Recent activity by PaulaRayner4

1 answer 31 views

How does the size and shape of a molecule affect its electronic excited states and corresponding optical properties?

1 answer 29 views

How does changing the concentration of reactants affect the rate of reaction and selectivity in the reaction between potassium iodide and lead nitrate?

answered Feb 22 in Chemical kinetics

1 answer 31 views

What is the optimum reaction time and temperature for the synthesis of polyethylene oxide from ethylene oxide monomer, and how does altering these parameters affect the molecular weight and properties of the resulting polymer?

answered Feb 22 in Chemical synthesis

1 answer 30 views

What is the effect of molecular structure and size on quantum transport properties in nanoscale systems? Can the conductance of molecular wires be accurately predicted using quantum mechanical calculations?

answered Feb 21 in Quantum Chemistry

1 answer 28 views

What is the effect of varying concentrations of plasma treatment on the surface properties of a biopolymer-based biomaterial?

answered Feb 20 in Surface Chemistry

1 answer 31 views

What is the effect of increasing the concentration of hydrogen peroxide on the reaction rate of its decomposition catalyzed by catalase enzyme?

answered Feb 19 in Chemical kinetics

1 answer 33 views

What is the coordination geometry of the metal ion in the active site of carbonic anhydrase enzyme and how does it affect the function of the enzyme?

asked Feb 19 in Coordination Chemistry

1 answer 38 views

How do different factors such as temperature, pH, and salt concentration affect the folding behavior of a specific protein? Use molecular dynamics simulations to investigate the folding pathways and stability of the protein under varying conditions.

answered Feb 17 in Computational Chemistry

1 answer 28 views

How do post-translational modifications influence the folding and stability of proteins during protein synthesis?

asked Feb 14 in BioChemistry

1 answer 25 views

How do molecular orbital theory and hybridization explain the bonding in complex molecules such as benzene?

answered Feb 13 in Chemical education

1 answer 28 views

In what ways do metal ions in metalloenzymes and metalloproteins influence their catalytic activity?

answered Feb 13 in Coordination Chemistry

1 answer 67 views

What is the effect of increasing the concentration of reactants on the rate of reaction between potassium iodide and lead nitrate in an aqueous solution?

answered Feb 13 in Chemical kinetics

1 answer 69 views

What is the bond angle in a molecule of carbon dioxide (CO2)?

answered Feb 13 in Chemical bonding

1 answer 65 views

How can we design new chemical compounds that effectively target and treat the symptoms of inflammatory bowel disease (IBD), while minimizing unwanted side effects on other organs and systems of the body?

asked Feb 12 in Medicinal Chemistry

1 answer 31 views

How to design a system for the production of natural strawberry flavor using chemical engineering principles and techniques considering the sustainability aspect of the process?

asked Feb 12 in Chemical engineering

1 answer 27 views

How would you design a chemical reactor for the production of ammonia via the Haber process, considering factors such as temperature, pressure, and catalyst choice?

asked Feb 12 in Chemical engineering

1 answer 25 views

How can the mechanical properties of 3D printed polymer-based materials be improved, and what factors should be considered in the design and synthesis of materials for 3D printing?

answered Feb 10 in Polymer Chemistry

1 answer 33 views

How can the insufficient emphasis on practical applications of chemistry be addressed in the classroom to promote a better understanding and appreciation of the subject among students?

asked Feb 7 in Chemical education

1 answer 66 views

Calculate the standard electrode potential for the redox reaction between the half cells Ag/Ag+ and Cu2+/Cu at 25°C, given that the standard electrode potentials for the half cells are +0.80 V and +0.34 V respectively.

answered Feb 3 in Chemical thermodynamics

1 answer 59 views

What is the effect of changing the concentration of reactants and products on the equilibrium constant and reaction rate of a chemical reaction?

asked Feb 3 in Chemical kinetics

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