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33
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What is the effect of changing the size of nano-particles on their catalytic activity in the oxidation reaction of benzene to phenol?
answered
Feb 19
in
Materials Chemistry
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votes
40
views
What is the effect of blend composition on the performance of a bulk heterojunction polymer solar cell?
answered
Feb 17
in
Polymer Chemistry
0
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38
views
How can the yield of a chemical reaction be optimized using a continuous-flow reactor with varying temperatures and concentrations of reactants?
answered
Feb 14
in
Chemical engineering
0
votes
41
views
How can we use Monte Carlo simulations to study the phase behavior of liquid crystals under different external conditions such as temperature, pressure, and electric fields?
answered
Feb 13
in
Computational Chemistry
0
votes
46
views
What is the role of metal ions in the catalytic activity of metalloenzymes and metalloproteins, and how does their coordination chemistry affect their function?
answered
Feb 13
in
Coordination Chemistry
0
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55
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In the coordination compound [Co(en)2Cl2]Cl, identify the types of isomerism present and draw the structures of each isomer.
answered
Feb 13
in
Coordination Chemistry
0
votes
53
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How can magnetic resonance spectroscopy help in the determination of the structure and properties of complex molecules in biological systems such as proteins, DNA, and RNA?
answered
Feb 5
in
Physical Chemistry
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89
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Calculate the standard enthalpy of formation of hydrogen fluoride (HF) given the following reactions and enthalpy change values:2H2(g) + O2(g) → 2H2O(g) ΔH° = -484 kJH2(g) + Cl2(g) → 2HCl(g) ΔH° = -184 kJ1/2 F2(g) + H2(g) → HF(g) ΔH° = -273 kJ.
answered
Feb 3
in
ThermoChemistry
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75
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How does changing the size of gold nanoparticles affect their thermodynamic stability when interacting with a solvent molecule? Use molecular dynamics simulations to investigate the differences in stability between nanoparticles with diameters of 5 nm, 10 nm, and 15 nm.
answered
Feb 3
in
Computational Chemistry
0
votes
114
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What are the top 5 reasons that students often find it difficult to understand the periodic table and chemical elements? Provide specific examples and explain how teachers and resources can help overcome these challenges.
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Jan 30
in
Chemical education
0
votes
88
views
What is the main criticism of the concept of 'authenticity' in existential psychology?
answered
Jan 20
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Psychology
0
votes
91
views
What did the Bobo doll experiment demonstrate?
answered
Jan 20
in
Psychology
0
votes
37
views
What is the action stage?
answered
Jan 20
in
Psychology
0
votes
72
views
When is self-control generally developed in children?
answered
Jan 20
in
Psychology
0
votes
51
views
Who proposed the concept of social identity theory?
answered
Jan 17
in
Psychology
0
votes
44
views
How can we determine the coherence and consistency of psychodynamic theories?
answered
Jan 16
in
Psychology
0
votes
60
views
According to the cognitive behavioural approach, how might changing behaviour lead to changes in thinking?
answered
Jan 16
in
Psychology
0
votes
55
views
Where can you find empirical evidence for the concept of toxic masculinity?
answered
Jan 15
in
Psychology
0
votes
43
views
What is the role of the prefrontal cortex?
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Jan 15
in
Psychology
0
votes
87
views
What is the community development approach?
answered
Jan 15
in
Psychology
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