Recent activity by ElenaBranco0

1 answer 38 views

How does the prediction of electronic and magnetic properties of topological materials impact their potential use in various fields such as electronics and spintronics, and how does quantum chemistry play a role in these predictions?

answered Feb 22 in Quantum Chemistry

1 answer 31 views

What is the effect of increasing the polarity of a solvent on the rate of a chemical reaction?

answered Feb 19 in Chemical kinetics

1 answer 26 views

What is the effect of cross-linking density on the swelling behavior and water retention capacity of superabsorbent polymers?

answered Feb 19 in Polymer Chemistry

1 answer 32 views

Identify the resonance structures of the carbonate ion (CO3^2-) and determine the formal charge on each atom in each resonance structure.

asked Feb 18 in Chemical bonding

1 answer 30 views

What is the bond length between the oxygen atom (O) and the hydrogen atom (H) in a water molecule (H2O) assuming that the bond between H and O is covalent? Provide your answer in picometers (pm) and express it to three significant figures.

answered Feb 18 in Chemical bonding

1 answer 35 views

How does the band gap of a material change when the size of the unit cell is varied using density functional theory calculations?

answered Feb 17 in Computational Chemistry

1 answer 28 views

How does the activation of the enzyme Phospholipase A2 lead to the production of signaling molecules such as prostaglandins and leukotrienes in the arachidonic acid pathway of lipid metabolism?

asked Feb 17 in BioChemistry

1 answer 42 views

What is the effect of surface chemistry on emulsification in food and beverage processing, and how can it be optimized to improve the stability and consistency of emulsions?

asked Feb 14 in Surface Chemistry

1 answer 89 views

How can we design drugs to selectively target specific metabolic pathways in the body, such as those involved in glucose regulation, and minimize off-target effects that could potentially harm the patient?

asked Feb 12 in Medicinal Chemistry

1 answer 106 views

How can we design and synthesize a new drug compound that will effectively target and bind to a specific enzyme or receptor, while minimizing off-target effects and maximizing therapeutic efficacy?

asked Feb 12 in Medicinal Chemistry

1 answer 13 views

How can we design a drug that selectively targets cancer cells while sparing healthy cells in the body?

answered Feb 12 in Medicinal Chemistry

1 answer 48 views

What is the dipole moment of CHCl3 molecule and what is the direction of the dipole moment?

answered Feb 12 in Chemical bonding

1 answer 114 views

How can the surface of a biomaterial, such as a medical implant, be modified using plasma treatment to alter its effectiveness in promoting cell adhesion and preventing bacterial growth?

asked Feb 11 in Surface Chemistry

1 answer 68 views

How can the production process for fragrances be optimized to improve efficiency and reduce the potential for environmental harm? Specifically, what modifications can be made to the reaction conditions or equipment used in fragrance production to maximize yield and reduce waste?

asked Feb 10 in Chemical engineering

1 answer 69 views

How can the production process for a specific food additive be optimized to increase yield, while also maintaining the desired purity and quality of the final product?

answered Feb 10 in Chemical engineering

1 answer 40 views

How can the molecular weight and branching of polymers affect the drug release rate in polymer-based drug delivery systems?

asked Feb 10 in Polymer Chemistry

1 answer 43 views

How can the maximum yield of aspirin be achieved during the synthesis process using salicylic acid and acetic anhydride? What are the factors that affect the yield of the reaction?

asked Feb 7 in Chemical synthesis

1 answer 34 views

How can the application properties of a polymer-based coating be improved while maintaining its durability and chemical resistance?

answered Feb 6 in Polymer Chemistry

1 answer 14 views

How can chemistry teachers provide better support and accommodations for students with learning disabilities to help them succeed in their chemistry coursework?

asked Feb 6 in Chemical education

1 answer 103 views

Calculate the power output for a Zinc-Copper electrochemical cell operating at standard conditions with a Zinc electrode that measures 10 cm by 12 cm and a Copper electrode that measures 8 cm by 10 cm. The current flowing through the circuit is 0.5 A. The standard reduction potentials for the half-reactions are +0.76 V for Cu2+/Cu and -0.76 V for Zn2+/Zn.

answered Feb 3 in ElectroChemistry

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