Recent activity by WallaceUpsha

1 answer 27 views

What is the impact of size and shape of nanomaterials on their electronic and optical properties?

asked Feb 24 in Quantum Chemistry

1 answer 36 views

What is the net ionic equation for the reaction between silver nitrate and potassium chloride that produces a white precipitate?

asked Feb 22 in Chemical reactions

1 answer 32 views

What is the most efficient and cost-effective method to synthesize polypropylene from propylene monomer?

asked Feb 21 in Chemical synthesis

1 answer 42 views

How does the lipid composition of a bilayer membrane affect its permeability and fluidity? Use molecular dynamics simulations to investigate the behavior of different lipid compositions under varying temperature and pressure conditions.

asked Feb 20 in Computational Chemistry

1 answer 34 views

How does the degree of conjugation in a π-system affect the energy of the HOMO and LUMO orbitals of a molecule, and how can this information be obtained from quantum chemical calculations of excited states?

asked Feb 19 in Computational Chemistry

1 answer 24 views

How does the addition of carbon nanotubes (CNTs) as a reinforcement material affect the mechanical properties of polymer-based composites used in aerospace applications?

answered Feb 17 in Polymer Chemistry

1 answer 43 views

How do different types of sunscreen agents (e.g. organic vs. inorganic) differ in their photochemical properties, and how do these properties affect their effectiveness at protecting against UV radiation?

answered Feb 14 in PhotoChemistry

1 answer 39 views

How can the use of organic farming methods reduce the negative impact of agriculture on the environment, specifically with regards to soil degradation and water pollution?

asked Feb 14 in Environmental Chemistry

1 answer 43 views

What is the mechanism of nucleophilic substitution reaction in halogenoalkanes? Explain the role of the nucleophile and the leaving group in the reaction. Provide an example of a nucleophilic substitution reaction and predict the product formed.

asked Feb 14 in Organic Chemistry

1 answer 30 views

How can we use molecular modeling techniques to optimize the design of drug molecules that will bind with high affinity to a specific protein receptor?

answered Feb 13 in Physical Chemistry

1 answer 33 views

How do metal ions coordinate and catalyze reactions in metalloproteins and enzymes?

answered Feb 13 in Coordination Chemistry

1 answer 49 views

How can the efficiency of a hydrogen fuel production system be optimized by selecting the appropriate catalyst and adjusting reaction conditions?

answered Feb 7 in Chemical engineering

1 answer 36 views

How can chemistry students who feel inadequately prepared for chemistry-related careers make up for the knowledge and skills they lack to succeed in their chosen field?

asked Feb 5 in Chemical education

1 answer 84 views

Determine the bond angles in a water molecule using the principles of Quantum Chemistry.

answered Feb 4 in Quantum Chemistry

1 answer 45 views

Calculate the standard enthalpy change for the phase transition of solid copper to liquid copper given the following data: - the melting point of copper is 1,085°C - the molar heat of fusion of copper is 13.1 kJ/mol.

asked Feb 3 in Chemical thermodynamics

1 answer 58 views

Calculate the standard electrode potential (E°) for the reaction below at 298K using the standard reduction potentials given:2H⁺(aq) + 2e⁻ → H₂(g) E°= 0.00VFe³⁺(aq) + e⁻ → Fe²⁺(aq) E°=+0.77V 2H⁺(aq) + Fe³⁺(aq) → H₂(g) + Fe²⁺(aq)

asked Feb 3 in Chemical thermodynamics

1 answer 69 views

Calculate the rate of electroplating of copper on a metallic surface at a current of 2.5 amperes for a duration of 3 hours using a copper nitrate solution with a concentration of 0.2 M. Given that the standard potential of the reduction reaction of Cu2+ to Cu is +0.34 V and the charge of one mole of electrons is 96500 C/mol.

answered Feb 3 in ElectroChemistry

1 answer 98 views

How does the drug aspirin target and inhibit an enzyme in the body, and what is the chemical mechanism behind its anti-inflammatory and analgesic properties?

answered Jan 31 in Medicinal Chemistry

1 answer 105 views

What is the concentration of a specific protein in a sample of human blood serum and how does it compare to the normal physiological range, using capillary electrophoresis?

asked Jan 30 in Analytical Chemistry

1 answer 60 views

How can liquid chromatography be used to quantify the amount of caffeine present in a sample of coffee?

answered Jan 29 in Analytical Chemistry

Categories