Recent activity by MarciaPerry5

1 answer 89 views

What is the predicted bond angle in a water molecule using the Valence Shell Electron Pair Repulsion (VSEPR) theory, and how does it compare to the actual bond angle?

answered Feb 22 in Quantum Chemistry

1 answer 82 views

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

answered Feb 22 in Chemical synthesis

1 answer 76 views

What are the most effective and environmentally safe methods for the disposal of radioactive waste in order to minimize long-term impact on the environment and human health?

asked Feb 21 in Environmental Chemistry

1 answer 73 views

What is the mechanism of electrophilic addition reaction of hydrogen halides (HBr, HCl, HI) with alkenes? Provide a step-by-step explanation and mechanism to support your answer.

asked Feb 20 in Organic Chemistry

1 answer 74 views

What is the effect of solvent polarity on the photophysical properties (fluorescence spectra, quantum yield, and lifetime) of a specific fluorescent dye (please specify the dye of interest) in photochemistry?

answered Feb 19 in PhotoChemistry

1 answer 84 views

How does the choice of exchange-correlation functional affect the accuracy of Density Functional Theory (DFT) calculations of the catalytic reaction mechanism of a specific chemical compound?

asked Feb 18 in Computational Chemistry

1 answer 65 views

What chemical reactions occur during the activation of a G protein-coupled receptor (GPCR) in the signal transduction pathway?

answered Feb 17 in BioChemistry

1 answer 89 views

What are the key chemical reactions involved in the synthesis of polyvinyl chloride (PVC) from vinyl chloride monomer, and how can we optimize the reaction conditions to increase the yield and purity of the final product?

answered Feb 14 in Chemical synthesis

1 answer 89 views

How do microplastics degrade over time and what are the chemical processes involved?

asked Feb 13 in Environmental Chemistry

1 answer 77 views

How can you design a drug that targets the specific metabolic pathway involved in Type 2 Diabetes?

answered Feb 12 in Medicinal Chemistry

1 answer 120 views

How can the surface properties of titanium implants be modified to promote better osteointegration and reduce the risk of implant failure?

answered Feb 11 in Surface Chemistry

1 answer 86 views

How can chemists design new drugs that target specific receptors in the gastrointestinal tract to treat conditions such as irritable bowel syndrome and inflammatory bowel disease?

answered Feb 5 in Medicinal Chemistry

1 answer 90 views

Calculate the standard electrode potential for the following redox reaction at 298K:Fe3+(aq) + e- → Fe2+(aq) Given the E°(Fe3+/Fe2+) = +0.77V.

asked Feb 3 in Chemical thermodynamics

1 answer 154 views

How does the molecular structure of water change as the temperature and pressure vary? Use quantum mechanics to explain the changes in bond lengths and angles.

answered Jan 31 in Physical Chemistry

1 answer 148 views

What is the product formed when methyl bromide reacts with aqueous sodium hydroxide and what type of nucleophilic substitution reaction is occurring?

asked Jan 21 in Organic Chemistry

1 answer 99 views

How does the default mode network change with aging?

asked Jan 20 in Psychology

1 answer 137 views

Why do some researchers suggest that childhood trauma and adverse experiences may contribute to the development of violent behaviour in adulthood?

answered Jan 20 in Psychology

1 answer 55 views

What is the psychoanalytic approach's evaluation of visual illusions?

answered Jan 20 in Psychology

1 answer 159 views

Who is more likely to be a victim of discrimination?

asked Jan 20 in Psychology

1 answer 217 views

How did Festinger's cognitive dissonance theory explain the behaviour of the doomsday cult members?

answered Jan 17 in Psychology

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