Recent activity by SanoraMarzan

1 answer 18 views

How does the Si/Al ratio affect the acidity of H-Mordenite zeolites? Use computational methods to investigate the interaction between acid site density and Si/Al ratio in H-Mordenite zeolites.

answered 1 day ago in Computational Chemistry

1 answer 31 views

What is the rate constant of the reaction between hydrochloric acid and sodium thiosulfate?

answered 3 days ago in Inorganic Chemistry

1 answer 18 views

What are the optimal conditions (temperature, length of reaction, concentration of reactants) for the preparation of 2,4,6-trinitrotoluene from toluene and nitric acid to achieve the highest yield possible?

answered 3 days ago in Chemical synthesis

1 answer 24 views

What is the pKa value of ethanoic acid (CH3COOH)? How does this value affect the acidity of the solution if the pH of the solution is 5?

asked 3 days ago in Organic Chemistry

1 answer 15 views

How does the Monte Carlo simulation method assist in the study of phase transitions in a given chemical system? Provide a detailed explanation with examples.

asked 4 days ago in Computational Chemistry

1 answer 34 views

How does the mechanism of chain scission affect the degradation and stability of polymer materials?

asked 4 days ago in Polymer Chemistry

1 answer 24 views

How do the functional groups present in biomolecules like proteins and nucleic acids dictate their unique properties and functions in living systems?

answered 5 days ago in Organic Chemistry

1 answer 37 views

How does the concentration of nitrogen and phosphorus affect the growth of harmful algae in aquatic ecosystems, and how can we effectively reduce these nutrient pollutants to improve water quality?

answered 6 days ago in Environmental Chemistry

1 answer 22 views

How does the binding of transcription factor proteins to specific DNA sequences regulate gene expression in prokaryotes and eukaryotes?

answered Feb 17 in BioChemistry

1 answer 20 views

How does the number of carbon atoms affect the band gap of graphene and other 2D materials, and how can this be calculated using quantum chemistry calculations?

asked Feb 17 in Quantum Chemistry

1 answer 28 views

How does the addition of a strong acid or base affect the ionization of a weak acid or base and what is the resulting change in equilibrium concentration of ions in a solution? Provide an example with relevant calculations.

answered Feb 17 in Chemical equilibrium

1 answer 22 views

How does the active site of an enzyme contribute to catalysis, and can computational models accurately predict and optimize enzyme activity through modifications to the active site?

asked Feb 17 in Computational Chemistry

1 answer 36 views

What is the effect of the concentration of a detergent solution on its ability to lower the surface tension of water?

asked Feb 17 in Surface Chemistry

1 answer 7 views

How do hormones such as insulin and glucagon regulate blood glucose levels and what is the molecular mechanism behind it? How do changes in molecular structure affect hormone signaling and function in the body?

asked Feb 13 in BioChemistry

1 answer 46 views

What is the effect of coadministration of Warfarin and Aspirin on the pharmacokinetics and pharmacodynamics of each drug?

answered Feb 12 in Medicinal Chemistry

1 answer 19 views

How can the mechanical properties of 3D printed polymer materials be improved for industrial applications?

asked Feb 10 in Polymer Chemistry

1 answer 37 views

How can molecular dynamics simulations help in understanding the folding mechanism of a protein? Provide a step-by-step analysis of the simulation process and explain how the output data can be interpreted to study protein folding.

asked Feb 5 in Computational Chemistry

1 answer 32 views

How can incorporating environmental chemistry into the curriculum improve students' understanding of the impact of chemical reactions on the environment and promote sustainable practices in the field of chemistry?

asked Feb 5 in Chemical education

1 answer 48 views

Given the balanced chemical equation: C6H12O6 + 6O2 -> 6CO2 + 6H2O The enthalpy of formation of glucose is -1273 kJ/mol and the enthalpy of formation of water is -286 kJ/mol. Calculate the enthalpy change of the oxidation of glucose in kJ/mol.

answered Feb 4 in ThermoChemistry

1 answer 35 views

Calculate the standard enthalpy change for the phase transition reaction of solid carbon dioxide (dry ice) at -78.5°C to gaseous carbon dioxide at 1 atm and 25°C given that the enthalpy of formation of solid carbon dioxide and gaseous carbon dioxide are -393.5 kJ/mol and -393.5 kJ/mol, respectively.

answered Feb 3 in Chemical thermodynamics

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