Recent activity by ReinaldoMunz

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What is the root cause of difficulty in understanding the periodic table and chemical elements among chemistry students, and how can it be addressed effectively?

answered 1 day ago in Chemical education

1 answer 20 views

How does the change in temperature affect the rate of a specific photochemical reaction?

asked 3 days ago in PhotoChemistry

1 answer 18 views

How do the photochemical properties of coordination compounds differ from those of organic compounds, and what impact do the coordination number and geometry have on their photochemical behavior?

answered 4 days ago in PhotoChemistry

1 answer 20 views

What are the optimal reaction conditions (temperature, time, and stoichiometry) required for the synthesis of polyurethane from diisocyanate and polyol to achieve the desired mechanical properties and maximum yield?

answered 4 days ago in Chemical synthesis

1 answer 31 views

What is the most efficient protecting group strategy for selectively protecting the primary alcohol in a mixture of primary and secondary alcohols during a synthesis reaction?

answered 4 days ago in Organic Chemistry

1 answer 23 views

How does the molecular weight of the polymer affect the efficiency and performance of polymer-based photovoltaic materials?

asked 4 days ago in Polymer Chemistry

1 answer 23 views

What is the mechanism for the electrophilic aromatic substitution reaction of toluene with nitric acid to form nitrobenzene? How does the presence of a methyl group on the benzene ring affect the rate and regiochemistry of the reaction?

asked 5 days ago in Organic Chemistry

1 answer 31 views

What are the key enzymes involved in degradation and turnover of proteins within cells, and how do they differ in terms of their mechanism and substrate specificity?

answered 5 days ago in BioChemistry

1 answer 31 views

How does the coordination chemistry of lanthanide and actinide complexes differ from that of other transition metals?

answered 6 days ago in Coordination Chemistry

1 answer 19 views

How does the binding affinity between a specific protein and its ligand vary with temperature, and how can molecular dynamics simulations be used to predict and understand these changes?

asked Feb 17 in Computational Chemistry

1 answer 22 views

How does the addition of stabilizing agents affect the stability of oil-in-water emulsions?

answered Feb 17 in Surface Chemistry

1 answer 30 views

How can we optimize the photochemical properties of luminescent materials for their use in organic light-emitting diodes (OLEDs)?

asked Feb 14 in PhotoChemistry

1 answer 38 views

What are the possible consequences of inadequate training for chemistry teachers on students' academic performance and interest in chemistry?

asked Feb 13 in Chemical education

1 answer 26 views

Identify the types of isomerism present in the complex [Co(NH3)4Cl2]+ and draw their structural formulas.

answered Feb 13 in Coordination Chemistry

1 answer 46 views

How can the mechanical properties of a polymer-based smart material be manipulated by changing its chemical composition and processing conditions?

asked Feb 10 in Polymer Chemistry

1 answer 31 views

How can chemistry students overcome the limited availability of extracurricular activities related to chemistry in their local community and still gain practical experience in the field?

asked Feb 5 in Chemical education

1 answer 64 views

What is the effect of changing the properties of polymer-based materials, such as molecular weight and temperature, on the quality and mechanical properties of 3D printed parts?

asked Feb 3 in Polymer Chemistry

1 answer 84 views

How does the pH and concentration of heavy metals in acid mine drainage affect the water quality, and what chemical processes can be utilized to remediate this type of pollution?

asked Jan 30 in Environmental Chemistry

1 answer 46 views

What is the concentration of copper ions (Cu2+) in a sample of industrial wastewater? Use voltammetry to determine the amount of copper ions present in the sample and calculate the concentration in parts per million (ppm).Note: The student should be familiar with the principles of voltammetry and know how to prepare and analyze samples for this technique.

answered Jan 30 in Analytical Chemistry

1 answer 91 views

What is the concentration (in molarity) of a hydrochloric acid solution, HCl, if 25.0 ml of a 0.100 M sodium hydroxide solution, NaOH, was required to neutralize 35.0 ml of the HCl solution during a titration?

answered Jan 30 in Analytical Chemistry

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