Recent activity by RosarioManto

1 answer 23 views

How does the ratio of reactants in a chemical reaction affect the rate of reaction and the amount of product formed?

answered 3 days ago in Chemical kinetics

1 answer 20 views

What is the predicted bond angle for the H2O molecule and what are the factors that affect this angle?

answered 3 days ago in Chemical bonding

1 answer 28 views

How does the polar nature of solvents affect the reaction rate of a chemical reaction?

asked 3 days ago in Chemical kinetics

1 answer 26 views

How does the molecular structure of a polymer affect its mechanical properties for use in biomedical applications, and how can we optimize these properties for specific medical devices or applications such as implants or drug delivery systems?

answered 4 days ago in Materials Chemistry

1 answer 35 views

What is the effect on the solubility of AgCl in water if the concentration of NaCl is increased? Calculate the new solubility of AgCl when the concentration of NaCl is increased from 0.1 M to 0.3 M. Given that the Ksp of AgCl is 1.77 x 10^-10.

asked 5 days ago in Chemical equilibrium

1 answer 21 views

How does the degree of conjugation affect the electronic and optical properties of a polymer, and how can this be accurately calculated using quantum chemistry methods?

asked 6 days ago in Quantum Chemistry

1 answer 19 views

What is the critical micelle concentration of sodium dodecyl sulfate in water at 25°C?

asked 6 days ago in Surface Chemistry

1 answer 22 views

What is the net ATP yield per glucose molecule during the complete oxidation of glucose in the Citric acid cycle and oxidative phosphorylation process?

asked Feb 18 in BioChemistry

1 answer 36 views

What are the factors affecting the photochemical properties of fluorescent dyes and how can they be controlled to enhance the sensitivity and accuracy of fluorescence-based assays?

answered Feb 14 in PhotoChemistry

1 answer 6 views

How does the decreased acetyl-CoA carboxylase activity affect the biosynthesis of triglycerides, cholesterol and fatty acids in the liver cells of overweight individuals who have developed non-alcoholic fatty liver disease?

answered Feb 14 in BioChemistry

1 answer 31 views

How does limited understanding of chemical bonding and molecular structure contribute to difficulties in predicting the properties and behavior of chemical compounds? Provide specific examples.

asked Feb 13 in Chemical education

1 answer 8 views

How can the synthesis of polystyrene from styrene monomer be optimized in terms of reaction conditions such as temperature, pressure, and catalyst choice to increase the yield and purity of the final product?

answered Feb 11 in Chemical synthesis

1 answer 33 views

How can the incorporation of carbon nanotubes and graphene oxide in polymer-based composites enhance the mechanical properties and durability of aerospace materials?

asked Feb 7 in Polymer Chemistry

1 answer 25 views

How can medicinal chemists design drugs to target specific mutations in genetic disorders, such as cystic fibrosis or sickle cell anemia, while avoiding off-target effects on healthy cells?

asked Feb 6 in Medicinal Chemistry

1 answer 33 views

How can chemists design new drugs that target specific receptors in the gastrointestinal tract to treat conditions such as irritable bowel syndrome and inflammatory bowel disease?

answered Feb 5 in Medicinal Chemistry

1 answer 41 views

How can spectroscopic techniques be used to determine the coordination number and geometry of a transition metal complex? Provide an example of a complex and the corresponding spectroscopic data that can be used to determine its structure.

answered Feb 5 in Coordination Chemistry

1 answer 42 views

Calculate the standard electrode potential of copper electrode if the Cu2+ ion concentration is 1.0 M and the electrode is at 25°C. The half-cell reaction is Cu2+(aq) + 2e- → Cu(s).

answered Feb 3 in ElectroChemistry

1 answer 72 views

What is the concentration of a particular protein in a given sample of blood plasma, and how does it compare to the normal concentration range? Analyze the composition of the blood plasma using the capillary electrophoresis technique and determine the concentration of the protein of interest. Compare the results with the established normal range to evaluate the potential health implications of the protein concentration in the sample.

answered Jan 30 in Analytical Chemistry

1 answer 58 views

Calculate the corrosion potential of iron in an acidic environment with a pH of 3.5, given that the half-reaction for the reduction of Fe3+ to Fe2+ is Fe3+ + e- → Fe2+ and the standard reduction potential (E°) for this half-reaction is +0.771 V.

answered Jan 23 in ElectroChemistry

1 answer 86 views

A chemistry student is given a sample of an unknown compound and is asked to determine its molecular formula and possible functional groups using mass spectrometry. The mass spectrum of the compound shows a molecular ion peak at m/z 158 and three intense fragmentation peaks at m/z 132, 104, and 77. Using this information, determine the molecular formula and possible functional groups of the unknown compound.

asked Jan 22 in Analytical Chemistry

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