Recent activity by OtisMacGilli

1 answer 19 views

What factors determine the selectivity of a chemical reaction and how can we predict the outcome using quantum chemistry calculations?

asked 1 day ago in Quantum Chemistry

1 answer 12 views

What is the relationship between the photochemical properties of a dye or pigment and its color?

asked 1 day ago in PhotoChemistry

1 answer 21 views

How does change in temperature affect the reaction rate and mechanism of the Cl + HBr -> HCl + Br reaction, based on quantum chemistry calculations?

answered 3 days ago in Quantum Chemistry

1 answer 28 views

What are the primary sources of ozone-depleting chemicals and how do they contribute to the depletion of the ozone layer? Furthermore, what strategies can be implemented to reduce the release of these chemicals into the atmosphere?

answered 3 days ago in Environmental Chemistry

1 answer 18 views

How does the presence of a catalyst affect the rate of a photophysical process such as the degradation of a dye molecule under UV radiation?

answered 3 days ago in Physical Chemistry

1 answer 18 views

What is the nature of the intermolecular interactions between water and ethanol molecules in a solution, and how does this affect the ability of the solution to dissolve solutes?

asked 5 days ago in Quantum Chemistry

1 answer 20 views

What is the hybridization of the nitrogen atom in the molecule NH3?

answered 5 days ago in Chemical bonding

1 answer 20 views

What is the glass transition temperature of polyvinyl chloride (PVC) and how does it affect its mechanical properties?

answered 5 days ago in Physical Chemistry

1 answer 23 views

What is the effect of temperature on the conductivity of 1-butyl-3-methylimidazolium tetrafluoroborate ([BMIM][BF4]) ionic liquid?

answered 5 days ago in Physical Chemistry

1 answer 16 views

How does the coordination of metal ions in metalloenzymes and metalloproteins affect their enzymatic activity and overall biological function?

asked 6 days ago in Coordination Chemistry

1 answer 22 views

How does the coordination number of a transition metal complex affect its stability and reactivity? Mark the changes in the magnetic properties of the complex as the coordination number varies.

asked 6 days ago in Coordination Chemistry

1 answer 30 views

How does the coordination chemistry of metalloenzymes and metalloproteins differ from that of inorganic complexes, and how does it influence their function in biological systems?

answered 6 days ago in Coordination Chemistry

1 answer 20 views

How does the addition of a catalyst affect the reaction rate of the decomposition of hydrogen peroxide, and how can this be measured experimentally using a gas collection method?

asked Feb 17 in Chemical kinetics

1 answer 25 views

What factors contribute to the limited understanding of chemical bonding and molecular structure among chemistry students, and how can these challenges be addressed through improved teaching methods and classroom resources?

answered Feb 14 in Chemical education

1 answer 41 views

How does pH affect the stability of colloidal particles and how can the stability be improved using coagulation agents?

answered Feb 14 in Surface Chemistry

1 answer 8 views

How can the yield and purity of fragrance compounds be optimized in the production process, and what factors must be taken into consideration in achieving this goal?

answered Feb 14 in Chemical engineering

1 answer 30 views

What is the effect of incorporating graphene oxide on the mechanical properties of polyethylene-based nanocomposites?

asked Feb 13 in Polymer Chemistry

1 answer 37 views

What mass of CO2 will be produced when 12.5 grams of methane (CH4) reacts with 50.0 grams of oxygen (O2) according to the following balanced equation:CH4 + 2O2 → CO2 + 2H2O Identify the limiting reactant and calculate the mass of CO2 produced.

answered Feb 13 in Chemical reactions

1 answer 37 views

How does doping with impurities affect the electrical conductivity and bandgap of semiconductors, and how can this be optimized for specific electronic applications?

asked Feb 12 in Materials Chemistry

1 answer 43 views

How can we design a chemical process to economically recover precious metals such as gold and silver from electronic waste by utilizing principles of chemical engineering and sustainable practices?

answered Feb 12 in Chemical engineering

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