Recent activity by DeboraFallen

1 answer 22 views

What is the equilibrium constant (Kc) for the reaction between iodine (I2) and iodide ion (I-) in a solution of potassium iodide (KI)?

answered Feb 22 in Chemical equilibrium

1 answer 29 views

How does the production of a gas affect the rate of a chemical reaction?

answered Feb 22 in Chemical kinetics

1 answer 35 views

What is the effect of varying the concentration of reactants on the rate of a chemical reaction and how does this impact the overall efficiency of the reaction?

answered Feb 20 in Chemical kinetics

1 answer 27 views

What is the effect of temperature on the rate of reaction in the catalytic conversion of methane into syngas using nickel as the catalyst?

answered Feb 20 in Physical Chemistry

1 answer 34 views

How does the choice of precursor materials affect the size and shape of nanoparticles synthesized using chemical precipitation methods?

answered Feb 18 in Materials Chemistry

1 answer 32 views

What is the boiling point of aluminum fluoride (AlF3) if the atmospheric pressure is 760 mm Hg?

answered Feb 17 in Inorganic Chemistry

1 answer 32 views

How does the binding of metals in metalloenzymes and metalloproteins affect the catalytic activity of the protein and what is the mechanism behind this process?

asked Feb 17 in Coordination Chemistry

1 answer 47 views

How does protein phosphorylation affect the activity of enzymes involved in signal transduction pathways? Support your answer with specific examples of enzymes and their substrates involved in signal transduction pathways.

asked Feb 14 in BioChemistry

1 answer 44 views

How can we use molecular docking studies to identify potential inhibitors of protein-protein interactions involved in a specific disease pathway and design new drugs to target these interactions?

answered Feb 13 in Computational Chemistry

1 answer 101 views

What are the different types of liquid crystals and how do their physical properties vary from each other?

answered Feb 13 in Physical Chemistry

1 answer 88 views

What is the effect of ligand substitution on the photochemical properties of lanthanide complexes? Provide an experimental analysis of the photophysical and photochemical behavior of a chosen lanthanide complex before and after ligand substitution.

asked Feb 13 in PhotoChemistry

1 answer 78 views

How does the adsorption of a gas on a solid surface change with temperature in the physical chemistry of surface chemistry?

asked Feb 13 in Physical Chemistry

1 answer 31 views

How can we design a self-assembling supramolecular structure using hydrogen bonding between complementary functional groups?

asked Feb 12 in Physical Chemistry

1 answer 57 views

How can the mechanical and thermal properties of polymer-based composites be optimized to meet the specific demands of aerospace applications such as aircraft structures, components, and equipment? Consider the effects of different types of fillers, matrix materials, processing techniques, and environmental conditions on the performance of the composites. Recommend an ideal polymer-based composite that can provide high strength, stiffness, toughness, and heat resistance for use in aerospace engineering.

asked Feb 10 in Polymer Chemistry

1 answer 75 views

Design a process for the production of urea-based fertilizer starting from ammonia and carbon dioxide gas feedstocks. Determine the optimal operating conditions, including temperature, pressure, and reactor design specifications, to achieve maximum conversion and yield of the desired product. Also, identify and address any potential environmental impacts that may result from the production process.

answered Feb 4 in Chemical engineering

1 answer 148 views

What specific chemical modifications can be made to a known cardiovascular medication to increase its potency and/or reduce potential side effects?

answered Jan 31 in Medicinal Chemistry

1 answer 83 views

What is the effectiveness of the Clean Air Act in reducing air pollution in major cities in the United States?

answered Jan 31 in Environmental Chemistry

1 answer 90 views

How does ambient temperature affect the dynamics of lipid bilayers in molecular simulations using different force fields?

asked Jan 31 in Computational Chemistry

1 answer 72 views

Calculate the efficiency of an electrochemical cell with a standard potential of +0.80 V if the cell potential under operating conditions is +0.60 V and the current passing through the cell is 2.5 A.

answered Jan 23 in ElectroChemistry

1 answer 24 views

A student has a solution of AlF3 with a concentration of [AlF3] = 0.015 M, which is in equilibrium according to the equation: AlF3 (s) ⇌ Al3+ (aq) + 3 F- (aq). Calculate the new equilibrium concentration of F- ions if 0.001 mol of NaF is added to the solution initially at equilibrium. (Ksp of AlF3 = 2.0 x 10^-23, NaF is a common ion with F-)

asked Jan 22 in Chemical equilibrium

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