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1
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What is the relationship between the crystal structure and the electronic and optical properties of perovskite materials, and how can this be modeled using quantum chemistry calculations?
asked
Feb 24
in
Quantum Chemistry
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votes
1
answer
26
views
How does the change in the polarity of the solvent affect the rate of the reaction between sodium hydroxide and hydrochloric acid?
asked
Feb 22
in
Chemical kinetics
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1
answer
31
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What is the mechanism behind the pinacol-pinnacolone rearrangement and how does it relate to the stereochemistry of the reactants and products? Provide specific examples and discuss the factors that influence the reaction rate and product yield.
asked
Feb 22
in
Organic Chemistry
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votes
1
answer
34
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How does the coordination chemistry of iron in hemoglobin facilitate the binding of oxygen and carbon dioxide?
asked
Feb 19
in
Coordination Chemistry
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1
answer
34
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How does the concentration and type of dopant affect the electrical conductivity of graphene and what are the practical implications for its use in electronic devices?
asked
Feb 18
in
Materials Chemistry
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1
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43
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What factors determine the bond strength of a molecule and how can we predict its bond strength using those factors? Give an example of a molecule with a weak bond and a molecule with a strong bond, and explain why their bond strengths differ.
asked
Feb 18
in
Chemical bonding
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1
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43
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Identify the type of bonding present in Sodium Chloride (NaCl) and explain why it behaves as a strong electrolyte when dissolved in water.
asked
Feb 14
in
Chemical bonding
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1
answer
46
views
What is the role of molecular chaperones in protein folding? How do different classes of chaperones function to enable the proper folding of a protein? Please explain the processes involved in protein synthesis and folding with the help of examples.
asked
Feb 13
in
BioChemistry
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votes
1
answer
64
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What is the impact of landfill leachate on groundwater quality in the surrounding area, and how can this impact be mitigated using chemical processes?
asked
Feb 13
in
Environmental Chemistry
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1
answer
117
views
How does genetic variation influence the metabolism and efficacy of anti-cancer drugs in different patient populations?
asked
Feb 13
in
Medicinal Chemistry
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votes
1
answer
52
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How do chlorofluorocarbons (CFCs) break down ozone molecules and what is the mechanism of this process?
asked
Feb 12
in
Environmental Chemistry
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votes
1
answer
31
views
How can chemistry educators make the subject more engaging and interesting for students who lack interest in the subject?
asked
Feb 4
in
Chemical education
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votes
1
answer
31
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How can benzyl chloride and ammonia be reacted to synthesize phenylalanine, and what are the specific conditions (such as temperature and pressure) required for this reaction to occur?
asked
Feb 4
in
Chemical synthesis
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votes
1
answer
109
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How does the molecular structure of water change as the temperature and pressure vary? Use quantum mechanics to explain the changes in bond lengths and angles.
asked
Jan 31
in
Physical Chemistry
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1
answer
99
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Using ab initio calculations, determine the dipole moment of water (H2O) molecule and compare it with the experimental value.
asked
Jan 30
in
Computational Chemistry
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1
answer
70
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How can capillary electrophoresis be used to analyze the composition of a mixture containing cations and anions? Develop a method for separating and quantifying the components of the mixture using capillary electrophoresis, and interpret the resulting data to determine the identities and concentrations of each component in the sample.
asked
Jan 29
in
Analytical Chemistry
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1
answer
62
views
Calculate the corrosion current density for a zinc-copper galvanic couple, with a surface area of 10 cm² each, immersed in a 0.1 M copper sulfate solution and a 0.1 M zinc sulfate solution, respectively. Given that the exchange current density for the zinc and copper electrodes are 0.0035 A/cm² and 0.1184 A/cm², respectively, What will be the corrosion rate for the zinc electrode in micrometers per year?
asked
Jan 23
in
ElectroChemistry
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votes
1
answer
80
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What is the solubility of calcium chloride in water at 25°C, knowing that its solubility product constant (Ksp) is 1.98 × 10^-5?
asked
Jan 21
in
Inorganic Chemistry
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1
answer
38
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Why is Harman's theory of moral development important?
asked
Jan 17
in
Psychology
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votes
1
answer
112
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According to the cognitive theory, what is anxiety?
asked
Jan 17
in
Psychology
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