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1
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What is the optimal reaction conditions and catalyst for the synthesis of high molecular weight polypropylene from propylene monomer, and how does altering the reaction conditions affect the properties of the final polymer?
asked
Feb 21
in
Chemical synthesis
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votes
1
answer
32
views
How does the electronic configuration and molecular structure of coordination compounds affect their photochemical properties? Provide examples and explain the underlying principles behind the observed behavior.
asked
Feb 20
in
PhotoChemistry
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votes
1
answer
39
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How does the chemical structure of a drug affect its pharmacodynamics in the body?
asked
Feb 18
in
Medicinal Chemistry
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votes
1
answer
27
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How do surfactants in laundry detergents and cleaning agents affect the surface tension and interfacial properties of water, and how does understanding these mechanisms help in the cleaning process?
asked
Feb 17
in
Surface Chemistry
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votes
1
answer
36
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How does prolonged exposure to high levels of air pollutant particles, such as PM2.5, affect the human respiratory system and overall health?
asked
Feb 14
in
Environmental Chemistry
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votes
1
answer
34
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How can we predict the rate and mechanism of a chemical reaction using quantum chemistry calculations?
asked
Feb 14
in
Quantum Chemistry
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1
answer
53
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How does the nature of the catalyst and the properties of the solid surface affect the rate of a chemical reaction in heterogeneous catalysis?
asked
Feb 13
in
Surface Chemistry
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votes
1
answer
37
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How can the properties of different chemicals be optimized for the efficient production of a specific cosmetic product using a designed system?
asked
Feb 10
in
Chemical engineering
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votes
1
answer
38
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How can the concept of chemical equilibrium be applied to real-life scenarios, such as the production of ammonia for fertilizer or the pH buffering systems in the human body? Provide specific examples and explain the chemical processes involved.
asked
Feb 6
in
Chemical education
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votes
1
answer
41
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How can surface chemistry be used to improve the efficiency of food and beverage processing, and what specific surface modifications or additives can be employed to achieve this?
asked
Feb 6
in
Surface Chemistry
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1
answer
31
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How can computational chemistry be used to predict the binding affinity and selectivity of small molecule inhibitors targeting the interaction between two specific proteins? Compare and contrast the accuracy and limitations of various molecular docking methods in predicting the binding modes and energies of protein-protein interaction inhibitors.
asked
Feb 6
in
Computational Chemistry
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votes
1
answer
39
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How can chemistry teacher training programs be improved to better prepare teachers for effectively teaching complex chemical concepts to students and promoting interest in the subject, particularly for those students with little or no prior knowledge of chemistry?
asked
Feb 5
in
Chemical education
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votes
1
answer
63
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Calculate the standard enthalpy of formation of water (H2O) given the following information:- The standard enthalpy of formation of hydrogen gas (H2) is 0 kJ/mol- The standard enthalpy of formation of oxygen gas (O2) is 0 kJ/mol- The standard enthalpy of combustion of hydrogen gas is -286 kJ/mol- The standard enthalpy of combustion of carbon (C) is -394 kJ/mol- The standard enthalpy of combustion of methane gas (CH4) is -890 kJ/mol
asked
Feb 3
in
ThermoChemistry
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votes
1
answer
74
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Calculate the standard enthalpy change for the formation of ethylene glycol (C2H6O2) from its elements given that the standard enthalpies of formation of carbon dioxide, water, and ethylene glycol are -393.5 kJ/mol, -285.8 kJ/mol, and -421.1 kJ/mol respectively.
asked
Feb 3
in
Chemical thermodynamics
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votes
1
answer
80
views
What is the mechanism of action of carbonic anhydrase enzyme in the human body, and how does its active site structure affect its function in catalyzing the hydration of carbon dioxide?
asked
Jan 31
in
Coordination Chemistry
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1
answer
94
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What is the electronic band structure of a crystal with a face-centered cubic (FCC) lattice of aluminum atoms, as calculated by density functional theory?
asked
Jan 31
in
Computational Chemistry
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votes
1
answer
89
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A chemistry student needs to determine the equilibrium concentrations of reactants and products for the following reaction:2 NOCl (g) ⇌ 2 NO (g) + Cl2 (g)The initial concentration of NOCl is 0.50 M and the equilibrium constant, Kc = 4.68 x 10^-3. What are the equilibrium concentrations of NO and Cl2?
asked
Jan 22
in
Chemical equilibrium
0
votes
1
answer
44
views
Why was the term 'they/them' adopted in genderqueer and non-binary communities?
asked
Jan 20
in
Psychology
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votes
1
answer
42
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According to the selective attention model, what is the cocktail party phenomenon?
asked
Jan 20
in
Psychology
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votes
1
answer
72
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What is the importance of parental involvement in education?
asked
Jan 20
in
Psychology
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