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How does the size and shape of a molecule or nanoscale system affect its electrical conductivity, and what are the quantum mechanical principles governing this behavior?
asked
Feb 24
in
Quantum Chemistry
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votes
1
answer
37
views
How does the primary structure of a protein affect its overall function and properties? Provide specific examples of how changes in the amino acid sequence can impact the protein's behavior.
asked
Feb 22
in
BioChemistry
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votes
1
answer
39
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How does the photochemical property of a dye or pigment affect its ability to bleach or fade when exposed to sunlight? Use specific examples to explain the underlying photochemical reactions involved.
asked
Feb 22
in
PhotoChemistry
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votes
1
answer
31
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What is the molecular geometry and bond angle of a water molecule?
asked
Feb 21
in
Quantum Chemistry
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1
answer
30
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What is the interrelationship between the temperature and surface tension of a liquid? How does the temperature of a liquid affect the surface tension? Explain the method to measure surface tension using the capillary rise method.
asked
Feb 20
in
Surface Chemistry
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33
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What is the bond dissociation energy of the H2 molecule in kilojoules per mole? Given that the H2 molecule has a bond length of 0.74 Angstroms and the energy required to dissociate one mole of H2 into hydrogen atoms is 436 kJ/mol.
asked
Feb 18
in
Chemical bonding
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1
answer
34
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What is the synthesis mechanism and chemical properties of pyridine?
asked
Feb 14
in
Organic Chemistry
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1
answer
69
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How can we increase diversity in the chemistry field to ensure that more underrepresented groups have equal access to opportunities and resources, and promote a more inclusive and equitable environment within the chemistry community?
asked
Feb 13
in
Chemical education
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votes
1
answer
32
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What specific biomaterial properties should be considered and investigated for their potential use in tissue engineering, and how can these properties be optimized to enhance tissue regeneration and integration?
asked
Feb 13
in
Materials Chemistry
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votes
1
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110
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What are the type of hybrid orbitals present in the molecule ethene (C2H4) and what is the bond angle between the carbon atoms?
asked
Feb 13
in
Chemical bonding
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votes
1
answer
32
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How can we design a chemical engineering system for the production of cosmetics that maximizes product yield while minimizing waste and ensuring product purity and safety? What specific chemical processes and equipment are required for this system?
asked
Feb 12
in
Chemical engineering
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1
answer
46
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How can the presence of heavy metals such as lead and mercury be detected and quantified in soil and water samples using analytical chemistry techniques, and what are the potential risks and impacts of these contaminants on human health and the environment?
asked
Feb 10
in
Environmental Chemistry
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1
answer
36
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How can computational chemistry and molecular modeling methods be used to predict the properties of a new drug molecule, such as its solubility, stability, and effectiveness in treating a specific disease? Specifically, how do molecular optimization techniques like ligand docking and quantum chemical calculations aid in the design and development of safe and efficacious drugs?
asked
Feb 6
in
Physical Chemistry
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1
answer
102
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How effective are current environmental regulations in protecting air quality from industrial pollution in the United States?
asked
Jan 31
in
Environmental Chemistry
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votes
1
answer
83
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Calculate the mass of silver (Ag) that will be deposited on the cathode during electrolysis if a current of 2.5 A is passed through a solution of silver nitrate (AgNO3) for 3 hours.
asked
Jan 23
in
ElectroChemistry
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votes
1
answer
102
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Who coined the term 'third variable problem'?
asked
Jan 20
in
Psychology
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1
answer
47
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When might psychoanalysis be used as a form of therapy?
asked
Jan 20
in
Psychology
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1
answer
54
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How did Benjamin Libet's experiment challenge our understanding of free will?
asked
Jan 20
in
Psychology
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votes
1
answer
102
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According to the behavioral economics approach, what is the role of incentives in decision-making?
asked
Jan 17
in
Psychology
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1
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49
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How did H.M.'s surgery affect his memory?
asked
Jan 17
in
Psychology
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