Recent activity by NadineKzd354

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How does the size and shape of a gold nanoparticle affect its stability under different environmental conditions, and how can molecular dynamics simulations be used to study these interactions?

asked Feb 24 in Computational Chemistry

1 answer 28 views

How does the regulation of glycolysis allow for efficient energy production in the human body?

asked Feb 24 in BioChemistry

1 answer 24 views

How does the photochemistry of lanthanide complexes differ from that of transition metal complexes? Provide specific examples and mechanisms to support your answer.

asked Feb 22 in PhotoChemistry

1 answer 32 views

How can the use of polymer-based drug delivery systems be optimized to achieve targeted and sustained drug release for the treatment of a specific disease or condition?

asked Feb 22 in Polymer Chemistry

1 answer 30 views

How do the coordination structures of metalloenzymes and metalloproteins affect their catalytic activity? Provide examples to support your answer.

answered Feb 19 in Coordination Chemistry

1 answer 27 views

How does the cooling rate affect the crystal size in the polymerization process of polyethylene?

answered Feb 19 in Polymer Chemistry

1 answer 45 views

How does the concentration of reactants affect the rate of an inorganic reaction, and can this relationship be quantified using experimental data?

answered Feb 19 in Inorganic Chemistry

1 answer 30 views

How can you effectively prepare for chemistry exams to overcome the inadequate preparation? Provide a step-by-step study plan that includes various strategies such as active reading, practice problems, and seeking help from a tutor or teacher.

asked Feb 14 in Chemical education

1 answer 87 views

What are the specific chemical compounds present in landfill leachate and how do they impact the quality of groundwater in the surrounding area?

answered Feb 13 in Environmental Chemistry

1 answer 86 views

How can we design and synthesize small molecules that effectively target and modulate specific immune cells and their associated biochemical pathways involved in the development of autoimmune diseases, while minimizing off-target effects and toxicity?

answered Feb 12 in Medicinal Chemistry

1 answer 36 views

How can the efficiency of the system for the production of cosmetics be improved by optimizing the chemical reactions and selecting appropriate raw materials?

answered Feb 7 in Chemical engineering

1 answer 35 views

How can chemical education be improved to increase student interest in chemistry and encourage them to pursue careers in the field?

answered Feb 4 in Chemical education

1 answer 89 views

What is the concentration of lead in a water sample collected from a nearby river using atomic absorption spectroscopy?

answered Jan 31 in Analytical Chemistry

1 answer 58 views

How effective are current environmental regulations in reducing industrial pollution and protecting local ecosystems in the United States? (You may choose a specific region or industry for the student to focus on if desired.)

answered Jan 31 in Environmental Chemistry

1 answer 66 views

How can electrophoresis be used to determine the composition of a protein mixture in a given sample?

asked Jan 29 in Analytical Chemistry

1 answer 76 views

Calculate the heat capacity of 50 grams of water at 25°C, given that the specific heat capacity of water is 4.18 J/g°C.

answered Jan 23 in Chemical thermodynamics

1 answer 48 views

Calculate the band gap and optical absorption spectrum of a graphene monolayer using quantum chemical calculations and compare it with that of a MoS2 monolayer. Which material would be more suitable for optoelectronic devices? Explain your reasoning.

answered Jan 23 in Quantum Chemistry

1 answer 91 views

A student needs to find the enthalpy of polymerization of ethylene from the enthalpies of combustion of ethylene gas (-1411 kJ/mol) and polyethylene (-5120 kJ/mol). Calculate the enthalpy change, in kJ/mol, for the polymerization of ethylene gas to form polyethylene.

answered Jan 22 in ThermoChemistry

1 answer 128 views

A chemistry student needs to prepare a buffer solution of pH 5.0 using acetic acid and acetate ions. If the student has 0.3 M acetic acid and 0.2 M acetate ions, what volume of acetic acid and acetate ions should he/she mix to prepare a solution with a total volume of 500 mL?

answered Jan 22 in Chemical reactions

1 answer 57 views

According to the social exchange theory, what is the basis of interpersonal relationships?

asked Jan 20 in Psychology

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