Recent activity by JewelSchaffe

1 answer 14 views

How does the presence of heteroatoms such as nitrogen or oxygen in the ring structure of heterocyclic compounds affect their reactivity in organic reactions? Provide a specific example of a heterocyclic compound and explain its reaction mechanism.

asked Feb 22 in Organic Chemistry

1 answer 24 views

What is the mechanism or pathway for the Photoisomerization of retinal in rhodopsin, and how is this process related to vision?

asked Feb 22 in Physical Chemistry

1 answer 28 views

How does the size, shape, and surface characteristics of mesogenic particles affect the phase behavior of liquid crystals in Monte Carlo simulations?

asked Feb 22 in Computational Chemistry

1 answer 31 views

What is the optimal reaction condition for the preparation of p-nitroaniline from aniline and nitric acid, and how can the yield of the product be improved?

asked Feb 21 in Chemical synthesis

1 answer 32 views

How does the introduction of a single atom impurity affect the electronic transport properties of a gold nanowire as predicted by Density Functional Theory calculations?

asked Feb 20 in Computational Chemistry

1 answer 36 views

What is the heat of formation of hydrogen chloride (HCl) if the enthalpy change of the reaction 2H2(g) + Cl2(g) -> 2HCl(g) is -184.6 kJ/mol?

asked Feb 20 in Chemical bonding

1 answer 33 views

What is the enthalpy of vaporization of water at 373K? Given the heat of formation of liquid water is -285.8 kJ/mol and the heat of formation of water vapor is -241.8 kJ/mol. The vapor pressure of water at the boiling point (373K) is 101.325 kPa.

answered Feb 20 in ThermoChemistry

1 answer 31 views

What is the mechanism for the dehydration of 2-methyl-2-butanol using concentrated sulfuric acid, and what is the major product formed in the reaction?

answered Feb 19 in Organic Chemistry

1 answer 40 views

What is the effect of degree of polymerization on the tensile strength and viscosity of a polymer?

answered Feb 19 in Physical Chemistry

1 answer 39 views

What is the effect of the concentration of photosensitizers on the rate of a photochemical reaction?

asked Feb 19 in PhotoChemistry

1 answer 34 views

How does the concentration and type of surfactants in detergent affect the ability to remove oil-based stains from clothing?

answered Feb 18 in Surface Chemistry

1 answer 29 views

What is the best catalyst and reaction conditions for the synthesis of polyvinylpyrrolidone from vinylpyrrolidone monomer, in terms of high yield and low impurities?

asked Feb 17 in Chemical synthesis

1 answer 37 views

What is the balanced chemical equation for the synthesis reaction between iron and sulfur to form iron(II) sulfide?

asked Feb 17 in Chemical reactions

1 answer 26 views

What is the balanced chemical equation for the combustion reaction of propane (C3H8) with oxygen gas (O2)?

asked Feb 17 in Chemical reactions

1 answer 38 views

How does the addition of different functional groups affect the electronic transport properties of a specific organic compound as predicted by density functional theory calculations?

answered Feb 17 in Computational Chemistry

1 answer 38 views

How can the yield of carbon nanotube synthesis be optimized using different methods and conditions?

answered Feb 14 in Materials Chemistry

1 answer 24 views

How can we optimize the selectivity of immunosuppressive drugs used to treat autoimmune diseases, while minimizing their undesirable side effects?

answered Feb 14 in Medicinal Chemistry

1 answer 65 views

What is the coordination number of sodium ion (Na+) in the sodium chloride crystal structure and how many nearest neighbors does a sodium ion have?

asked Feb 13 in Physical Chemistry

1 answer 37 views

How can the pharmacological activity of natural products be optimized for their use in medicinal chemistry?

answered Feb 10 in Medicinal Chemistry

1 answer 47 views

How can inadequate emphasis on chemical reactions and equations affect a student's understanding of chemistry concepts, and what steps can be taken to improve this emphasis in the classroom?

asked Feb 6 in Chemical education

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