Recent activity by RosarioManto

1 answer 64 views

How does the size and shape of a molecule affect its ability to transport charge or energy in the nanoscale system?

asked Feb 24 in Quantum Chemistry

1 answer 33 views

How do the photochemical properties of chiral molecules differ from achiral molecules? Provide an example of a chiral molecule and explain how light absorption can affect its molecular structure and biological activity.

asked Feb 22 in PhotoChemistry

1 answer 32 views

How does the molecular structure of a photovoltaic material affect its photochemical properties and ultimately, its efficiency in converting sunlight into electrical energy?

answered Feb 21 in PhotoChemistry

1 answer 26 views

What is the mechanism of the nucleophilic substitution reaction between bromoethane and sodium hydroxide?

answered Feb 20 in Organic Chemistry

1 answer 34 views

How does the geometric structure of a transition metal complex affect its electronic properties as predicted by ab initio calculations?

answered Feb 20 in Computational Chemistry

1 answer 19 views

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

answered Feb 18 in Chemical reactions

1 answer 35 views

How do supramolecular assemblies affect the photochemical properties of organic compounds and how can this phenomenon be utilized in inorganic chemistry?

asked Feb 14 in PhotoChemistry

1 answer 37 views

How do the photochemical properties of quantum dots compare to those of traditional organic dyes?

answered Feb 14 in PhotoChemistry

1 answer 36 views

How can we optimize the yield of the Fischer-Tropsch synthesis reaction to produce a higher yield of liquid hydrocarbons from syngas (a mixture of carbon monoxide and hydrogen gas)?

asked Feb 14 in Chemical engineering

1 answer 62 views

What are the specific characteristics that can help identify whether a particular inorganic solid is ionic, covalent, or metallic? Provide examples of each type of inorganic solid and describe their distinguishing properties.

asked Feb 13 in Inorganic Chemistry

1 answer 36 views

How do coordination complexes of metal ions contribute to the activity of metalloenzymes and metalloproteins, and what are the specific functions of these complexes in their respective biochemical reactions?

asked Feb 12 in Coordination Chemistry

1 answer 72 views

How can the synthesis and characterization of new materials be optimized for use in highly efficient and cost-effective solar cells?

answered Feb 11 in Materials Chemistry

1 answer 38 views

How can metabolomics and systems biology be used to determine the effect of a specific drug on the metabolic pathways of a cell?

asked Feb 5 in BioChemistry

1 answer 47 views

How can chemistry students from low-income communities access high-quality resources and textbooks to enhance their understanding and mastery of the subject?

answered Feb 4 in Chemical education

1 answer 42 views

How can chemistry educators increase awareness among their students about the importance of safety protocols in laboratory experiments and ensure that all students adhere to these protocols to prevent accidents and injuries?

asked Feb 4 in Chemical education

1 answer 46 views

Calculate the standard enthalpy change for the precipitation reaction of solid silver chloride (AgCl) from the aqueous solution with the precipitation agent, hydrochloric acid (HCl). Given the molar enthalpies of formation of AgCl(s) and HCl(g) are -127.01 kJ/mol and -92.31 kJ/mol, respectively. The balanced equation for the reaction is: AgNO3(aq) + HCl(aq) → AgCl(s) + HNO3(aq)

answered Feb 3 in Chemical thermodynamics

1 answer 117 views

How do changes in environmental pH affect the catalytic activity of enzymes?

asked Jan 31 in BioChemistry

1 answer 91 views

How can the lack of diversity in the chemistry field be addressed and what specific actions can be taken to promote inclusivity and equality in the workplace?

answered Jan 30 in Chemical education

1 answer 86 views

What is the effect of adding a catalyst on the equilibrium position of the redox reaction: Fe3+(aq) + SCN-(aq) ⇌ FeSCN2+(aq)? Calculate the equilibrium constants (Kc and Kp) at 25°C for the reaction with and without a catalyst. Also, explain why addition of a catalyst changes the position of the equilibrium in this system.

asked Jan 30 in Chemical equilibrium

1 answer 73 views

Calculate the bond length between two hydrogen atoms that are covalently bonded together. Given that the bond energy for the H-H bond is 436 kJ/mol and the force constant is 434 N/m.

answered Jan 23 in Chemical bonding

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