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User EmilyUtley95
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What is the optimum ratio of p-aminobenzoic acid to ethanol in the preparation of benzocaine with maximum yield?
answered
3 days
ago
in
Chemical synthesis
1
answer
23
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What is the equilibrium constant (Kc) expression for the reaction N2(g) + O2(g) ⇌ 2NO(g)? If the initial concentrations for N2, O2, and NO are 0.25 M, 0.15 M, and 0.05 M, respectively, what is the value of Kc for the reaction at equilibrium?
asked
5 days
ago
in
Physical Chemistry
1
answer
25
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What is the effect of varying the size and shape of a catalytic active site on the energy barrier of a specific catalytic reaction using Density functional theory calculations?
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5 days
ago
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Computational Chemistry
1
answer
25
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What is the effect of temperature on the solubility of salt in water? Provide experimental evidence to explain your answer.
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5 days
ago
in
Physical Chemistry
1
answer
37
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How does the disposal of heavy metals from industrial waste affect the acidity levels of nearby water bodies, and what are the potential consequences for aquatic life and human health?
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6 days
ago
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Environmental Chemistry
1
answer
17
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What is the coordination number and geometry of the complex formed between Cu2+ and ethylenediamine (en)?
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6 days
ago
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Coordination Chemistry
1
answer
15
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How does the coordination chemistry of metalloproteins and enzymes influence their functions in biological processes?
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6 days
ago
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Coordination Chemistry
1
answer
23
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What factors affect the conductivity of semiconductors and how can they be optimized for use in electronic devices?
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6 days
ago
in
Materials Chemistry
1
answer
7
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How does the compatibility of two polymers affect the mechanical properties of their blend?
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Feb 18
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Polymer Chemistry
1
answer
21
views
What is the effect of pH on the adsorption of bovine serum albumin (BSA) on gold nanoparticles?
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Feb 17
in
Surface Chemistry
1
answer
32
views
How can we predict the electronic and magnetic properties of specific metal-organic frameworks and their potential applications in catalysis, energy storage, and gas separation?
answered
Feb 14
in
Quantum Chemistry
1
answer
38
views
What are the different resonance structures for an ozone (O₃) molecule? How do these structures contribute to the stability of the molecule?
answered
Feb 14
in
Chemical bonding
1
answer
47
views
How does excess nitrogen and phosphorus pollution impact the water quality of a local freshwater ecosystem, and what are some potential chemical solutions that could be implemented to mitigate these negative effects?
asked
Feb 13
in
Environmental Chemistry
1
answer
43
views
How can the physical and chemical properties of polymeric drug delivery systems be optimized to increase drug effectiveness while minimizing side effects?
asked
Feb 10
in
Polymer Chemistry
1
answer
19
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How can the parameters of the synthesis process be optimized to produce carbon nanotubes with specific properties, such as diameter, length, and chirality, for different applications in materials science and engineering?
answered
Feb 10
in
Materials Chemistry
1
answer
34
views
How can chemistry educators and institutions address the limited availability of textbooks and resources in low-income communities to improve access to quality education and opportunities for students to pursue careers in chemistry?
asked
Feb 4
in
Chemical education
1
answer
48
views
Given a certain electrochemical reaction, the anodic and cathodic Tafel slopes were found to be 60 mV/decade and 100 mV/decade, respectively. Calculate the exchange current density of the reaction.
answered
Feb 4
in
ElectroChemistry
1
answer
30
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Calculate the standard enthalpy change for the following reaction involving solids at 298 K:Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) Given the following standard enthalpies of formation in kJ/mol: Fe2O3(s) = -825.5 Fe(s) = 0CO2(g) = -393.5 CO(g) = -110.5
asked
Feb 3
in
Chemical thermodynamics
1
answer
50
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Calculate the reaction quotient, Qc, for the reaction: 2 NO2 (g) + Cl2 (g) ⇌ 2 NO2Cl (g)At a certain temperature, the concentrations were found to be: [NO2] = 0.15 M, [Cl2] = 0.20 M, and [NO2Cl] = 0.10 M.Is the reaction at equilibrium? If not, which direction would the reaction proceed to reach equilibrium?
asked
Feb 3
in
Chemical thermodynamics
1
answer
47
views
How do chaperone proteins assist in the folding of newly synthesized proteins, and what are the consequences of improper protein folding?
answered
Feb 3
in
BioChemistry
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