Recent activity by RenaCastella

1 answer 29 views

What is the effect of concentration on the rate of the reaction between magnesium ribbon and hydrochloric acid? How does the rate of reaction change as the concentration of hydrochloric acid is increased?

asked Feb 22 in Chemical kinetics

1 answer 36 views

What is the overpotential required for the oxidation of silver ions to silver metal at a silver electrode if the reduction potential for the reaction is +0.80 V and the applied voltage is +1.00 V?

asked Feb 22 in ElectroChemistry

1 answer 31 views

What is the molecular geometry and bond angles of methane molecule (CH4) using the VSEPR theory?

asked Feb 21 in Quantum Chemistry

1 answer 27 views

What is the mechanism behind the movement of charged particles in a colloidal system under the influence of an electric field? How can we use knowledge of electrokinetic phenomena to control the behavior and stability of colloidal suspensions?

answered Feb 20 in Surface Chemistry

1 answer 32 views

What is the mechanism and driving force for the ligand substitution reaction between Co(NH3)5Cl2 and AgNO3, and how does the rate of the reaction change with varying concentrations of the reactants?

asked Feb 20 in Coordination Chemistry

1 answer 30 views

What is the effect of varying concentration of reactants on the rate of reaction between hydrochloric acid and sodium thiosulfate?

asked Feb 20 in Chemical kinetics

1 answer 33 views

How does the addition of different types of lipids affect the structure and behavior of a lipid bilayer membrane as observed through molecular dynamics simulations?

asked Feb 17 in Computational Chemistry

1 answer 45 views

How can we use molecular modeling to predict the properties of a chemical reaction and optimize the reaction conditions to increase the yield?

asked Feb 13 in Physical Chemistry

1 answer 61 views

What is the oxidation state of sulfur in H2SO4 (sulfuric acid)?

answered Feb 13 in Chemical reactions

1 answer 66 views

What type of intermolecular forces are present in a sample of methane gas (CH4) at room temperature and pressure?

asked Feb 13 in Chemical bonding

1 answer 24 views

How can we design an efficient and cost-effective system for producing hydrogen fuel using renewable energy sources in a chemical engineering process?

asked Feb 12 in Chemical engineering

1 answer 72 views

How does the coordination chemistry of metalloenzymes and metalloproteins relate to their respective functions? Provide examples of metalloenzymes and metalloproteins and explain how their coordination chemistry affects their activity.

answered Feb 12 in Coordination Chemistry

1 answer 45 views

How can the practical applications of chemistry be incorporated into the classroom to enhance student understanding and interest in the subject?

asked Feb 10 in Chemical education

1 answer 55 views

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

asked Feb 10 in Physical Chemistry

1 answer 37 views

How can the conductivity of polymer electrolytes be enhanced for use in batteries?

asked Feb 6 in Polymer Chemistry

1 answer 42 views

How can crystallography and knowledge of crystal structures be used to determine the purity of a particular substance?

asked Feb 6 in Physical Chemistry

1 answer 47 views

How can magnetic resonance spectroscopy be used to determine the structure of complex organic molecules? Provide an example of a molecule and explain how its structure can be determined using this technique.

asked Feb 5 in Physical Chemistry

1 answer 43 views

How can chemistry educators better leverage limited funding for chemistry education in order to continue providing high-quality instruction and resources to their students?

answered Feb 4 in Chemical education

1 answer 82 views

Determine the enthalpy change for the oxidation of 2 moles of iron (Fe) to form iron oxide (FeO) using the following data: Fe + 1/2 O2 → FeO ΔH = -65.0 kJ/mol 4 Fe + 3 O2 → 2 Fe2O3 ΔH = -1648.6 kJ/mol

asked Feb 4 in ThermoChemistry

1 answer 83 views

What is the effect of a catalyst on the rate of a chemical reaction, and how does this relate to the reaction mechanism?

answered Jan 30 in Chemical kinetics

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