Recent activity by ValentinStec

1 answer 24 views

What is the effect of varying the size and shape of nanomaterials on their catalytic activity for a specific chemical reaction?

answered Feb 24 in Materials Chemistry

1 answer 30 views

How does the presence of substrate concentration affect the rate of catalysis by enzymes? Provide experimental evidence to support your answer.

asked Feb 22 in BioChemistry

1 answer 33 views

What is the optimal reaction conditions, including temperature, pressure, and catalyst selection, for the synthesis of polyethylene oxide with a targeted molecular weight using ethylene oxide as the monomer?

answered Feb 21 in Chemical synthesis

1 answer 32 views

How does the molecular weight of a polymer affect its physical properties such as viscosity and elasticity?

answered Feb 21 in Physical Chemistry

1 answer 32 views

What is the reaction mechanism for the hydrolysis of an ester functional group?

asked Feb 20 in Organic Chemistry

1 answer 32 views

What is the hybridization of the central carbon atom in the molecule CH4?

asked Feb 20 in Chemical bonding

1 answer 29 views

What is the balanced chemical equation for the precipitation reaction between aqueous solutions of lead(II) nitrate and potassium iodide that results in the formation of solid lead(II) iodide and aqueous potassium nitrate?

answered Feb 17 in Chemical reactions

1 answer 31 views

How does the addition of a specific catalyst affect the reaction rate of the hydrogen peroxide and potassium iodide reaction?

answered Feb 17 in Chemical kinetics

1 answer 38 views

How can we use structure-based drug design to develop a new antibiotic that specifically targets the cell wall of Gram-negative bacteria, without affecting the healthy cells of the host organism?

answered Feb 14 in Medicinal Chemistry

1 answer 40 views

What is the specific DNA sequence recognized by the transcription factor Oct4 and how does this interaction affect gene expression in embryonic stem cells?

asked Feb 14 in BioChemistry

1 answer 60 views

What is the bond order of CO molecule using molecular orbital theory?

asked Feb 13 in Chemical bonding

1 answer 58 views

How does histone acetylation promote transcriptional activation of a gene in DNA-protein interactions and regulation? Provide a detailed explanation including the chemical mechanisms involved in the process.

asked Feb 13 in BioChemistry

1 answer 43 views

How does the elevation of certain amino acid levels in the blood affect the production of neurotransmitters and lead to neurological disorders like phenylketonuria (PKU) and maple syrup urine disease (MSUD)?

asked Feb 13 in BioChemistry

1 answer 78 views

What is the impact of doping concentration on the electrical conductivity of semiconductors used in electronic devices?

answered Feb 12 in Materials Chemistry

1 answer 99 views

How can we design a system for the efficient and sustainable recovery of valuable metals, such as gold and silver, from electronic waste using chemical engineering principles and techniques?

answered Feb 12 in Chemical engineering

1 answer 39 views

What is the effect of chirality in the photochemical properties of molecules? Discuss with examples of chiral molecules and their behavior under different types of light.

answered Feb 12 in PhotoChemistry

1 answer 25 views

How can the process of designing a system for the storage and transportation of hazardous chemicals be optimized to ensure maximum safety for both workers and the environment?

asked Feb 10 in Chemical engineering

1 answer 27 views

How can the efficiency of the production process of adhesives be increased while maintaining the desired adhesive properties?

answered Feb 7 in Chemical engineering

1 answer 51 views

How can improving the polymer electrolyte in a lithium-ion battery affect its performance and stability over time?

asked Feb 5 in Polymer Chemistry

1 answer 143 views

What is the concentration of Fe in a given sample of iron ore, using the coulometric titration technique with a standard solution of K2Cr2O7?

answered Jan 30 in Analytical Chemistry

Categories