Recent activity by StefanieBret

1 answer 22 views

What is the relationship between the molecular structure of sunscreen agents and their ability to absorb ultraviolet radiation?

asked Feb 24 in PhotoChemistry

1 answer 30 views

What is the most efficient method for the preparation of 4-bromoacetanilide from acetanilide and bromine, and what are the optimization conditions required to achieve the highest yield and purity in the reaction?

answered Feb 21 in Chemical synthesis

1 answer 25 views

How does changing the pH of the reaction mixture affect the rate of the iodine clock reaction between potassium iodate and sodium bisulfite?

answered Feb 20 in Chemical kinetics

1 answer 27 views

How does the depth and concentration of a catalyst affect the reaction rate and ultimately the profitability of a chemical reaction?

answered Feb 19 in Chemical kinetics

1 answer 35 views

What is the critical micelle concentration of a given surfactant and how does it affect the surface tension of a solution?

asked Feb 19 in Surface Chemistry

1 answer 33 views

What is the complete combustion equation and balanced chemical equation for the reaction between methane (CH4) and oxygen (O2)?

answered Feb 18 in Chemical reactions

1 answer 30 views

What is the bond strength of the CO double bond compared to the NN triple bond, and explain the reasoning behind your answer based on the concepts of bond length and bond dissociation energy?

asked Feb 18 in Chemical bonding

1 answer 34 views

What is the predicted bond angle of the sulfur dioxide (SO2) molecule based on its molecular structure and the nature of its bonding?

asked Feb 14 in Chemical bonding

1 answer 37 views

What factors affect the crystallization process of a polymer and how do they impact the polymer's ultimate morphology?

asked Feb 14 in Polymer Chemistry

1 answer 58 views

What would be the effect of increasing the concentration of one of the reactants on the direction of the reaction at equilibrium? Provide a specific chemical reaction as an example to support your answer.

asked Feb 13 in Chemical equilibrium

1 answer 62 views

How does the excessive release of nutrients, particularly nitrogen and phosphorus, lead to eutrophication in aquatic systems and what are the potential consequences on ecosystem health?

asked Feb 13 in Environmental Chemistry

1 answer 70 views

How do different genetic variations affect the response of a certain drug in a specific patient population and what are the implications for personalized drug therapy in the field of medicinal chemistry?

answered Feb 12 in Medicinal Chemistry

1 answer 27 views

How can we design a drug to specifically target cancer cells that overexpress the HER2 receptor?

answered Feb 12 in Medicinal Chemistry

1 answer 113 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 47 views

How can the permeability of polymer-based membranes used in water treatment be optimized while maintaining high selectivity to remove contaminants?

answered Feb 10 in Polymer Chemistry

1 answer 45 views

How can the molecular structure of liquid crystals be modified to improve their suitability for use in display technology?

answered Feb 10 in Materials Chemistry

1 answer 37 views

How can the magnetic properties of an unknown molecule be calculated using quantum chemistry methods?

answered Feb 7 in Quantum Chemistry

1 answer 37 views

How can computational tools be used in molecular docking studies to identify potential drug molecules that can target specific proteins involved in disease pathways?

answered Feb 5 in Computational Chemistry

1 answer 36 views

How can chemistry teachers spark interest in the subject among students who perceive it as difficult and uninteresting?

answered Feb 5 in Chemical education

1 answer 38 views

How can chemistry teachers provide adequate support for students with learning disabilities in the classroom to ensure their success in the subject?

answered Feb 5 in Chemical education

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