Recent activity by CasimiraMick

1 answer 31 views

What factors affect the rate of the reaction between sodium thiosulfate and hydrochloric acid, and how do these factors affect the rate?

asked Feb 22 in Inorganic Chemistry

1 answer 29 views

What is the stepwise reaction mechanism involved in the preparation of 2,4-dichlorobenzoic acid from benzoic acid and chlorine gas, and at which step does the chlorination reaction occur?

asked Feb 22 in Chemical synthesis

1 answer 26 views

What is the mechanism behind the photo-induced isomerization of [Ru(bpy)3]2+ (tris(bipyridine)ruthenium(II)) and why does the process occur rapidly in solution but slowly in solid state?

answered Feb 22 in Quantum Chemistry

1 answer 35 views

What is the enthalpy of combustion of ethanol (C2H5OH) if the standard enthalpy change of combustion of ethanol is -1367 kJ/mol and the heat of formation of water (H2O) is -285.8 kJ/mol?

answered Feb 20 in ThermoChemistry

1 answer 28 views

How does the cooling rate affect the crystalline morphology of a polymer and what is the relationship between the crystalline morphology and the mechanical properties of the polymer?

answered Feb 19 in Polymer Chemistry

1 answer 47 views

How does the chemical structure of DNA facilitate the process of replication and repair, and what are the specific enzymes involved in these processes?

asked Feb 18 in BioChemistry

1 answer 32 views

What is the balanced chemical equation for the reaction of hydrochloric acid and sodium bicarbonate that results in the evolution of carbon dioxide gas?

answered Feb 17 in Chemical reactions

1 answer 31 views

What is the effect of temperature on the activity of the enzyme amylase in breaking down starch?

asked Feb 17 in BioChemistry

1 answer 41 views

What are the different types of RNA processing and splicing mechanisms involved in eukaryotic gene expression and how do they contribute to the regulation of gene expression?

asked Feb 14 in BioChemistry

1 answer 29 views

How do metalloenzymes and metalloproteins interact with metal ions in the coordination sphere and what are the factors that influence their reactivity?

asked Feb 13 in Coordination Chemistry

1 answer 83 views

What is the rate constant for a first-order decomposition reaction if the half-life is 120 seconds and the initial concentration of the reactant is 0.02 M?

asked Feb 13 in Physical Chemistry

1 answer 27 views

How can we design and synthesize a metal-organic framework with optimized pore size for the efficient capture of a specific gas molecule?

answered Feb 12 in Coordination Chemistry

1 answer 65 views

How can the synthesis and characterization of new materials, such as nanofibrous membranes, be optimized to effectively remove organic pollutants from water sources without compromising the material's structural stability and durability?

answered Feb 11 in Materials Chemistry

1 answer 72 views

How can the principles of quantum mechanics be utilized to predict the catalytic activity and selectivity of a given chemical reaction?

answered Feb 10 in Quantum Chemistry

1 answer 44 views

How can the electrolyte characteristics of polymer batteries be manipulated to improve battery performance and efficiency?

asked Feb 7 in Polymer Chemistry

1 answer 32 views

How can the design of a lubricant production system be optimized to reduce overall production costs while ensuring the desired quality and efficiency of the lubricants?

asked Feb 7 in Chemical engineering

1 answer 67 views

Calculate the standard enthalpy change for the precipitation reaction between 70.0 mL of 0.500 M lead(II) nitrate solution and excess sodium iodide solution at 25°C, if the resulting precipitate is PbI2 and the specific heat capacity of the solution is 4.18 J g^-1°C^-1.

answered Feb 3 in Chemical thermodynamics

1 answer 128 views

What is the effect of adding a catalyst on the equilibrium position of a redox reaction where iodate ions combine with sulfite ions in an acidic solution to create iodide ions and sulfate ions? Calculate the new equilibrium constant with and without the catalyst given the reaction equation: IO3^- (aq) + 3SO3^2- (aq) + H2O (l) → I^- (aq) + 3SO4^2- (aq) + 2H+ (aq) Assume the temperature, pressure and volume remain constant, and that the initial concentrations of each reactant and product are known.

answered Jan 30 in Chemical equilibrium

1 answer 74 views

How can the concentration of chloride ions in a sample solution be determined using an ion-selective electrode?

asked Jan 29 in Analytical Chemistry

1 answer 84 views

Calculate the corrosion potential of iron (Fe) in a 1 M solution of hydrochloric acid (HCl) at 25°C, given that the standard reduction potential of Fe is -0.44 V and the standard reduction potential of HCl is 1.36 V. What is the likelihood of iron corroding in this environment?

answered Jan 23 in ElectroChemistry

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