Recent activity by LeonelSiede

1 answer 25 views

How does the rate of a photochemical reaction of a specific compound vary with temperature under constant light intensity?

answered 5 days ago in PhotoChemistry

1 answer 30 views

How does the presence of cholesterol in a lipid bilayer affect the fluidity and permeability of the membrane?

asked 5 days ago in BioChemistry

1 answer 17 views

What is the optimal reaction conditions, including temperature, pressure, and catalyst, required for the efficient synthesis of polyvinyl chloride from vinyl chloride monomer?

asked 5 days ago in Chemical synthesis

1 answer 6 views

What is the optimal design for a chemical system that can produce surfactants with a high yield, purity, and efficiency?

asked 5 days ago in Chemical engineering

1 answer 23 views

How does the molecular weight of a polymer affect its properties and functionality, and what are the most effective methods for measuring molecular weight?

answered 5 days ago in Polymer Chemistry

1 answer 31 views

How does the composition of landfill leachate affect the concentration of heavy metals in groundwater and what are the potential health impacts for those exposed to contaminated water?

answered Feb 18 in Environmental Chemistry

1 answer 9 views

How does the addition of different functional groups to the surface of a catalyst affect the reaction rate and selectivity of a specific catalytic reaction, as determined through Density Functional Theory calculations?

asked Feb 17 in Computational Chemistry

1 answer 41 views

What is the mechanism of the acid-catalyzed dehydration of 1-methoxy-2-methylcyclohexane to yield a mixture of alkenes? Draw the structures of the expected alkenes and explain which one is the major product and why.

asked Feb 17 in Organic Chemistry

1 answer 35 views

What are the specific economic benefits of studying chemistry and how can this knowledge be effectively applied to address current societal challenges such as climate change and resource depletion?

asked Feb 14 in Chemical education

1 answer 40 views

What spectroscopic techniques can be used to distinguish between isomers in coordination compounds? Provide examples and explain how they work.

answered Feb 14 in Coordination Chemistry

1 answer 34 views

What is the most efficient and environmentally sustainable process for producing [insert name of specific specialty chemical here] at an industrial scale?

asked Feb 14 in Chemical engineering

1 answer 33 views

How do hydrogen bonds participate in stabilizing protein-protein interactions and complexes?

answered Feb 13 in BioChemistry

1 answer 25 views

How can we design a drug that specifically targets the enzyme acetylcholinesterase to treat Alzheimer's disease without affecting other enzymes in the body?

answered Feb 12 in Medicinal Chemistry

1 answer 47 views

How can the selectivity of polymer-based membranes for water treatment be improved while still maintaining high water permeability?

answered Feb 10 in Polymer Chemistry

1 answer 32 views

How can the performance of polymer-based sensors and actuators be enhanced by incorporating nanomaterials such as carbon nanotubes or graphene into the polymer matrix?

asked Feb 10 in Polymer Chemistry

1 answer 32 views

How can the efficiency of the surfactant production process be improved by optimizing the operating parameters such as temperature, pH, and concentration of reactants in a designed production system?

asked Feb 7 in Chemical engineering

1 answer 35 views

How can chemistry educators increase student awareness and implementation of appropriate safety protocols in the laboratory to prevent accidents and chemical mishaps?

answered Feb 4 in Chemical education

1 answer 43 views

Calculate the standard enthalpy change for the complete combustion of methane gas (CH4(g)) at constant pressure, given the balanced equation: CH4(g) + 2O2(g) → CO2(g) + 2H2O(l). The standard enthalpies of formation of CO2(g), H2O(l), and CH4(g) are -393.5 kJ/mol, -285.8 kJ/mol, and -74.8 kJ/mol, respectively.

answered Feb 3 in Chemical thermodynamics

1 answer 76 views

How can X-ray fluorescence spectroscopy be used to accurately identify and quantify the presence of specific elements in a complex sample matrix such as soil or rock samples?

asked Jan 30 in Analytical Chemistry

1 answer 58 views

How can Raman spectroscopy be used to identify the presence of a specific compound in a complex mixture? Provide an example using a mixture that contains both caffeine and aspirin, and explain how their Raman spectra can be differentiated to determine each compound's presence.

asked Jan 29 in Analytical Chemistry

Recent activity by LeonelSiede

Categories