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0
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1
answer
22
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What are the key factors that affect the refractive index and dispersion properties of glasses used for optical purposes and how can these properties be controlled and optimized through material synthesis and processing?
asked
1 day
ago
in
Materials Chemistry
0
votes
1
answer
25
views
How does the rate of electron transfer in a redox reaction change with varying concentrations of reactants and catalysts, and what factors influence the energy barriers for the transfer process?
asked
3 days
ago
in
Quantum Chemistry
0
votes
1
answer
30
views
What are the optimized reaction conditions for the synthesis of polypropylene from propylene monomer, and how do they affect the yield and quality of the resulting polymer?
asked
4 days
ago
in
Chemical synthesis
0
votes
1
answer
16
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What is the equilibrium constant expression for the following redox reaction at standard conditions: Fe2+(aq) + Cu(s) ⇌ Fe3+(aq) + Cu2+(aq)
asked
5 days
ago
in
Chemical equilibrium
0
votes
1
answer
32
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How does the calculation of electronic excited states and optical properties of a molecule depend on the choice of the computational method and basis set used in quantum chemistry calculations?
asked
Feb 18
in
Quantum Chemistry
0
votes
1
answer
23
views
What is the specific role of Rubisco in the process of carbon fixation in photosynthesis, and how does its efficiency vary under different environmental conditions?
asked
Feb 14
in
BioChemistry
0
votes
1
answer
38
views
What is the chemical process behind the eutrophication of water bodies due to nitrogen and phosphorus pollution and how can it be prevented?
asked
Feb 13
in
Environmental Chemistry
0
votes
1
answer
38
views
How does the electronic structure of a copper atom change when it forms a bond with an oxygen atom using Density Functional Theory calculations?
asked
Feb 12
in
Computational Chemistry
0
votes
1
answer
37
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How can the process of producing specialty chemicals be optimized to minimize waste and maximize yield?
asked
Feb 10
in
Chemical engineering
0
votes
1
answer
46
views
How can the mechanical properties of a polymer be improved during the manufacturing process?
asked
Feb 10
in
Polymer Chemistry
0
votes
1
answer
26
views
How can chemistry students increase their chances of finding internships and job opportunities in the current market with limited availability?
asked
Feb 5
in
Chemical education
0
votes
1
answer
53
views
Determine the standard enthalpy change of the reaction between 50.0 mL of 0.200 M hydrochloric acid (HCl) and 50.0 mL of 0.100 M sodium hydroxide (NaOH) at 25°C. The reaction is a neutralization reaction between HCl and NaOH, and the products are water and sodium chloride (NaCl). The molar enthalpy of formation of NaCl is -411.2 kJ/mol, and the specific heat capacity of the aqueous solution is 4.18 J/g°C.
asked
Feb 4
in
Chemical thermodynamics
0
votes
1
answer
54
views
Calculate the polarization potential in an electrochemical cell if the concentration of zinc ions in the anode compartment is 0.5 M, the concentration of copper(II) ions in the cathode compartment is 1.0 M, and the voltage of the cell is 1.1 V. The standard reduction potential of copper(II) ions is +0.34 V and the standard reduction potential of zinc ions is -0.76 V.
asked
Feb 3
in
ElectroChemistry
0
votes
1
answer
69
views
What are the specific environmental regulations that are currently in place in your local area to protect the environment, and how effective have they been in achieving their intended goals?
asked
Jan 31
in
Environmental Chemistry
0
votes
1
answer
46
views
How can the concentration of lead ions in a water sample be determined using square wave voltammetry?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
60
views
Calculate the heat capacity of 50g of water when its temperature is raised from 25°C to 65°C.
asked
Jan 23
in
Chemical thermodynamics
0
votes
1
answer
65
views
Calculate the enthalpy of oxidation of methane gas (CH4) at standard conditions given the following information:- Enthalpy of formation of CH4 = -74.8 kJ/mol- Enthalpy of formation of H2O = -285.8 kJ/mol- Enthalpy of formation of CO2 = -393.5 kJ/mol
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
65
views
What is the mechanism of the reaction between propyne and hydrogen chloride, and what is the product obtained?
asked
Jan 21
in
Organic Chemistry
0
votes
1
answer
36
views
Who developed the linear threshold unit model?
asked
Jan 17
in
Psychology
0
votes
1
answer
71
views
According to Albert Bandura's social learning theory, why are children more likely to imitate the behavior of an adult who is rewarded for their actions?
asked
Jan 17
in
Psychology
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