Recent activity by MerryGoodsel

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What are the optimal reaction conditions for the production of methanol from syngas using a ZSM-5 zeolite catalyst, and how do these conditions affect the selectivity and yield of methanol?

asked 3 days ago in Computational Chemistry

1 answer 17 views

What are the chemical compositions and sources of air pollutants that are most harmful to human health, and what are the mechanisms through which they cause respiratory and cardiovascular diseases?

answered 4 days ago in Environmental Chemistry

1 answer 17 views

What are the key properties of ceramics that make them suitable for use in high-temperature applications, and how can these properties be optimized for enhanced performance?

answered 5 days ago in Materials Chemistry

1 answer 18 views

How does the fluidity of a cell membrane affect the movement and activity of membrane-bound enzymes? Provide examples of how changes in temperature, lipid composition, and cholesterol levels can alter membrane fluidity and consequently enzyme function.

answered 5 days ago in BioChemistry

1 answer 35 views

How do the electronic and optical properties of conjugated polymers change with varying pi-conjugation lengths?

answered 6 days ago in Quantum Chemistry

1 answer 22 views

How do different metal ions affect the electronic and magnetic properties of metal-organic frameworks, and what is the influence of the organic ligands on these properties?

asked 6 days ago in Quantum Chemistry

1 answer 22 views

What is the effect of varying the reactant orientation on the reaction rate between solution A and solution B?

answered 6 days ago in Chemical kinetics

1 answer 39 views

How does the chemical structure of a drug affect its toxicity, and how can medicinal chemists modify these structures to reduce toxicity while maintaining therapeutic activity?

asked Feb 18 in Medicinal Chemistry

1 answer 30 views

What is the difference between primary, secondary, and tertiary alcohols, and how does the arrangement of alkyl groups affect the physical and chemical properties of alcohols and phenols? Provide specific examples and explanations to support your answer.

asked Feb 14 in Organic Chemistry

1 answer 35 views

What are the key chemical reactions involved in the synthesis of polyvinyl chloride (PVC) from vinyl chloride monomer, and how can we optimize the reaction conditions to increase the yield and purity of the final product?

asked Feb 14 in Chemical synthesis

1 answer 39 views

How can the synthesis process of carbon nanotubes be optimized to achieve higher purity and yield?

answered Feb 14 in Materials Chemistry

1 answer 35 views

What is the role of metal ions in metalloenzymes and metalloproteins? How do these metal ions contribute to the catalytic activity of the enzyme or protein? Provide specific examples and mechanisms of these reactions.

answered Feb 13 in Coordination Chemistry

1 answer 39 views

How does increasing the pressure of a gas reactant affect the rate of a chemical reaction at a constant temperature and concentration of other reactants?

asked Feb 13 in Chemical kinetics

1 answer 36 views

How does inadequate training for chemistry teachers affect the quality of education in high school chemistry classes?

asked Feb 13 in Chemical education

1 answer 8 views

How can we design drugs that target specific neuroreceptors and enhance neurotransmitter signaling for the treatment of Alzheimer's disease?

answered Feb 12 in Medicinal Chemistry

1 answer 8 views

How does cholesterol affect the fluidity of the cell membrane?

asked Feb 12 in BioChemistry

1 answer 31 views

How can chemistry curriculum and teacher training be improved to better prepare educators for teaching chemistry in a way that engages and inspires students?

asked Feb 4 in Chemical education

1 answer 53 views

Calculate the standard enthalpy change for the reaction: C2H5OH(l) + 3 O2(g) → 2 CO2(g) + 3 H2O(l), given the following standard enthalpies of formation: ΔHf°[C2H5OH(l)] = -277.69 kJ/mol, ΔHf°[CO2(g)] = -393.51 kJ/mol, ΔHf°[H2O(l)] = -285.83 kJ/mol.

answered Feb 3 in Chemical thermodynamics

1 answer 68 views

How does the drug aspirin reduce pain and inflammation in the body at a molecular level?

answered Jan 31 in Medicinal Chemistry

1 answer 53 views

How does the application of ab initio calculations help in determining the electronic structure and molecular properties of small molecules such as H2, O2, and N2, and what are the practical applications of these calculations in the field of chemistry?

asked Jan 30 in Computational Chemistry

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