Recent activity by ChandraPicke

1 answer 26 views

How does the Si/Al ratio affect the sorption properties of zeolites? Use computational chemistry methods to compare the sorption capacity of zeolites with different Si/Al ratios for a specific adsorbate.

answered 1 day ago in Computational Chemistry

1 answer 21 views

What is the rate constant and mechanism for the reaction between ethylene and hydrogen at 298 K and 1 atm pressure, and how does the rate change when the temperature is increased to 373 K?

asked 3 days ago in Quantum Chemistry

1 answer 26 views

What is the mechanism of passivation on the surface of stainless steel and what factors influence its effectiveness in preventing corrosion?

asked 5 days ago in Surface Chemistry

1 answer 22 views

What is the mechanism for a ligand substitution reaction between [Co(H2O)6]2+ and Cl- in aqueous solution?

answered 5 days ago in Coordination Chemistry

1 answer 22 views

What is the lowest energy transition of a molecule with a HOMO-LUMO gap of 3 eV and what is the corresponding wavelength of this transition?

asked 5 days ago in Quantum Chemistry

1 answer 16 views

What is the effect of varying the cross-linking density on the swelling behavior of a superabsorbent polymer?

asked 5 days ago in Polymer Chemistry

1 answer 27 views

What is the effect of temperature on the adsorption of hydrogen gas on a solid surface of activated carbon? Provide experimental evidence to support your answer.

asked 6 days ago in Surface Chemistry

1 answer 22 views

What chemical reaction occurs during the decomposition of potassium chlorate, and what are the products formed?

answered 6 days ago in Chemical reactions

1 answer 28 views

How does the change in pH affect the rate of photochemical reaction in the presence of a photosensitizer?

asked Feb 18 in PhotoChemistry

1 answer 19 views

What is the polarity of the bond between oxygen and hydrogen in a water molecule? How does it contribute to the overall polarity of the molecule?

answered Feb 18 in Chemical bonding

1 answer 25 views

How do the properties of surfactants, such as hydrophobicity and hydrophilicity, affect their ability to reduce surface tension in a liquid and increase the solubility of non-polar substances in water?

asked Feb 17 in Surface Chemistry

1 answer 24 views

What is the difference between primary, secondary, and tertiary amines, and how does their basicity compare? Additionally, give an example of a common amine that is used in everyday products and explain its function.

asked Feb 14 in Organic Chemistry

1 answer 41 views

How does the electronic structure of perovskite materials impact their optical properties, and how can quantum chemistry calculations be used to predict these properties?

asked Feb 14 in Quantum Chemistry

1 answer 34 views

What is the effect of increasing the concentration of reactants on the rate of a chemical reaction?

asked Feb 13 in Chemical kinetics

1 answer 35 views

How do different chemical functional groups affect the electronic properties and reactivity of surfaces in catalytic reactions, as determined by density functional theory calculations?

answered Feb 12 in Computational Chemistry

1 answer 29 views

How can the synthesis of polyvinylpyrrolidone from vinylpyrrolidone monomer be optimized to achieve a high yield and a high degree of polymerization?

answered Feb 11 in Chemical synthesis

1 answer 50 views

How can the risk of accidental release and exposure to hazardous chemicals during storage and transportation be minimized, while maintaining efficiency and cost-effectiveness in the design of a system?

answered Feb 10 in Chemical engineering

1 answer 34 views

How can the negative environmental impact of industrial waste disposal be minimized through chemical analysis and treatment methods?

asked Feb 10 in Environmental Chemistry

1 answer 39 views

How can the efficiency of a surfactant production system be optimized by adjusting the reaction conditions and reactor design parameters?

answered Feb 7 in Chemical engineering

1 answer 56 views

Determine the bond length between two carbon atoms in a molecule of ethylene (C2H4) given that the bond order is 1.5 and the electronegativity of carbon is 2.5.

answered Feb 4 in Chemical bonding

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