Recent activity by CesarForlong

1 answer 25 views

What is the relationship between the length of the conjugated polymer chain and its energy gap? How does the energy gap affect the electronic and optical properties of the polymer? Provide a detailed explanation using quantum chemistry calculations.

asked Feb 24 in Quantum Chemistry

1 answer 36 views

What is the dipole moment of a water molecule and how is it predicted using the electronegativity difference between the oxygen and hydrogen atoms?

asked Feb 19 in Chemical bonding

1 answer 26 views

What is the influence of cross-linking density on the mechanical properties of polymeric materials commonly used in biomedical applications?

asked Feb 19 in Materials Chemistry

1 answer 26 views

What is the critical micelle concentration of sodium dodecyl sulfate in an aqueous solution at a temperature of 25°C?

answered Feb 19 in Surface Chemistry

1 answer 29 views

How does the coordination environment of metal ion in metalloenzymes affect their catalytic activity? Provide an example from the literature and discuss the implications for understanding enzyme function.

asked Feb 19 in Coordination Chemistry

1 answer 26 views

What is the balanced chemical equation for the double replacement reaction between sodium hydroxide and lead (II) nitrate?

answered Feb 17 in Chemical reactions

1 answer 33 views

What is the role of RNA polymerase in RNA transcription, and how does it differ from DNA polymerase in DNA replication?

asked Feb 14 in BioChemistry

1 answer 43 views

How can we optimize the synthesis process for high-quality quantum dots with improved fluorescence and stability?

answered Feb 14 in Materials Chemistry

1 answer 15 views

How do the properties of nanoparticles differ from those of bulk materials, and what factors contribute to these differences?

asked Feb 13 in Physical Chemistry

1 answer 123 views

Identify the primary biomolecules present in a sample of DNA extracted from a eukaryotic cell and describe their chemical structures.

answered Feb 13 in Organic Chemistry

1 answer 65 views

How does the coordination chemistry of chelating agents affect their ability to bind with metal ions for potential application in chelation therapy?

asked Feb 12 in Coordination Chemistry

1 answer 34 views

How can chemistry teachers provide better support and accommodations for students with learning disabilities to promote their success and engagement in the subject?

asked Feb 5 in Chemical education

1 answer 40 views

How can chemical educators help students overcome the difficulty of understanding the periodic table and chemical elements?

answered Feb 4 in Chemical education

1 answer 76 views

What is the effect of changing the concentration of reactants on the conversion of reactants into products?

answered Feb 3 in Chemical kinetics

1 answer 90 views

What is the difference in reactivity between aliphatic and aromatic compounds when subjected to a nucleophilic substitution reaction? Provide specific examples of each type of compound and their expected reactions.

asked Jan 31 in Organic Chemistry

1 answer 95 views

What is the concentration of hydrochloric acid (HCl) in a solution if it took 25.0 mL of 0.100 M sodium hydroxide (NaOH) to neutralize 30.0 mL of the HCl solution?

asked Jan 30 in Analytical Chemistry

1 answer 57 views

How can UV-Vis spectroscopy be used to identify the presence of specific functional groups such as carbonyl, alcohol, or amine groups in a given compound?

asked Jan 29 in Analytical Chemistry

1 answer 123 views

A bottle contains a mixture of nitrogen and oxygen gases. At a specific temperature and pressure, the nitrogen molecules move on an average velocity of 500 m/s and oxygen molecules move at 400 m/s. What is the partial pressure of nitrogen and oxygen in the mixture if the total pressure of the gas is 1 atm?

answered Jan 22 in Physical Chemistry

1 answer 76 views

According to Howard Gardner's theory of multiple intelligences, how many types of intelligence are there?

asked Jan 20 in Psychology

1 answer 68 views

What is the impact of psychology on human behaviour?

asked Jan 20 in Psychology

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