Recent activity by AngeliaDewey

1 answer 18 views

How does the size and shape of a molecule affect its quantum transport behavior in nanoscale systems?

1 answer 24 views

What are the factors that affect the phosphorescent properties of materials, and how can they be optimized for practical applications such as in OLED displays or security inks?

answered 3 days ago in PhotoChemistry

1 answer 20 views

How does the particle size of a gold nanoparticle affect its photochemical properties such as absorbance, emission, and quantum yield under different light sources and intensities?

answered 3 days ago in PhotoChemistry

1 answer 21 views

What is the optimal ratio of adipic acid to hexamethylenediamine that should be used in the synthesis of nylon-6,6 for maximum yield?

asked 3 days ago in Chemical synthesis

1 answer 16 views

What is the most effective method for synthesizing and characterizing a novel adsorbent material capable of removing organic pollutants from water sources with high efficiency and selectivity?

asked 4 days ago in Materials Chemistry

1 answer 20 views

What is the Lewis structure for the molecule carbon dioxide (CO2)?

answered 5 days ago in Chemical bonding

1 answer 34 views

How does the Langmuir adsorption isotherm relate to the adsorption of a gas onto a solid surface? Illustrate your answer with a diagram and calculate the monolayer capacity of the solid from the given data using Langmuir's equation.

asked 5 days ago in Surface Chemistry

1 answer 26 views

What is the mechanism for the hydration of an alkyne? Provide a step-by-step explanation of how the reaction occurs and what intermediates are formed.

asked 5 days ago in Organic Chemistry

1 answer 4 views

What is the crystal structure of NaCl? How does it affect the physical properties of NaCl, such as its melting point and solubility, and what is the significance of this crystal structure in industrial applications of NaCl?

asked 6 days ago in Physical Chemistry

1 answer 30 views

How does the calculation of electronic excited states and optical properties using quantum chemistry methods aid in the development of new materials with enhanced optical properties, such as organic light-emitting diodes (OLEDs)?

answered Feb 18 in Quantum Chemistry

1 answer 24 views

What is the bond order of NO+ ion and NO− ion if the bond order of NO is calculated to be 2.5?

asked Feb 18 in Chemical bonding

1 answer 20 views

How does the addition of different dopants affect the electronic and optical properties of perovskite materials, specifically in terms of band gap and absorption spectra?

asked Feb 17 in Quantum Chemistry

1 answer 29 views

How does surface modification of biomaterials affect protein adsorption?

answered Feb 17 in Surface Chemistry

1 answer 29 views

How can we predict the 3D structure of a molecule and its properties, such as reactivity and stability, using computational chemistry tools and molecular modeling techniques?

answered Feb 14 in Physical Chemistry

1 answer 35 views

What are the key chemical reactions involved in the synthesis of polyvinyl chloride (PVC) from vinyl chloride monomer, and how can we optimize the reaction conditions to increase the yield and purity of the final product?

answered Feb 14 in Chemical synthesis

1 answer 47 views

What is the number of electrons transferred when zinc metal reacts with copper(II) ions in a galvanic cell? The balanced reaction is:Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)

asked Feb 13 in ElectroChemistry

1 answer 39 views

What is the predicted acidity or basicity of the molecule H2SO4? Show the calculations and any relevant theories used to arrive at your answer.

asked Feb 13 in Chemical bonding

1 answer 43 views

How does eutrophication affect the dissolved oxygen levels in an aquatic ecosystem and what are the potential consequences on the survival of organisms living in the affected area?

answered Feb 13 in Environmental Chemistry

1 answer 10 views

How can we design new drugs for cancer treatment that specifically target cancer cells while minimizing harmful side effects on healthy cells?

answered Feb 12 in Medicinal Chemistry

1 answer 41 views

How effective are current environmental regulations in mitigating hazardous waste pollution, and what advancements can be made in enforcing them to promote better environmental protection?

asked Feb 12 in Environmental Chemistry

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