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Answers by QAMSibyl4514
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25
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How does the photochemical properties of dyes and pigments affect their coloring abilities and photostability?
answered
4 days
ago
in
PhotoChemistry
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votes
21
views
How does the photochemical activity of silver nanoparticles with different sizes vary, and how does this affect their potential application in photocatalysis?
answered
4 days
ago
in
PhotoChemistry
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votes
15
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What is the optimum Si/Al ratio needed for the catalytic cracking of hydrocarbons in zeolites using computational chemistry techniques?
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4 days
ago
in
Computational Chemistry
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29
views
What is the maximum theoretical yield of aspirin that can be obtained from the reaction between salicylic acid and acetic anhydride, and how does the presence of impurities affect the actual yield achieved in the reaction?
answered
5 days
ago
in
Chemical synthesis
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votes
32
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What is the maximum amount of work that can be obtained from a chemical reaction at constant temperature and pressure, assuming perfect reversibility and no external work?
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5 days
ago
in
Physical Chemistry
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27
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How does the electrophilic addition of HBr to propene occur in the presence of a peroxide catalyst and what is the mechanism behind it?
answered
6 days
ago
in
Organic Chemistry
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votes
23
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What is the coordination geometry of the complex [Cu(NH3)4]SO4? Use UV-Vis spectroscopy to determine the nature of the ligand-metal coordination bond and its bonding energy.
answered
Feb 19
in
Coordination Chemistry
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votes
26
views
What is the balanced redox reaction for the combustion of methane (CH4) in the presence of oxygen (O2) to form carbon dioxide (CO2) and water (H2O)?
answered
Feb 17
in
Chemical reactions
0
votes
44
views
What is the hybridization state of the carbon atoms in benzene and how does it contribute to the stability of the molecule?
answered
Feb 13
in
Organic Chemistry
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votes
10
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How can we design drugs with high specificity to target a particular enzyme or receptor site, while avoiding potential off-target effects?
answered
Feb 12
in
Medicinal Chemistry
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29
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How can chemistry teachers provide adequate support for students with learning disabilities to ensure they have equal opportunities to succeed in the subject?
answered
Feb 6
in
Chemical education
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votes
23
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How can benzyl chloride and ammonia be reacted to synthesize phenylalanine, and what are the specific conditions (such as temperature and pressure) required for this reaction to occur?
answered
Feb 4
in
Chemical synthesis
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votes
58
views
How can a chemistry student effectively learn and practice laboratory techniques when access to laboratory equipment and facilities is limited?
answered
Jan 30
in
Chemical education
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59
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Calculate the enthalpy of solution (in kJ/mol) for dissolving 10.0 g of NaOH(s) in 100.0 g of water at 25°C, given that the final temperature of the solution is 28.5°C and the heat capacity of the solution is 4.18 J/g°C.
answered
Jan 23
in
ThermoChemistry
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33
views
How can the attachment theory of Bowlby be evaluated?
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Jan 16
in
Psychology
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31
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According to Alfred Adler's individual psychology, what is the importance of striving for superiority?
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Jan 15
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Psychology
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votes
43
views
Who proposed the multimodal approach?
answered
Jan 15
in
Psychology
0
votes
82
views
How does Transformational Leadership differ from Transactional Leadership?
answered
Jan 15
in
Psychology
0
votes
85
views
What is the name of Bronfenbrenner's ecological systems theory?
answered
Jan 14
in
Psychology
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votes
46
views
What is an example of the principle of closure?
answered
Jan 14
in
Psychology
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