Recent activity by HungZ257369

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What is the effect of the orientation of reactant molecules on the rate of a chemical reaction? Provide examples of reactions and factors that affect the orientation of reactant molecules.

answered Feb 22 in Chemical kinetics

1 answer 40 views

How does the mismatch repair system in DNA replication correct errors in base pairing that may cause mutations?

asked Feb 20 in BioChemistry

1 answer 27 views

How does the formation of a passive layer on the surface of a metal prevent corrosion, and what factors influence the formation of this layer?

answered Feb 20 in Surface Chemistry

1 answer 31 views

How does cooling rate and melt processing affect the crystallization behavior and morphology of polyethylene terephthalate (PET) ?

asked Feb 19 in Polymer Chemistry

1 answer 34 views

What is the polarity of the bond between carbon and oxygen in carbon monoxide?

answered Feb 18 in Chemical bonding

1 answer 27 views

How does the addition of nanoparticles affect the mechanical properties of a polymer nanocomposite?

answered Feb 17 in Polymer Chemistry

1 answer 31 views

What is the mechanism behind the enhancement of Raman signals in Surface-enhanced Raman spectroscopy (SERS)?

answered Feb 17 in Surface Chemistry

1 answer 31 views

How does surface modification affect the physical and chemical properties of a polymer, and what are some practical applications of this technique?

answered Feb 17 in Surface Chemistry

1 answer 44 views

How do persistent organic pollutants (POPs) accumulate in the environment, and what are the potential health and environmental impacts of their buildup in ecosystems?

answered Feb 14 in Environmental Chemistry

1 answer 41 views

How can we design drugs with high specificity to target a particular enzyme or receptor site, while avoiding potential off-target effects?

asked Feb 12 in Medicinal Chemistry

1 answer 72 views

How can we design an interactive approach to enhance basic chemistry knowledge among individuals with limited exposure to chemistry in everyday life?

answered Feb 12 in Chemical education

1 answer 95 views

How can the production process of surfactants be optimized to minimize waste and increase efficiency, while ensuring that the final product meets industry standards and is environmentally sustainable?

answered Feb 10 in Chemical engineering

1 answer 108 views

How can the process for the production of polymers be optimized to minimize waste and increase efficiency? Include specific steps and techniques that can be utilized to achieve these goals.

answered Feb 10 in Chemical engineering

1 answer 31 views

How can the performance of polymer-based adhesives and sealants be optimized through the control of molecular weight, cross-linking, and functional group incorporation?

asked Feb 10 in Polymer Chemistry

1 answer 37 views

How can the insufficient emphasis on practical applications of chemistry in the classroom be addressed to better prepare students for real-world applications in the field of chemistry?

asked Feb 7 in Chemical education

1 answer 41 views

How can medicinal chemists modify existing antibiotics to create new compounds that are effective against drug-resistant bacteria strains, specifically targeting the mechanisms that these bacteria use to resist traditional antibiotics?

asked Feb 6 in Medicinal Chemistry

1 answer 45 views

How can chemistry students better prepare themselves for careers in the industry to ensure they have the necessary skills and knowledge to succeed in their field?

answered Feb 4 in Chemical education

1 answer 33 views

How can chemistry educators provide better support for students with learning disabilities in the classroom?

answered Feb 4 in Chemical education

1 answer 79 views

Calculate the enthalpy of adsorption for the adsorption of hydrogen gas onto a nickel surface at 25°C, given that the equilibrium pressure of hydrogen gas is 0.5 atm and the surface coverage is 0.2 monolayers. The heat of dissociation of hydrogen gas is 436 kJ/mol.

answered Jan 23 in ThermoChemistry

1 answer 63 views

Calculate the enthalpy change for the hydrolysis of 5 moles of methyl acetate using the given bond enthalpies: C-O (360 kJ/mol), C=O (740 kJ/mol), O-H (460 kJ/mol), and C-H (410 kJ/mol).

answered Jan 23 in ThermoChemistry

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