Recent activity by StephaniaTkt

1 answer 31 views

What is the relationship between a drug's molecular structure and its pharmacodynamic properties? Provide examples of drugs that illustrate this relationship.

answered Feb 24 in Medicinal Chemistry

1 answer 31 views

What is the reaction order with respect to bromide ions in the reaction between potassium bromate and potassium bromide, and how does changing the initial concentration of bromide ions affect the reaction rate?

asked Feb 22 in Chemical kinetics

1 answer 27 views

How does the polarity and surface charge of a solid surface affect the adsorption of proteins?

answered Feb 22 in Surface Chemistry

1 answer 21 views

How do the photochemical properties of silver nanoparticles differ from those of gold nanoparticles in terms of catalytic efficiency and reaction rates under different light intensities?

answered Feb 22 in PhotoChemistry

1 answer 36 views

What is the effect of the ligand and metal ion on the photochemical properties of coordination compounds, and how does this impact their use in solar energy harvesting?

asked Feb 22 in PhotoChemistry

1 answer 28 views

What is the optimal ratio of diisocyanate to polyol for synthesizing polyurethane with the desired mechanical properties?

asked Feb 21 in Chemical synthesis

1 answer 29 views

How has the history and evolution of chemistry contributed to our current understanding of the properties and behavior of elements, and how can this knowledge be applied in modern chemistry research and industry?

answered Feb 20 in Chemical education

1 answer 30 views

How does the Calvin cycle use energy and enzymes to fix carbon dioxide into glucose during photosynthesis and what role do electrons and protons play in this process? Provide a detailed explanation of the molecular mechanisms involved.

asked Feb 18 in BioChemistry

1 answer 33 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 87 views

How does the geometry optimization affect the excited state dynamics of a conjugated organic molecule as calculated through ab initio calculations?

asked Feb 13 in Computational Chemistry

1 answer 33 views

How do the photochemical properties of enantiomers differ from one another and how can this information be utilized in designing new chiral molecules with specific optical properties?

asked Feb 13 in PhotoChemistry

1 answer 81 views

What is the net number of ATP molecules produced through oxidative phosphorylation during the citric acid cycle, assuming the starting molecule is acetyl-CoA?

answered Feb 13 in BioChemistry

1 answer 69 views

How do Chlorofluorocarbons (CFCs) specifically degrade the ozone layer and what chemical reactions occur in the process?

answered Feb 12 in Environmental Chemistry

1 answer 68 views

How can the synthesis and characterization of new materials be optimized to improve the efficiency and durability of fuel cells?

asked Feb 11 in Materials Chemistry

1 answer 67 views

How can the production of fragrances using chemical engineering be optimized for maximum efficiency and sustainability while ensuring the desired scent profile?

answered Feb 10 in Chemical engineering

1 answer 37 views

How can the maximum yield of aspirin be achieved during the synthesis process using salicylic acid and acetic anhydride? What are the factors that affect the yield of the reaction?

asked Feb 7 in Chemical synthesis

1 answer 45 views

How can chemistry students better prepare themselves for careers in the industry to ensure they have the necessary skills and knowledge to succeed in their field?

asked Feb 4 in Chemical education

1 answer 70 views

What is the molecular structure and bonding of carbon dioxide? Explain how the molecular structure and bonding in carbon dioxide make it a greenhouse gas that contributes to climate change.

answered Jan 31 in Chemical education

1 answer 105 views

What steps can be taken to maximize the chances of getting a chemistry-related internship or job opportunity given the limited availability in the industry?

asked Jan 30 in Chemical education

1 answer 82 views

Calculate the bond length between two carbon atoms in a molecule of ethene, assuming a carbon-carbon bond order of 1.5. (Hint: Use the empirical formula for calculating bond length: bond length = sum of covalent radii of the two atoms)

asked Jan 23 in Chemical bonding

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