Recent activity by BonnieSayre

1 answer 19 views

How does the presence of a catalyst affect the rate of electron transfer reactions and redox reactions?

answered 5 days ago in Quantum Chemistry

1 answer 25 views

What is the mechanism of the Friedel-Crafts acylation reaction, and how does it differ from the Friedel-Crafts alkylation reaction, in the context of synthesizing monoacylated benzene derivatives? Explain with an example of the reaction.

asked Feb 20 in Organic Chemistry

1 answer 16 views

What is the critical micelle concentration (CMC) of sodium dodecyl sulfate (SDS) in water at 25°C?

asked Feb 19 in Surface Chemistry

1 answer 29 views

What is the coordination chemistry of the metalloenzyme nitrogenase, and how does it enable the conversion of atmospheric nitrogen into ammonia?

asked Feb 19 in Coordination Chemistry

1 answer 40 views

How does the concentration of the reactants affect the selectivity of a reaction in a chemical system?

asked Feb 19 in Chemical kinetics

1 answer 31 views

How does the chemical structure of existing drugs affect their toxicity levels in the human body, and how can this information be used to design safer and more effective drugs for clinical use?

asked Feb 18 in Medicinal Chemistry

1 answer 29 views

How does the chemical structure and molecular weight of a polymer affect its susceptibility to UV degradation?

answered Feb 18 in Polymer Chemistry

1 answer 22 views

What is the bond enthalpy of O-H bond in the water molecule and how does it affect the overall bond enthalpy of the molecule?

asked Feb 18 in Chemical bonding

1 answer 24 views

How can we use structure-based drug design approaches to develop more effective chemotherapeutic agents for the treatment of breast cancer?

answered Feb 14 in Medicinal Chemistry

1 answer 28 views

How can we use molecular docking studies to predict the binding affinity between two proteins involved in a disease pathway, and identify potential small molecule inhibitors to disrupt their interaction and potentially treat the disease?

asked Feb 13 in Computational Chemistry

1 answer 39 views

What is the number of electrons transferred in the following electrochemical reaction: Cu(s) + 2Ag+(aq) -> Cu2+(aq) + 2Ag(s) (Note: the standard reduction potentials of Cu2+(aq)/Cu(s) and Ag+(aq)/Ag(s) are 0.34V and 0.80V, respectively)

answered Feb 13 in ElectroChemistry

1 answer 39 views

How can we improve the sensitivity of gas sensors by synthesizing and characterizing new materials with high surface area and optimal molecular recognition properties?

asked Feb 13 in Materials Chemistry

1 answer 47 views

What is the electronic configuration and molecular structure of hydrogen fluoride (HF) molecule using quantum mechanics principles?

answered Feb 13 in Physical Chemistry

1 answer 49 views

How do changes in pH and temperature affect the activity of the enzyme catalase in breaking down hydrogen peroxide?

answered Feb 13 in BioChemistry

1 answer 9 views

How does the coordination chemistry of metalloenzymes and metalloproteins affect their enzymatic activity and reactivity towards substrates? Provide specific examples of metalloenzymes or metalloproteins and their coordination chemistry.

asked Feb 12 in Coordination Chemistry

1 answer 36 views

How can the design and synthesis of small molecule inhibitors help in developing new treatments for inflammatory diseases? What specific properties must be prioritized in these molecules to ensure their efficacy and safety as potential therapies?

answered Feb 6 in Medicinal Chemistry

1 answer 43 views

How can computational studies be used to predict and analyze the non-covalent interactions between molecules in supramolecular chemistry systems?

answered Feb 6 in Computational Chemistry

1 answer 27 views

How can chemistry educators provide better support and resources for students with learning disabilities in order to facilitate their understanding of complex chemical concepts and improve their success in the subject?

answered Feb 4 in Chemical education

1 answer 41 views

Given the following electrochemical equation:Cu(s) | Cu²⁺(aq, 0.0100 M) || Cr³⁺(aq, 1.00 M) | Cr(s)At 298 K, the standard reduction potential for Cu²⁺/Cu is +0.34 V and for Cr³⁺/Cr is -0.74 V. Calculate the equilibrium constant (K) for the above electrochemical reaction.

answered Feb 4 in ElectroChemistry

1 answer 48 views

Calculate the standard enthalpy of formation of carbon dioxide gas (CO2) given the following information: C(s) + O2(g) → CO2(g) ΔH = -393.5 kJ/mol H2(g) + 1/2O2(g) → H2O(l) ΔH = -285.8 kJ/mol 2C(s) + 2H2(g) + 5/2O2(g) → 2CO2(g) + 2H2O(l) ΔH = -890.4 kJ/mol

asked Feb 3 in ThermoChemistry

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