Recent activity by CatharineNic

1 answer 16 views

How does the size and composition of microplastics affect their toxicity towards marine life?

answered 2 days ago in Environmental Chemistry

1 answer 27 views

What is the equilibrium constant for the reaction between iodine and iodide ions where iodine acts as a weak oxidizing agent? Provide the balanced chemical equation for the reaction and calculate the equilibrium constant (Kc) at a given temperature.

asked 5 days ago in Chemical equilibrium

1 answer 39 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 Feb 19 in Environmental Chemistry

1 answer 29 views

What is the bond order of O2 molecule using molecular orbital theory?

asked Feb 18 in Chemical bonding

1 answer 18 views

What is the bond order of a nitrogen molecule (N2)?

asked Feb 18 in Chemical bonding

1 answer 34 views

How does the binding of transcription factors to DNA regulate gene expression? Provide an explanation using specific examples.

answered Feb 17 in BioChemistry

1 answer 30 views

How does the nitrogen and phosphorus pollution in a water body affect the growth of harmful algal blooms and what is the mechanism behind it?

answered Feb 14 in Environmental Chemistry

1 answer 27 views

What effect does molecular weight have on the rheological properties of polymer melts?

asked Feb 13 in Polymer Chemistry

1 answer 29 views

How do the molecular dynamics simulations of protein-ligand interactions provide insights into the binding mechanism and affinity of different ligands to a specific protein target?

answered Feb 13 in Computational Chemistry

1 answer 34 views

What is the role of molecular chaperones in protein folding? How do they assist proteins in achieving their correct conformation?

asked Feb 13 in BioChemistry

1 answer 29 views

What is the dipole moment of methane molecule and how is it calculated?

asked Feb 13 in Chemical bonding

1 answer 34 views

How does the nature of the catalyst and the properties of the solid surface affect the rate of a chemical reaction in heterogeneous catalysis?

answered Feb 13 in Surface Chemistry

1 answer 36 views

What is the polarity of the bond between carbon and oxygen in a carbon dioxide molecule?

asked Feb 13 in Chemical bonding

1 answer 42 views

How does electrolyte concentration affect the colloidal stability and coagulation of a gold colloid? Provide experimental evidence to support your answer.

answered Feb 13 in Surface Chemistry

1 answer 35 views

How can the surface chemistry of metals be modified to prevent or reduce corrosion and promote passivation?

answered Feb 11 in Surface Chemistry

1 answer 29 views

How can technology be effectively integrated into chemistry education to help students better understand complex concepts, without becoming a distraction or hindrance to their learning process?

answered Feb 6 in Chemical education

1 answer 30 views

How can chemistry teachers provide adequate support for students with learning disabilities to ensure they have equal opportunities to succeed in the subject?

answered Feb 6 in Chemical education

1 answer 32 views

How can chemistry educators improve the emphasis on practical applications of chemistry in the classroom to better prepare students for future careers in the field?

answered Feb 4 in Chemical education

1 answer 45 views

Calculate the standard enthalpy change for the reaction: NaOH(aq) + HCl(aq) → NaCl(aq) + H2O(l) Given the following information: ΔHf° [NaOH(aq)] = -469.1 kJ/mol ΔHf° [HCl(aq)] = -167.2 kJ/mol ΔHf° [NaCl(aq)] = -407.3 kJ/mol ΔHf° [H2O(l)] = -286 kJ/mol

answered Feb 3 in Chemical thermodynamics

1 answer 51 views

How does changing the reaction conditions (e.g. temperature, pressure, solvent) affect the reaction mechanism of a particular chemical reaction? Use quantum chemical calculations to predict the mechanism and compare it to experimental results.

answered Feb 3 in Computational Chemistry

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