Recent activity by KristopherMi

1 answer 29 views

How does the presence of heavy metals in contaminated soils affect the absorption and uptake of nutrients in agricultural crops, and what are the potential health risks associated with consuming these crops?

asked 3 days ago in Environmental Chemistry

1 answer 24 views

What is the optimal temperature and pressure conditions to effectively synthesize high molecular weight polyethylene terephthalate from terephthalic acid and ethylene glycol?

asked 3 days ago in Chemical synthesis

1 answer 22 views

What is the most efficient and cost-effective method for synthesizing single-walled carbon nanotubes with controlled diameters and chirality?

asked 3 days ago in Materials Chemistry

1 answer 21 views

What is the effect of the hydrophobic chain length of a surfactant on its critical micelle concentration (CMC) in water? Does increasing the length of the hydrophobic chain increase or decrease the CMC of the surfactant?

answered 5 days ago in Surface Chemistry

1 answer 21 views

What is the mechanism of the hydrolysis reaction of acetamide using quantum chemical calculations?

asked 5 days ago in Computational Chemistry

1 answer 20 views

How does the formation of disulfide bonds affect the folding and stability of proteins during protein synthesis?

asked 5 days ago in BioChemistry

1 answer 22 views

How does the degradation of polymers affect their stability over time? Specifically, investigate the effects of environmental factors, such as temperature, humidity, and UV exposure on the rate of degradation and stability of different types of polymers.

asked 5 days ago in Polymer Chemistry

1 answer 18 views

How does the coordination chemistry of metalloenzymes and metalloproteins affect their catalytic activity? Provide specific examples.

answered 6 days ago in Coordination Chemistry

1 answer 27 views

How does the conductance of the molecule change when we attach different functional groups to it, according to density functional theory calculations of electronic transport properties?

answered 6 days ago in Computational Chemistry

1 answer 19 views

How does the addition of various metal oxides affect the optical properties (refractive index, dispersion, transmission, etc.) of glass?

asked Feb 17 in Materials Chemistry

1 answer 31 views

What is the structural difference between ethanol and propanol as determined by nuclear magnetic resonance (NMR) spectroscopy?

answered Feb 14 in Physical Chemistry

1 answer 46 views

What is the polarity of the carbon-oxygen bond in carbon dioxide?

answered Feb 13 in Chemical bonding

1 answer 43 views

What is the predicted bond angle in a water molecule and how is it determined using VSEPR theory?

asked Feb 13 in Chemical bonding

1 answer 43 views

What is the structure and bonding of the metal complexes in gadolinium-based metallofullerenes, and how do they affect the magnetic properties of the compound?

asked Feb 13 in Coordination Chemistry

1 answer 45 views

How can the relative stabilities of different inorganic compounds be predicted based on their enthalpies of formation and bond energies?

answered Feb 10 in Inorganic Chemistry

1 answer 32 views

How can the pharmacology of natural products be investigated for their potential medicinal use? Specifically, what analytical techniques can be employed to identify the active compounds in natural products, determine their mechanism of action, and evaluate their efficacy and safety?

asked Feb 10 in Medicinal Chemistry

1 answer 29 views

How can the mechanical and thermal properties of different polymers be optimized for their use in 3D printing applications?

answered Feb 7 in Materials Chemistry

1 answer 54 views

Calculate the standard enthalpy change for the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH) to form sodium chloride (NaCl) and water (H2O) when 50.0 mL of 1.0 M HCl reacts with 50.0 mL of 1.0 M NaOH at 25°C.

asked Feb 3 in Chemical thermodynamics

1 answer 47 views

Calculate the standard electrode potential for the following redox reaction: Zn(s) + Cu²⁺(aq) → Zn²⁺(aq) + Cu(s)Given that the standard electrode potential for the Zn²⁺/Zn electrode is -0.76V and for the Cu²⁺/Cu electrode is +0.34V.

asked Feb 3 in ElectroChemistry

1 answer 67 views

What is the difference in reactivity between carboxylic acids and acid chlorides towards nucleophilic substitution reactions, and what factors affect their reactivity?

answered Jan 31 in Organic Chemistry

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