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What are the key factors that affect the refractive index and dispersion properties of glasses used for optical purposes and how can these properties be controlled and optimized through material synthesis and processing?
asked
Feb 24
in
Materials Chemistry
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votes
1
answer
37
views
What is the predicted molecular geometry of a molecule with the chemical formula CO2?
asked
Feb 22
in
Chemical bonding
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1
answer
37
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What are the photochemical properties of transition metal complexes and how do they affect their reactivity towards light?
asked
Feb 22
in
PhotoChemistry
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1
answer
33
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What is the optimal temperature and concentration of nitric acid required for the successful preparation of 2,4-dinitrophenol from phenol via nitration? How does changing these parameters affect the yield and purity of the final product?
asked
Feb 21
in
Chemical synthesis
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votes
1
answer
32
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How does the addition of a specific catalyst affect the reaction rate of the decomposition of hydrogen peroxide?
asked
Feb 17
in
Chemical kinetics
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1
answer
64
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What is the identification of a compound using IR spectroscopy? Provide a specific example of how IR spectroscopy can be used to distinguish between two isomers.
asked
Feb 13
in
Organic Chemistry
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1
answer
63
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How do different ligands affect the electronic and magnetic properties of transition metal complexes?
asked
Feb 12
in
Quantum Chemistry
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votes
1
answer
67
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How can the stability and porosity of a coordination polymer or metal-organic framework be systematically tuned and controlled for targeted applications in drug delivery or gas storage?
asked
Feb 10
in
Coordination Chemistry
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votes
1
answer
36
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How can a chemistry student prepare phenylalanine from benzyl chloride and ammonia? What is the step-by-step process involved in the synthesis and what are the necessary reagents and conditions required for the reaction to take place? How can the purity of the obtained phenylalanine be determined and what are the potential sources of error in the experiment?
asked
Feb 4
in
Chemical synthesis
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1
answer
67
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Given the balanced equation for the electrochemical reaction: Cu(s) + 2AgNO3(aq) → Cu(NO3)2(aq) + 2Ag(s)Calculate the number of electrons transferred per copper atom during this reaction when a current of 5.00 A is passed for 6.00 minutes through a cell containing a copper electrode and a silver electrode with a silver ion concentration of 0.100 M.
asked
Feb 4
in
ElectroChemistry
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votes
1
answer
83
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Design a drug that could potentially treat Type 2 Diabetes by targeting an enzyme or transport protein involved in glucose metabolism. Consider the pharmacokinetics and pharmacodynamics of the drug and include a detailed mechanism of action.
asked
Feb 4
in
Medicinal Chemistry
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1
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78
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How can X-ray diffraction be used to determine the crystalline structure and composition of a sample? Provide a step-by-step procedure for using this technique to analyze a given sample and interpret the resulting diffraction pattern.
asked
Jan 30
in
Analytical Chemistry
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1
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59
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Calculate the magnetic properties (magnetic dipole moment, total angular momentum, and g-tensor) of a water molecule using quantum chemical methods and compare them with the experimental values.
asked
Jan 23
in
Quantum Chemistry
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0
answers
60
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A chemical plant has a mixture of ethanol and water with a known composition. The plant wants to separate the mixture using a distillation column. As a chemistry student, design a feasible distillation column that can effectively separate the mixture with the given composition. You need to specify the height, diameter, number of trays, reflux ratio, and other necessary parameters needed for designing the column. You are also required to provide an explanation for the choice of each parameter.
asked
Jan 22
in
Psychology
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votes
1
answer
41
views
What is a phoneme?
asked
Jan 20
in
Psychology
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votes
1
answer
82
views
What is the difference between major depression and dysthymia?
asked
Jan 20
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Psychology
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1
answer
39
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What is the role of cue exposure therapy in drug addiction treatment?
asked
Jan 17
in
Psychology
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1
answer
63
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Who proposed the idea of the 'personal fable'?
asked
Jan 17
in
Psychology
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1
answer
112
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Who developed the theory of fluid and crystallised intelligence?
asked
Jan 15
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Psychology
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1
answer
72
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How can caregivers support psychosocial development in children?
asked
Jan 14
in
Psychology
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