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What is the effect of changes in the concentration of the reactants on the rate of the reaction and the resulting profitability, using the example of the reaction between hydrochloric acid and magnesium?
asked
Feb 22
in
Chemical kinetics
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votes
1
answer
28
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What is the most efficient and cost-effective process for producing high-density polyethylene (HDPE) polymer, and what are the optimal conditions for temperature, pressure, and catalyst type?
asked
Feb 21
in
Chemical engineering
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1
answer
26
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How does the coordination chemistry of metalloenzymes and metalloproteins affect their catalytic activity in biological systems?
asked
Feb 19
in
Coordination Chemistry
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1
answer
35
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How does surface chemistry influence the stability and shelf life of emulsions used in the production of food and beverage products, and how can this knowledge be applied to optimize emulsion formulations in the industry?
asked
Feb 17
in
Surface Chemistry
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1
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36
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How can we optimize the process conditions for the production of a specific pharmaceutical drug, while ensuring the highest yield and purity?
asked
Feb 14
in
Chemical engineering
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1
answer
63
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What is the mechanism behind the luminescence emission in various luminescent materials under different photochemical conditions, and how can this mechanism be manipulated to improve the efficiency and lifetime of the luminescence emission?
asked
Feb 13
in
PhotoChemistry
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votes
1
answer
58
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What are the common challenges that students face while attempting to understand the concepts of quantum mechanics in chemistry and what are the effective strategies to overcome these difficulties?
asked
Feb 12
in
Chemical education
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votes
1
answer
40
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How can the adhesive properties of polymer-based adhesives be optimized for use in high-temperature environments?
asked
Feb 6
in
Polymer Chemistry
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1
answer
37
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How can medicinal chemists develop new treatments for autoimmune diseases that target the immune system specifically without affecting other healthy cells?
asked
Feb 5
in
Medicinal Chemistry
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1
answer
34
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How can inadequate training for chemistry teachers affect the quality of education in student learning and performance in chemistry?
asked
Feb 5
in
Chemical education
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1
answer
38
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How can chemistry teachers provide better support and accommodations for students with learning disabilities to help them succeed in their chemistry coursework?
asked
Feb 5
in
Chemical education
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1
answer
44
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How can chemistry students effectively learn and apply experimental techniques when faced with limited opportunities for hands-on experimentation in the classroom setting?
asked
Feb 4
in
Chemical education
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1
answer
89
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Calculate the enthalpy change for the following polymerization reaction: 2 C2H4 (g) → C4H8 (g) Given the following bond enthalpies: C-H = 413 kJ/mol, C-C = 348 kJ/mol, C=C = 611 kJ/mol Assume all reactants and products are gases at 298 K and 1 atm.
asked
Jan 23
in
ThermoChemistry
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1
answer
46
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A solution contains 0.05 M AgNO3 and 0.10 M KCl. A silver electrode is dipped in the solution and a potential of 0.53 V is measured against a standard hydrogen electrode. Calculate the concentration of Ag+ ions in the solution.
asked
Jan 22
in
ElectroChemistry
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votes
1
answer
33
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Who demonstrated the importance of standardization in correlation research?
asked
Jan 20
in
Psychology
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votes
1
answer
36
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Where can regression be used in psychology research?
asked
Jan 20
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Psychology
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votes
1
answer
50
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When assessing community needs, what is the term for conducting an in-depth investigation?
asked
Jan 17
in
Psychology
0
votes
1
answer
56
views
What does the bottom-up theory state?
asked
Jan 15
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Psychology
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1
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60
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When was the theory of bottom-up processing developed?
asked
Jan 15
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Psychology
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1
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42
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What is abnormal behaviour?
asked
Jan 14
in
Psychology
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