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User BeatriceJ11
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What is the effect of increasing the pH on the equilibrium position of the reaction between iodine and thiosulfate ions in an acidic solution? Provide a balanced chemical equation and explain your answer.
asked
3 days
ago
in
Chemical equilibrium
1
answer
19
views
How does the prediction of electronic and magnetic properties of molecular magnets vary with changing molecular structures?
answered
3 days
ago
in
Quantum Chemistry
1
answer
18
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How does the polarity of the solvent affect the rate of a photochemical reaction in a specific chemical system and what is the underlying mechanism behind it?
answered
3 days
ago
in
PhotoChemistry
1
answer
18
views
What is the optimal reaction conditions to maximize the yield of polyethylene in the synthesis of polyethylene from ethylene monomer?
answered
3 days
ago
in
Chemical synthesis
1
answer
16
views
What is the Lewis structure of the molecule PCl3?
asked
4 days
ago
in
Chemical bonding
1
answer
16
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What is the Lewis structure of the carbon dioxide (CO2) molecule?
answered
4 days
ago
in
Chemical bonding
1
answer
23
views
How does the intensity of light affect the rate of a chemical reaction involving the decomposition of hydrogen peroxide?
asked
5 days
ago
in
Chemical kinetics
1
answer
23
views
What are the key factors affecting the growth of carbon nanotubes using chemical vapor deposition method, and how can they be optimized to produce longer and more uniform nanotubes with desired properties?
answered
5 days
ago
in
Materials Chemistry
1
answer
20
views
What is the critical micelle concentration (CMC) of sodium dodecyl sulfate (SDS) in water at 30°C? Provide a detailed explanation of the factors affecting the formation of micelles and how they relate to the CMC of SDS.
answered
6 days
ago
in
Surface Chemistry
1
answer
44
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How can the selectivity of polymer-based membranes for water treatment be improved while maintaining their permeability?
answered
Feb 10
in
Polymer Chemistry
1
answer
9
views
How can the efficiency of a cosmetic production system be improved through the design of a more stable emulsion base?
answered
Feb 7
in
Chemical engineering
1
answer
29
views
How can the compatibility between two polymer blend components be improved to enhance the mechanical properties of the resulting blend?
asked
Feb 6
in
Polymer Chemistry
1
answer
40
views
How can photochemical processes be utilized to degrade pollutants in the environment such as organic compounds and heavy metals, and what are the factors that affect the efficiency of the degradation process?
asked
Feb 5
in
PhotoChemistry
1
answer
32
views
How can chemistry students overcome the challenges of insufficient funding for chemistry education in their institutions?
asked
Feb 5
in
Chemical education
1
answer
82
views
What are the key material properties that make ceramics suitable for high-temperature applications, and how can these properties be optimized or improved through chemical and material design?
answered
Jan 31
in
Materials Chemistry
1
answer
10
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How can we reduce the carbon footprint of our transportation system, considering the impact on the environment and energy efficiency?
answered
Jan 31
in
Environmental Chemistry
1
answer
78
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How can the synthesis of carbon nanotubes be optimized to achieve a uniform and controlled size distribution?
asked
Jan 30
in
Materials Chemistry
1
answer
73
views
What are some effective study strategies and techniques that can help improve preparation for chemistry exams?
answered
Jan 30
in
Chemical education
1
answer
62
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Calculate the enthalpy change for the combustion of 2 moles of methane gas (CH4) at constant pressure, given that the standard enthalpy of formation (ΔHf) of methane gas is -74.8 kJ/mol. Express your answer in kilojoules (kJ).
answered
Jan 23
in
Chemical thermodynamics
1
answer
45
views
Assuming that the student has knowledge about the harmonic oscillator model, the problem could be:Calculate the molecular vibrational frequencies and corresponding infrared spectra of a carbon monoxide (CO) molecule using the harmonic oscillator model. Given the following bond lengths and force constants:- Bond length of the CO bond in the ground state: 1.128 angstroms- Force constant of the CO bond in the ground state: 1880 N/m
answered
Jan 22
in
Quantum Chemistry
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