Recent activity by MarciaPerry5

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How does the shape and size of a semiconductor nanomaterial affect its electronic band structure and optical properties, and how can this information be used to design more efficient solar cells?

answered 1 day ago in Quantum Chemistry

1 answer 13 views

What is the relationship between the electronic and magnetic properties of metal-organic frameworks and their crystal structures, and how can this relationship be predicted using quantum chemistry calculations?

answered 1 day ago in Quantum Chemistry

1 answer 20 views

How does the rate of a chosen photochemical reaction change as the temperature is increased or decreased?

answered 3 days ago in PhotoChemistry

1 answer 24 views

How does the presence of DNA lesions affect the accuracy of DNA replication, and what mechanisms have evolved to detect and repair these lesions?

answered 3 days ago in BioChemistry

1 answer 29 views

How can the yield of a chemical reaction be optimized by manipulating the reaction conditions and parameters such as temperature, pressure, reactant concentrations, and catalysts for the synthesis of ethyl acetate via Fischer esterification reaction?

asked 5 days ago in Chemical engineering

1 answer 33 views

What is the effect of crosslinking density on the swelling behavior of polymer-based superabsorbent materials?

answered 6 days ago in Polymer Chemistry

1 answer 24 views

What is the coordination geometry of the heme group in the active site of hemoglobin and how does it facilitate oxygen binding and release?

asked 6 days ago in Coordination Chemistry

1 answer 36 views

How does the charge of colloidal particles affect their interaction with each other and their stability in a solution? Discuss the role of electrostatic and van der Waals interactions in determining the behavior of colloidal particles.

answered Feb 18 in Physical Chemistry

1 answer 24 views

What is the bond order of carbon monoxide (CO) molecule and how is it determined using molecular orbital theory?

answered Feb 18 in Chemical bonding

1 answer 34 views

How does the absorption and emission of light affect the behavior and properties of different molecules and materials, and how can this knowledge be applied to develop more efficient photovoltaic cells?

asked Feb 17 in Quantum Chemistry

1 answer 26 views

How do modifications to histone proteins affect DNA accessibility and transcriptional regulation?

asked Feb 13 in BioChemistry

1 answer 34 views

What are the different coordination geometries exhibited by lanthanide complexes that have eight coordinating atoms? How do these geometries differ from those displayed by eight-coordinate transition metal complexes?

asked Feb 13 in Coordination Chemistry

1 answer 38 views

What type of bonding exists in solid sodium chloride (NaCl)?

asked Feb 13 in Chemical bonding

1 answer 31 views

What happens in a single replacement reaction when iron is added to a copper sulfate solution? Write the balanced chemical equation for the reaction that occurs and identify the product formed.

answered Feb 13 in Chemical reactions

1 answer 10 views

How can we design a system for the safe storage and transportation of highly concentrated sulfuric acid, taking into consideration its tendency to corrode most materials and pose a significant risk to human and environmental health?

asked Feb 12 in Chemical engineering

1 answer 41 views

Identify and explain the structural differences between cis-2-butene and trans-2-butene, and predict how these isomers would react differently in a chemical reaction with hydrogen gas.

asked Feb 12 in Organic Chemistry

1 answer 45 views

How can the surface properties and performance of biomaterials be modified using chemical techniques while retaining their biocompatibility and functionality?

answered Feb 11 in Surface Chemistry

1 answer 59 views

How can the sensitivity and selectivity of polymer-based sensors be improved for the detection of specific analytes in different environments?

answered Feb 10 in Polymer Chemistry

1 answer 39 views

How can the sensitivity and selectivity of a polymer-based sensor be improved for detecting a specific analyte in a complex matrix?

asked Feb 10 in Polymer Chemistry

1 answer 54 views

How can the process for the production of Polyethylene terephthalate (PET) be optimized to increase yield and reduce waste?

asked Feb 10 in Chemical engineering

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