Recent activity by DanaPittmann

1 answer 27 views

What are the factors that affect the photochemical stability of sunscreen agents and how can these factors be optimized to improve the effectiveness of sunscreen products?

asked 4 days ago in PhotoChemistry

1 answer 23 views

How does the photochemical behavior of luminescent materials vary with different excitation wavelengths?

asked 4 days ago in PhotoChemistry

1 answer 25 views

How does the pH level of water affect the survival of aquatic plants and animals in polluted water bodies?

answered 4 days ago in Environmental Chemistry

1 answer 23 views

What are the resonance structures of the nitrate ion (NO3-)? Show how the electrons are delocalized among the oxygen atoms in the molecule.

answered 4 days ago in Chemical bonding

1 answer 22 views

What is the Lewis structure of the water molecule, H2O?

answered 5 days ago in Chemical bonding

1 answer 24 views

What is the bond dissociation energy of methane (CH4)? Use the given bond energies: C-H bond energy = 413 kJ/mol and C-C bond energy = 348 kJ/mol.

answered Feb 18 in Chemical bonding

1 answer 19 views

How does the amino acid sequence affect the folding mechanism of proteins, and can molecular dynamics simulations provide insights into the folding pathway and determine the stability of the folded structure?

answered Feb 17 in Computational Chemistry

1 answer 26 views

How can we reduce the environmental impact of radioactive waste disposal?

answered Feb 14 in Environmental Chemistry

1 answer 29 views

How can the yield of a chemical reaction be optimized using a continuous-flow reactor with varying temperatures and concentrations of reactants?

asked Feb 14 in Chemical engineering

1 answer 7 views

How do metal ions such as copper, zinc, and iron coordinate with amino acid residues in metalloproteins and enzymes to carry out important biological functions?

answered Feb 13 in Coordination Chemistry

1 answer 40 views

How do the ionic properties of ILs affect their potential use as solvents, electrolytes and catalysts in chemical reactions?

asked Feb 13 in Physical Chemistry

1 answer 37 views

How do the photochemical properties of enantiomers differ from one another? Provide a detailed explanation with supporting examples.

answered Feb 13 in PhotoChemistry

1 answer 62 views

How does doping with nitrogen or other heteroatoms affect the electrical, mechanical, and thermal properties of graphene, and how can these properties be optimized for use in high-performance electronic devices?

answered Feb 12 in Materials Chemistry

1 answer 40 views

What are the effects of different solvents on the properties of a polymer-based coating or paint?

asked Feb 12 in Polymer Chemistry

1 answer 8 views

How do different cooking methods affect the levels of pesticide residues in food?

answered Feb 12 in Environmental Chemistry

1 answer 9 views

How can we design a cost-effective system for treating industrial wastewater that removes hazardous substances such as heavy metals and organic pollutants while also minimizing water waste and energy consumption?

asked Feb 12 in Chemical engineering

1 answer 9 views

How does coordination of transition metal ions in metalloproteins affect their function? Provide at least two examples and explain the role of the metal ion in each case.

asked Feb 12 in Coordination Chemistry

1 answer 32 views

How can the insufficient emphasis on practical applications of chemistry in the classroom be addressed to better prepare students for real-world applications in the field of chemistry?

answered Feb 7 in Chemical education

1 answer 37 views

How can the formulation of drug delivery systems be optimized to improve the targeted delivery of therapeutics to specific tissues or organs, while reducing potential adverse effects on non-targeted tissues?

asked Feb 7 in Medicinal Chemistry

1 answer 32 views

How can polymer-based sensors and actuators be used to detect and respond to changes in temperature?

asked Feb 5 in Polymer Chemistry

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