Recent activity by FrancescaTor

1 answer 27 views

How does the polarity of a solvent affect the solubility of a substance? Provide a detailed explanation with examples.

asked Feb 22 in Chemical bonding

1 answer 31 views

How do the physicochemical properties of landfill leachate impact the quality of groundwater and what are the specific remediation strategies that can be employed to mitigate this impact on the environment?

answered Feb 22 in Environmental Chemistry

1 answer 22 views

What are the resonance structures of the molecule NO3- and how do the different structures contribute to its stability?

asked Feb 21 in Chemical bonding

1 answer 21 views

What is the effect of temperature on the rate of the reaction between magnesium and hydrochloric acid, and how does it relate to the Arrhenius equation?

asked Feb 20 in Chemical kinetics

1 answer 26 views

What is the effect of cross-linking density on the swelling behavior of a polymer-based superabsorbent material?

asked Feb 19 in Polymer Chemistry

1 answer 41 views

How does the chemical composition of glasses affect their refractive index and transparency, and what role does the preparation method play in optimizing these properties for their use in optical applications?

asked Feb 18 in Materials Chemistry

1 answer 39 views

How does the Calvin cycle in photosynthesis fix carbon atoms into organic molecules, and what are the specific chemical reactions involved in this process?

asked Feb 18 in BioChemistry

1 answer 35 views

What factors affect the strength of covalent bonds in a molecule?

answered Feb 14 in Chemical bonding

1 answer 31 views

How does passivation prevent corrosion on the surface of metals? Provide examples of metals that can undergo passivation and explain the mechanism involved in the passivation process.

answered Feb 14 in Surface Chemistry

1 answer 66 views

How can we increase diversity in the chemistry field to promote inclusivity and equity in research and educational opportunities?

asked Feb 13 in Chemical education

1 answer 63 views

How does the drug ibuprofen alleviate pain and reduce inflammation in the body at the molecular level?

answered Feb 13 in Medicinal Chemistry

1 answer 34 views

How can the permeability and selectivity of polymer-based membranes for water treatment be optimized for the removal of specific contaminants, such as heavy metals or organic compounds?

answered Feb 10 in Polymer Chemistry

1 answer 35 views

How can the environmental impact of a proposed industrial project be assessed and minimized using chemical principles and techniques?

answered Feb 7 in Environmental Chemistry

1 answer 47 views

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

answered Feb 5 in Computational Chemistry

1 answer 36 views

How can molecular docking studies be utilized to identify potential inhibitors of the protein-protein interaction between two specific proteins involved in a disease state?

asked Feb 5 in Computational Chemistry

1 answer 39 views

How can magnetic resonance spectroscopy be used to determine the purity and concentration of a sample in organic chemistry?

answered Feb 5 in Physical Chemistry

1 answer 40 views

How can chemistry students with limited access to extracurricular activities take advantage of available resources to enhance their practical learning experience?

asked Feb 5 in Chemical education

1 answer 39 views

How can chemistry students in developing countries overcome the limited availability of textbooks and resources to adequately prepare for their exams and improve their understanding of key concepts in the subject?

answered Feb 5 in Chemical education

1 answer 71 views

Calculate the standard enthalpy change for the reaction: 2NaOH (s) + H2SO4 (aq) → Na2SO4 (aq) + 2H2O (l)given that the standard enthalpy of formation of Na2SO4 (aq) is -1385 kJ/mol, and the standard enthalpies of formation of NaOH (s), H2SO4 (aq) and H2O (l) are -425 kJ/mol, -814 kJ/mol and -286 kJ/mol respectively.

asked Feb 3 in Chemical thermodynamics

1 answer 55 views

Calculate the standard electrode potential of an electrode that is in contact with a solution containing 0.1 M copper (II) ions and its concentration of Cu2+ ions is in equilibrium with a hydrogen electrode at 1 atm hydrogen pressure and pH = 0.

asked Feb 3 in ElectroChemistry

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