Recent activity by OrvalLasley3

1 answer 42 views

What is the predicted effect of increasing the pH of a redox reaction between hydrogen peroxide and potassium permanganate on the equilibrium position? Explain your answer with balanced chemical equation and the corresponding redox half-reactions.

asked Feb 24 in Chemical equilibrium

1 answer 33 views

What is the effect of pressure on the reaction rate between nitrogen gas and hydrogen gas to produce ammonia gas at a constant temperature and with a fixed amount of catalyst? How does the reaction rate change as the pressure is varied?

answered Feb 22 in Chemical kinetics

1 answer 24 views

What is the effect of increasing the pH from 3 to 5 on the equilibrium position of the reaction between acetic acid (CH3COOH) and sodium acetate (CH3COONa)?

asked Feb 22 in Chemical equilibrium

1 answer 26 views

How does the prediction of chemical reactivity and selectivity aid in the design of new drugs for a specific disease target?

asked Feb 22 in Quantum Chemistry

1 answer 26 views

How do the photochemical properties of fluorescent dyes influence their applications in biological imaging? Provide specific examples of fluorescent dyes and their uses in imaging techniques such as fluorescence microscopy and flow cytometry.

asked Feb 22 in PhotoChemistry

1 answer 31 views

What is the optimal ratio of terephthalic acid to ethylene glycol, and the best reaction conditions necessary, to obtain the highest yield of polyethylene terephthalate in the synthesis process?

answered Feb 21 in Chemical synthesis

1 answer 37 views

What is the effect of changing the concentration of a soluble inorganic salt (e.g. NaCl) on its electrical conductivity?

answered Feb 20 in Inorganic Chemistry

1 answer 23 views

What is the effect of varying light intensities on the rate of the photochemical reaction that occurs between chlorine and methane?

answered Feb 20 in PhotoChemistry

1 answer 34 views

What is the carbon footprint of different transportation modes (car, bus, train, airplane) per passenger-mile and how do they contribute to carbon emissions in the environment?

answered Feb 18 in Environmental Chemistry

1 answer 29 views

How does the binding affinity between a specific protein and ligand change with respect to the surrounding temperature and solvent conditions, as revealed by molecular dynamics simulations?

asked Feb 17 in Computational Chemistry

1 answer 29 views

How does the concentration and structure of surfactants affect the surface tension of water?

answered Feb 17 in Surface Chemistry

1 answer 54 views

What approach can be taken in medicinal chemistry to develop new treatments for respiratory diseases with high efficacy and few side effects?

answered Feb 13 in Medicinal Chemistry

1 answer 52 views

How is glutamine synthesized in the body and what is its role in nitrogen metabolism?

asked Feb 13 in BioChemistry

1 answer 91 views

How can the process for the production of specialty chemicals be optimized to maximize yield and minimize waste?

answered Feb 10 in Chemical engineering

1 answer 37 views

How can the electronic and optical properties of silver nanoparticles be calculated using quantum chemistry methods?

answered Feb 7 in Quantum Chemistry

1 answer 36 views

How can gel permeation chromatography (GPC) be used to determine the molecular weight distribution of a polymer sample? What are the advantages and limitations of using GPC compared to other polymer characterization techniques?

answered Feb 5 in Polymer Chemistry

1 answer 64 views

Calculate the standard electrode potential for a silver electrode in contact with a silver ion solution of concentration 0.010 M. The reduction half-equation is Ag+ + e- → Ag.

answered Feb 3 in ElectroChemistry

1 answer 76 views

Calculate the anodic Tafel slope for an electrochemical cell in which the corrosion current density is 0.05 mA/cm² and the anodic overpotential is 50 mV. The exchange current density for the anodic reaction is 0.02 mA/cm².

asked Jan 23 in ElectroChemistry

1 answer 62 views

What is the cognitive reserve hypothesis?

asked Jan 20 in Psychology

1 answer 69 views

When was the General Health Questionnaire GHQ first published?

answered Jan 20 in Psychology

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