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User SergioCrews1
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What is the equilibrium constant (Kc) for the reaction between iodine (I2) and iodide ion (I-) in a solution of potassium iodide (KI)?
asked
3 days
ago
in
Chemical equilibrium
1
answer
20
views
How does the presence of heavy metals in soil affect the growth and nutritional value of crops, and what methods can be used to remediate contaminated soils?
answered
3 days
ago
in
Environmental Chemistry
1
answer
13
views
How does the polarity of the solvent affect the rate of photochemical reactions in organic compounds such as benzene and toluene?
answered
3 days
ago
in
PhotoChemistry
1
answer
20
views
How does the particle size of nanomaterials affect their catalytic activity in a specific reaction, and what is the optimal size range for maximum efficiency?
answered
3 days
ago
in
Materials Chemistry
1
answer
30
views
What is the effect of the molecular weight of a polymer on the properties of the resulting coating or paint?
asked
4 days
ago
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Polymer Chemistry
1
answer
20
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What is the molecular geometry and bond angles of methane molecule (CH4) using the VSEPR theory?
asked
4 days
ago
in
Quantum Chemistry
1
answer
23
views
How does the metabolic state of a cell change in response to different environmental stressors such as nutrient depletion, oxidative stress, and exposure to toxins, and how can this be studied using metabolomics and systems biology approaches?
answered
4 days
ago
in
BioChemistry
1
answer
23
views
What are the key factors that affect the efficiency of polymer-based photovoltaic materials and how can they be optimized to improve their performance?
asked
5 days
ago
in
Polymer Chemistry
1
answer
20
views
What is the effect of temperature on the reaction rate of the decomposition of hydrogen peroxide, and how does this affect the safety of the reaction in terms of the potential for a runaway reaction or explosion?
asked
5 days
ago
in
Chemical kinetics
1
answer
18
views
What is the effect of increasing the concentration of AgNO3 on the solubility of AgCl in water? Include both the qualitative and quantitative analysis of the relationship between the two variables.
answered
5 days
ago
in
Chemical equilibrium
1
answer
18
views
What is the critical micelle concentration (CMC) of sodium dodecyl sulfate (SDS) at room temperature?
answered
6 days
ago
in
Surface Chemistry
1
answer
25
views
What is the bond enthalpy of the O-H bond in a water molecule? How does this value relate to the strength of the bond?
asked
Feb 18
in
Chemical bonding
1
answer
27
views
What is the bond energy required to break one mole of O-H bonds in a water molecule (H2O)?
asked
Feb 18
in
Chemical reactions
1
answer
23
views
What is the bond energy of a carbon-carbon bond in ethane (C2H6) and what is the energy change when two ethane molecules react to form one butane (C4H10) molecule?
asked
Feb 18
in
Chemical reactions
1
answer
25
views
What is the balanced chemical equation for the synthesis reaction between magnesium and oxygen gas to form magnesium oxide?
asked
Feb 17
in
Chemical reactions
1
answer
38
views
What is the balanced chemical equation for the combustion of propane (C3H8), and what is the volume of oxygen gas (O2) required for complete combustion if 10 grams of propane are burned?
asked
Feb 17
in
Chemical reactions
1
answer
28
views
What are the specific photochemical properties of silver halide crystals that make them suitable for use in photographic films or papers?
answered
Feb 14
in
PhotoChemistry
1
answer
28
views
What key events in the history and evolution of chemistry have led to the modern understanding of atomic theory, and how do these historical discoveries relate to current applications in fields such as nuclear energy and nanotechnology?
asked
Feb 14
in
Chemical education
1
answer
30
views
What is the effect of metal coordinative bonds on the adsorption properties of metal-organic frameworks used as adsorbents for gas separation applications, and how can computational studies help in predicting their optimal structures and properties?
asked
Feb 13
in
Computational Chemistry
1
answer
28
views
How do intermolecular forces affect the solubility of polar and nonpolar molecules in different solvents?
asked
Feb 13
in
Quantum Chemistry
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