciferin and luciferase in the photochemical process of bioluminescent organisms and how do their properties contribute to the emission of light?
answered
Feb 13
in
PhotoChemistry
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101
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What is the effect of temperature on the conformational behavior of a polymer chain in a Monte Carlo simulation?
answered
Feb 13
in
Computational Chemistry
0
votes
89
views
How can the efficiency of the process for the production of fragrance be improved while minimizing environmental impact and reducing costs?
answered
Feb 7
in
Chemical engineering
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votes
90
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How can chemistry educators make the subject more engaging and interesting for students to increase their interest in the subject?
answered
Feb 4
in
Chemical education
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votes
166
views
Design a process for the production of a biodegradable detergent that is effective in removing stains from clothes and is environmentally friendly, using renewable resources for its production. The process should take into account the cost-effectiveness, safety, and quality of the final product.
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Feb 4
in
Chemical engineering
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114
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Consider an electrochemical cell with a copper metal electrode immersed in a solution of copper sulfate, and a platinum electrode in a solution of hydrogen sulfate. The current is measured at 25°C while the cell potential is varied. The following data is obtained for the anodic and cathodic currents:Anodic current:Cell potential (V): 0.20 0.30 0.40 0.50 0.60Current (mA): 1.01 1.80 3.04 4.58 6.25Cathodic current:Cell potential (V): -0.20 -0.30 -0.40 -0.50 -0.60Current (mA): -1.00 -1.79 -3.02 -4.54 -6.19Calculate the anodic and cathodic Tafel slopes for this electrochemical cell.
answered
Feb 3
in
ElectroChemistry
0
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65
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Who conducted the famous 'marshmallow experiment'?
answered
Jan 20
in
Psychology
0
votes
71
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What are some implications of cognitive load theory in teaching?
answered
Jan 20
in
Psychology
0
votes
105
views
How can self-determination theory be used for social change?
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Jan 17
in
Psychology
0
votes
98
views
Please compare the modular and distributed processing models.
answered
Jan 15
in
Psychology
0
votes
117
views
What is a research hypothesis?
answered
Jan 14
in
Psychology
0
votes
75
views
What is imprinting?
answered
Jan 14
in
Psychology
0
votes
52
views
What is the socio-cultural theory of language development?
answered
Jan 14
in
Psychology
0
votes
88
views
Would you find cells that contain a cell wall, a large central vacuole, and plastids in plant or animal cells?
answered
Jan 8
in
Science
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55
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What substance can be eroded by wind or water?
answered
Jan 7
in
Science
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