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What are the factors that affect the phosphorescent properties of materials, and how can they be optimized for practical applications such as in OLED displays or security inks?
asked
Feb 22
in
PhotoChemistry
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votes
1
answer
33
views
How will the equilibrium position of the reaction N2(g) + 3H2(g) ⇌ 2NH3(g) shift in response to an increase in pressure if the reaction is initially at equilibrium?
asked
Feb 20
in
Chemical equilibrium
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1
answer
29
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How do the coordination properties of metal ions in metalloenzymes and metalloproteins influence their catalytic activity?
asked
Feb 19
in
Coordination Chemistry
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1
answer
27
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How does the coordination chemistry of iron in the active site of hemoglobin allow for transport of oxygen in the bloodstream?
asked
Feb 19
in
Coordination Chemistry
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votes
1
answer
25
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What is the balanced chemical equation for the double replacement reaction between sodium hydroxide and lead (II) nitrate?
asked
Feb 17
in
Chemical reactions
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1
answer
42
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How can the addition of nanoparticles enhance the mechanical properties of polymer nanocomposites and what role does the size, shape, and concentration of nanoparticles play in this improvement?
asked
Feb 6
in
Polymer Chemistry
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76
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Design a procedure for the synthesis of a coordination compound that includes ethylenediamine and copper (II) chloride as reagents. Characterize the synthesized compound by determining its melting point, infrared spectra, and magnetic susceptibility. Discuss the possible structures of the formed compound based on the obtained results.
asked
Feb 4
in
Coordination Chemistry
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votes
1
answer
186
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How does aspirin interact with COX-1 and COX-2 enzymes to inhibit prostaglandin synthesis and reduce inflammation in the body?
asked
Jan 31
in
Medicinal Chemistry
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1
answer
120
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What strategies can a chemistry student implement to better prepare for exams and overcome inadequate preparation?
asked
Jan 30
in
Chemical education
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1
answer
121
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What is the concentration of iron(II) ions in a water sample that has an absorbance of 0.55 at 510 nm when treated with a standard solution of 4.65 x 10^-5 M iron(II) sulfate using colorimetry?
asked
Jan 30
in
Analytical Chemistry
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1
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117
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How can we determine the concentration of chloride ions in a given solution using a chloride ion selective electrode?
asked
Jan 29
in
Analytical Chemistry
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1
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104
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A student measures the current in a galvanic cell with a standard potential of 1.10 V, using a Zinc electrode and a Copper electrode. The student recorded the current as 0.50 A. What is the rate of the electrochemical reaction occurring in the cell?
asked
Jan 22
in
ElectroChemistry
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1
answer
57
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According to the Lock and Key model, which neurotransmitter is involved in reward and pleasure?
asked
Jan 20
in
Psychology
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1
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70
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What is the relationship between the amygdala and emotional processing?
asked
Jan 20
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Psychology
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1
answer
36
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What is the influence of spirituality on indigenous psychology?
asked
Jan 20
in
Psychology
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votes
1
answer
38
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When assessing the effectiveness of REBT, what are some of the limitations to consider?
asked
Jan 20
in
Psychology
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votes
1
answer
16
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Why do environmental psychologists study the relationship between individuals and their physical environment?
asked
Jan 17
in
Psychology
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votes
1
answer
61
views
According to Emotional Intelligence Theory, what are the four core components of emotional intelligence?
asked
Jan 17
in
Psychology
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1
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78
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What is the impact of attention on learning?
asked
Jan 17
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Psychology
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1
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84
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What is the identity diffusion?
asked
Jan 15
in
Psychology
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