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What is the most efficient method for the preparation of 4-bromoacetanilide from acetanilide and bromine, and what are the optimization conditions required to achieve the highest yield and purity in the reaction?
asked
Feb 21
in
Chemical synthesis
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votes
1
answer
32
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What is the molecular geometry and bond angle of ammonia (NH3) using the VSEPR theory?
asked
Feb 21
in
Quantum Chemistry
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1
answer
36
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How does the concentration of lead in soil affect the growth of plants?
asked
Feb 19
in
Environmental Chemistry
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1
answer
33
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How does the presence of quantum coherence and entanglement in molecular systems affect their reactivity and stability at the nanoscale level?
asked
Feb 14
in
Quantum Chemistry
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votes
1
answer
34
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How to use Monte Carlo simulations to study the melting point of a certain metal or compound under various pressure conditions?
asked
Feb 13
in
Computational Chemistry
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1
answer
57
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What are the hybrid orbitals in the molecule CH4 and how do they contribute to the overall structure and bonding of the molecule?
asked
Feb 13
in
Chemical bonding
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1
answer
76
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How does the presence of fine particulate matter in the air contribute to the development of respiratory illnesses such as asthma and bronchitis in humans, and what chemical properties of these particles make them harmful to human health?
asked
Feb 13
in
Environmental Chemistry
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votes
1
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39
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How can technology be effectively integrated into teaching chemical concepts and practical applications in a way that enhances students' learning experience and understanding of chemistry?
asked
Feb 6
in
Chemical education
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1
answer
113
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What strategies can be implemented to overcome the limited availability of chemistry textbooks and resources for students in remote or underprivileged areas?
asked
Jan 30
in
Chemical education
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1
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75
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Calculate the enthalpy change of oxidation for the combustion of 1 mole of ethane gas (C₂H₆) in oxygen gas (O₂) to form carbon dioxide gas (CO₂) and water vapor (H₂O), given the following enthalpies of formation: ΔHf(C₂H₆) = -84.7 kJ/mol, ΔHf(CO₂) = -393.5 kJ/mol, ΔHf(H₂O) = -241.8 kJ/mol.
asked
Jan 23
in
ThermoChemistry
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votes
1
answer
51
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According to Transformational Theory, how does a leader foster engagement among followers?
asked
Jan 20
in
Psychology
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1
answer
48
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When evaluating a theory, what is the criterion for simplicity?
asked
Jan 20
in
Psychology
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1
answer
65
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According to Erikson's psychosocial theory, what is the final stage of development?
asked
Jan 20
in
Psychology
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1
answer
79
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Who proposed the encoding specificity principle?
asked
Jan 17
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Psychology
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votes
1
answer
39
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What is the purpose of a Wilcoxon signed-rank test?
asked
Jan 17
in
Psychology
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votes
1
answer
47
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Where does social identity theory come from?
asked
Jan 16
in
Psychology
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votes
1
answer
46
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What is the realistic conflict theory's explanation for prejudice?
asked
Jan 16
in
Psychology
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votes
1
answer
88
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When evaluating the theories of conflict resolution, what is the compromise strategy?
asked
Jan 16
in
Psychology
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votes
1
answer
42
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What is the phi coefficient?
asked
Jan 16
in
Psychology
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1
answer
60
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What is peer review, and why is it important?
asked
Jan 15
in
Psychology
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