Recent activity by CaridadBaxte

1 answer 24 views

What is the mechanism for the Pinacol-Pinacolone rearrangement and what factors affect its rate?

1 answer 35 views

What is the optimal synthesis condition for the production of polyvinylpyrrolidone with high yield and molecular weight from vinylpyrrolidone monomer using a specific catalyst?

answered Feb 21 in Chemical synthesis

1 answer 35 views

What is the hybridization of the carbon atom in the molecule CH3Cl?

asked Feb 20 in Chemical bonding

1 answer 33 views

What is the electronic excitation energy required for a molecule to absorb light in the visible region and what are its corresponding optical properties?

answered Feb 20 in Quantum Chemistry

1 answer 38 views

What is the effect of varying reactant concentrations on the reaction rate and efficiency in the chemical reaction between hydrochloric acid and sodium thiosulfate, and how can this be explained using the collision theory?

asked Feb 20 in Chemical kinetics

1 answer 31 views

If 2.5 moles of NaOH reacts with excess HCl, how many moles of NaCl can be produced?

answered Feb 17 in Chemical reactions

1 answer 35 views

How can the use of pesticides in modern agriculture be reduced to promote sustainable practices without compromising crop yield and quality?

asked Feb 14 in Environmental Chemistry

1 answer 35 views

How can we effectively remediate a contaminated site with heavy metal pollutants using phytoremediation methods?

asked Feb 14 in Environmental Chemistry

1 answer 40 views

How do photosensitive materials used in photography exhibit photochemical behavior under different wavelengths of light and how can this behavior be controlled to optimize photographic results?

asked Feb 14 in PhotoChemistry

1 answer 36 views

What is the mechanism of phosphorescence in organic molecules, and what factors determine the efficiency and lifetime of the excited state?

answered Feb 14 in PhotoChemistry

1 answer 39 views

Using molecular orbital theory, calculate the bond order of the H2 molecule. Show all your calculations and explain what the bond order indicates about the stability of the molecule.

answered Feb 13 in Chemical bonding

1 answer 115 views

How can we design a drug that specifically targets and eliminates the bacteria responsible for tuberculosis while avoiding harm to beneficial bacteria in the body?

asked Feb 12 in Medicinal Chemistry

1 answer 75 views

What is the effect of cross-linking density on the mechanical properties of PEG-based hydrogels used as scaffolds for tissue engineering applications?

answered Feb 12 in Materials Chemistry

1 answer 104 views

How does the presence of chlorofluorocarbons (CFCs) in the atmosphere lead to ozone depletion and what are the specific chemical reactions involved in this process?

asked Feb 12 in Environmental Chemistry

1 answer 78 views

How can the release rate of a drug from a polymer-based drug delivery system be controlled by varying the molecular weight and composition of the polymer?

answered Feb 10 in Polymer Chemistry

1 answer 35 views

How can the efficiency of solar cells be improved by synthesizing and characterizing new materials with higher absorption coefficients and longer charge carrier lifetimes?

asked Feb 7 in Materials Chemistry

1 answer 79 views

Calculate the standard free energy change for the following redox reaction:2HgO(s) → 2Hg(l) + O2(g)Given: ΔG°f (HgO) = -90.83 kJ/molΔG°f (Hg) = 0 kJ/mol ΔG°f (O2) = 0 kJ/mol.

answered Feb 3 in Chemical thermodynamics

1 answer 73 views

Calculate the standard cell potential (E°) for the following electrochemical cell:Zn(s) | Zn2+(aq, 0.100M) || Cr3+(aq, 0.050M) | Cr(s)Given: E°cell (Zn2+/Zn) = -0.76 VE°cell (Cr3+/Cr) = -0.74 V

answered Feb 3 in Physical Chemistry

1 answer 86 views

How can chemistry teachers make their class more engaging and interesting for students who lack interest in the subject?

asked Jan 30 in Chemical education

1 answer 130 views

How can X-ray fluorescence (XRF) spectroscopy be used to accurately identify the presence and concentration of specific elements in a given sample, and what are the limitations of this technique for quantitative analysis in analytical chemistry?

answered Jan 30 in Analytical Chemistry

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