Recent activity by SterlingElki

1 answer 20 views

What is the effect of an increase in product concentration on the rate of the reaction between hydrogen peroxide and iodide ion?

asked 3 days ago in Chemical kinetics

1 answer 21 views

What is the pKa value of the compound benzene sulfonic acid and how does it affect the acidity of the molecule in different solvents?

answered 3 days ago in Organic Chemistry

1 answer 20 views

What are the factors that influence the photochemical properties of transition metal complexes and how do these properties affect the application of these complexes in various fields such as catalysis and solar energy conversion?

asked 3 days ago in PhotoChemistry

1 answer 3 views

What is the pH of a 0.1 M solution of hydrochloric acid if the pH meter reading is 1.5?

answered 3 days ago in Analytical Chemistry

1 answer 23 views

What is the percent yield of a reaction if 5.5 grams of product were obtained from the reaction of 7.8 grams of reactant and the theoretical yield of the product is 9.2 grams?

asked 3 days ago in Chemical reactions

1 answer 31 views

What is the optimum temperature, pressure and catalyst combination for the synthesis of polyvinyl alcohol from vinyl acetate monomer? How does changing the conditions affect the yield and purity of the final product?

answered 3 days ago in Chemical synthesis

1 answer 29 views

What is the most efficient and cost-effective method to produce industrial gases such as nitrogen, oxygen, and hydrogen on a large scale using chemical engineering principles? And how can the purity of each gas be ensured during the production process?

asked 4 days ago in Chemical engineering

1 answer 21 views

How does the metabolic profile of cancer cells differ from that of normal cells, and how can this information be used to develop targeted cancer therapies?

answered 4 days ago in BioChemistry

1 answer 26 views

What is the effect of different additives and processing techniques on the environmental impact of polymer-based packaging materials?

asked 5 days ago in Polymer Chemistry

1 answer 16 views

What is the critical micelle concentration (CMC) of sodium dodecyl sulfate (SDS) in water at 25°C?

asked 6 days ago in Surface Chemistry

1 answer 30 views

How does the coordination chemistry of the active site of metalloenzymes and metalloproteins affect their catalytic activity, and how can this information be used to design more effective catalysts for industrial and biomedical applications?

asked 6 days ago in Coordination Chemistry

1 answer 29 views

How does the concentration of reactants and products affect the equilibrium constant and reaction rate of a chemical reaction? Provide experimental evidence to support your answer.

asked 6 days ago in Chemical kinetics

1 answer 20 views

What is the bond enthalpy of the carbon-hydrogen bond in methane (CH4)? Provide calculations to support your answer.

answered Feb 18 in Chemical bonding

1 answer 24 views

How does the absorption spectra of a dye or pigment change with changing pH?

asked Feb 17 in PhotoChemistry

1 answer 33 views

How do the chemicals and pollutants present in air, such as sulfur dioxide and nitrogen oxides, contribute to respiratory health problems in humans and what can be done to minimize their impact?

asked Feb 14 in Environmental Chemistry

1 answer 27 views

What is the mechanism of phosphorescence in organic molecules, and how are the photochemical properties of these materials affected by changes in their molecular structure or environment?

answered Feb 14 in PhotoChemistry

1 answer 8 views

How can we utilize nanotechnology to optimize drug delivery systems for improved efficacy in the treatment of cancer?

answered Feb 13 in Medicinal Chemistry

1 answer 27 views

How can we modify the chemical structure of an existing antibiotic drug to specifically target bacteria that are resistant to current treatments?

answered Feb 13 in Medicinal Chemistry

1 answer 37 views

What is the total number of electrons transferred when a current of 2.0 A flows through a solution of CuSO4 for 15 minutes? Given that the molar mass of CuSO4 is 159.61 g/mol and the Faraday constant is 96,485 C/mol.

asked Feb 13 in ElectroChemistry

1 answer 43 views

How does doping affect the conductivity and bandgap of a semiconductor material used in electronic devices such as transistors?

answered Feb 12 in Materials Chemistry

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