Recent activity by CaraPrerauer

1 answer 30 views

How does the size and shape of metallic silver nanoparticles affect the efficiency of silver halide photochemical reactions in photosensitive materials used in photography?

asked Feb 24 in PhotoChemistry

1 answer 34 views

What is the optimal reaction conditions and catalyst for the synthesis of high molecular weight polystyrene with a desired molecular weight range of 100,000-500,000 g/mol from styrene monomer?

asked Feb 21 in Chemical synthesis

1 answer 29 views

What is the optimal ratio of diisocyanate and polyol required for the synthesis of polyurethane with desired mechanical and thermal properties?

asked Feb 21 in Chemical synthesis

1 answer 30 views

How does the metabolic profile of cancer cells differ from that of healthy cells, and how can this information be used to develop targeted cancer treatments?

asked Feb 20 in BioChemistry

1 answer 31 views

What is the critical temperature of a substance and how does it affect its phase behavior? Provide an example with the phase diagram of CO2 to illustrate your answer.

asked Feb 19 in Physical Chemistry

1 answer 33 views

How does the composition and structure of glasses affect their refractive index and light transmission properties, and how can these properties be optimized for specific optical applications such as lenses, prisms, and optical fibers?

asked Feb 18 in Materials Chemistry

1 answer 29 views

What is the balanced chemical equation for the reaction between magnesium (Mg) and hydrochloric acid (HCl) to form magnesium chloride (MgCl2) and hydrogen gas (H2)?

answered Feb 17 in Chemical reactions

1 answer 34 views

What is the balanced chemical equation for the combustion of methane gas (CH4) and what is the oxidation state of carbon in CH4 before and after the combustion reaction?

asked Feb 17 in Chemical reactions

1 answer 30 views

What is the effect of temperature and pressure on the adsorption of gases on solid surfaces?

answered Feb 17 in Surface Chemistry

1 answer 31 views

How does the addition of a specific ligand affect the folding kinetics of a certain protein? Use molecular dynamics simulations of protein folding to investigate the effect of various concentrations of the ligand on the folding process of the protein.

asked Feb 17 in Computational Chemistry

1 answer 42 views

How can we modify the structure of a drug molecule to increase its binding affinity and specificity towards a particular enzyme or receptor target, while also minimizing potential side effects on other biological systems?

asked Feb 13 in Medicinal Chemistry

1 answer 59 views

What is the relationship between enantiomers and diastereomers, and how can you determine if a molecule is chiral or achiral? Provide an example of a chiral molecule and its enantiomers or diastereomers.

answered Feb 13 in Organic Chemistry

1 answer 34 views

How can we design a drug that specifically targets and kills breast cancer cells without damaging healthy cells?

asked Feb 12 in Medicinal Chemistry

1 answer 44 views

How can the mechanical and physical properties of a polymer be optimized during the processing and manufacturing stage to achieve its desired end-use properties?

answered Feb 7 in Polymer Chemistry

1 answer 64 views

What is the effect of changing the concentration of reactants on the equilibrium constant for a chemical reaction and how can it be measured experimentally?

asked Feb 3 in Chemical kinetics

1 answer 64 views

Calculate the enthalpy change when solid sodium hydroxide (NaOH) is dissolved into water, given that the desorption enthalpy of NaOH is 44.51 kJ/mol and the molar heat of solution is -44.51 kJ/mol.

answered Jan 23 in ThermoChemistry

1 answer 38 views

Ammonia and hydrochloric acid react to form ammonium chloride according to the equation: NH3(g) + HCl(g) ⇌ NH4Cl(s). If a student were to add 0.1 moles of NH4Cl to the mixture at equilibrium and the volume of the container is constant, what will be the new concentration of NH3(g) and HCl(g) in the mixture?

asked Jan 22 in Chemical equilibrium

1 answer 89 views

A brass alloy electrode with an area of 5 cm² is immersed in a 0.5 M NaCl solution at 25°C. Given that the standard potential of the electrode is -0.35 V versus a standard hydrogen electrode, calculate the corrosion current density of the electrode in the given environment using Tafel extrapolation.

asked Jan 22 in ElectroChemistry

1 answer 133 views

What is the functional group present in a sample compound that shows peaks at 1734 cm^-1 and 1640 cm^-1 on an infrared spectrum?

answered Jan 21 in Organic Chemistry

1 answer 63 views

According to the working memory model, what is the relationship between attention and working memory?

asked Jan 20 in Psychology

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