Recent activity by JoesphWoffor

1 answer 26 views

What is the number of electrons transferred during the redox reaction between copper metal and silver ion, if a solution containing 0.05 moles of copper metal is used with 0.1 moles of silver ion?

asked Feb 24 in ElectroChemistry

1 answer 29 views

How does the reaction rate of a chemical reaction affect its safety?

asked Feb 22 in Chemical kinetics

1 answer 37 views

What is the electronegativity difference between a carbon atom (2.55) and an oxygen atom (3.44) in the compound CO2?

asked Feb 20 in Chemical bonding

1 answer 41 views

What is the effect of temperature on the NMR spectra of a given organic compound?

asked Feb 20 in Physical Chemistry

1 answer 24 views

What is the dipole moment of hydrogen chloride (HCl) molecule and in which direction does it point?

answered Feb 19 in Chemical bonding

1 answer 22 views

How does the crystal structure of an inorganic compound affect its stability? Provide specific examples of inorganic compounds and their crystal structures to support your answer.

answered Feb 19 in Inorganic Chemistry

1 answer 35 views

What is the coordination number and geometry of the metal ion in a metallofullerene or metallocluster? How does the coordination and geometry affect the electronic and magnetic properties of the entire molecule?

answered Feb 19 in Coordination Chemistry

1 answer 35 views

How does the concentration of reactants affect the rate of reaction and the selectivity of products in the conversion of methyl ethyl ketone to pyruvic acid using hydrogen peroxide as an oxidizing agent in the presence of sulphuric acid catalyst?

asked Feb 19 in Chemical kinetics

1 answer 32 views

How does the concentration of heavy metals in water affect the growth of aquatic plants and the survival of fish in a polluted aquatic environment?

asked Feb 19 in Environmental Chemistry

1 answer 28 views

How does temperature affect the rate of electron transfer in a redox reaction?

asked Feb 17 in Quantum Chemistry

1 answer 26 views

How does surface modification of nanoparticles affect their stability and reactivity in different chemical environments?

answered Feb 17 in Surface Chemistry

1 answer 32 views

How does surface modification of nanoparticles affect their stability and reactivity in aqueous solutions?

answered Feb 17 in Surface Chemistry

1 answer 32 views

How can the yield and purity of the surfactant in the production of detergents be optimized through the choice of appropriate reaction conditions, such as temperature and pressure, and catalyst selection?

answered Feb 14 in Chemical engineering

1 answer 37 views

What is the difference between normal, branched and cyclic alkanes in terms of their boiling points? Provide examples of each type and explain how their boiling points vary.

asked Feb 14 in Organic Chemistry

1 answer 76 views

How can the recovery of valuable metals like gold, silver, and copper from electronic waste be optimized in a chemical engineering system?

asked Feb 10 in Chemical engineering

1 answer 64 views

How can the properties of polymer-based materials be tuned to optimize their performance in 3D printing applications? Specifically, what modifications to the chemistry of the polymer can improve factors such as printability, mechanical strength, and biocompatibility?

asked Feb 10 in Polymer Chemistry

1 answer 53 views

How can the mechanical properties of a polymer be improved by selecting appropriate polymerization conditions?

answered Feb 10 in Physical Chemistry

1 answer 44 views

How can the electronic and magnetic properties of metal-organic frameworks be accurately predicted using quantum chemistry calculations, and how do these properties impact the potential applications of these materials in fields such as catalysis and gas storage?

asked Feb 7 in Quantum Chemistry

1 answer 73 views

Given the reaction:2HgO(s) → 2Hg(l) + O2(g)Calculate the standard enthalpy change ($\Delta H$) and standard entropy change ($\Delta S$) at 298 K, if the standard enthalpy of formation of HgO(s), Hg(l), and O2(g) are -90.8 kJ/mol, 0 kJ/mol, and 0 kJ/mol, respectively.

answered Feb 4 in Inorganic Chemistry

1 answer 112 views

Design a potential drug molecule to treat type 2 diabetes. Include the molecular structure of the drug and explain how it will work in the body to regulate glucose levels. Also, discuss the potential side effects and any potential drug interactions with common medications used by diabetic patients.

asked Feb 4 in Medicinal Chemistry

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