Recent activity by BenjaminWenz

1 answer 43 views

What is the relationship between temperature and the rate of a photochemical reaction and how does the activation energy of the reaction change with a change in temperature?

asked Feb 24 in PhotoChemistry

1 answer 34 views

How does the reaction rate affect the selectivity of the reaction between FeCl3 and KCNS in terms of the color change observed, as measured by UV-Vis spectroscopy?

asked Feb 22 in Chemical kinetics

1 answer 29 views

How do the photochemical properties of coordination compounds vary with different metal ions and ligands?

answered Feb 22 in PhotoChemistry

1 answer 37 views

How does the chemical composition of polymer filaments affect the properties and quality of 3D-printed objects, and what methods can be used to optimize the properties of the final printed product?

answered Feb 18 in Materials Chemistry

1 answer 32 views

How does surface modification of polymers affect their adhesion properties with other materials and what are the underlying chemical factors responsible for this change?

asked Feb 17 in Surface Chemistry

1 answer 33 views

What is the predicted acidity or basicity of sulfuric acid (H2SO4) based on its chemical bonding structure and the elements involved?

answered Feb 14 in Chemical bonding

1 answer 52 views

What is the role of lipoproteins in transporting lipids in the bloodstream and how do their varying densities affect their function?

asked Feb 13 in BioChemistry

1 answer 73 views

How does the type of catalyst and the surface area of the catalyst affect the rate of a specific reaction in heterogeneous catalysis?

asked Feb 13 in Surface Chemistry

1 answer 55 views

What type of bond exists between a carbon atom and an oxygen atom in CO2?

answered Feb 13 in Chemical bonding

1 answer 83 views

How does excess nitrogen and phosphorus pollution impact the water quality of a local freshwater ecosystem, and what are some potential chemical solutions that could be implemented to mitigate these negative effects?

asked Feb 13 in Environmental Chemistry

1 answer 73 views

How can the production of fragrances be optimized for maximum yield and quality while minimizing waste and cost in the chemical engineering process?

asked Feb 10 in Chemical engineering

1 answer 36 views

How can inadequate training for chemistry teachers be addressed to improve students' understanding and interest in chemistry?

asked Feb 6 in Chemical education

1 answer 31 views

How can computational chemistry and molecular modeling help in predicting the behavior of molecules in reactions and designing new molecules with specific properties?

answered Feb 5 in Physical Chemistry

1 answer 24 views

How can chemistry educators better prepare students for chemistry-related careers to ensure that they have the necessary skills and knowledge for success in the field?

answered Feb 4 in Chemical education

1 answer 105 views

Consider the electrochemical cell with the following half-cell reactions: Fe3+ (aq) + e- → Fe2+ (aq) E° = +0.771 V and Cd2+ (aq) + 2e- → Cd (s) E° = -0.403 V What is the overall cell potential, Ecell, under standard conditions? Which species will be reduced at the cathode? Which electrode is the anode? Justify your choices using the given standard reduction potentials.

answered Feb 3 in ElectroChemistry

1 answer 66 views

How does changing the reactant concentration affect the reaction rate and profitability in the production of a certain chemical compound?

answered Feb 3 in Chemical kinetics

1 answer 96 views

What is the chemical structure of an unknown organic compound that has been analyzed using magnetic resonance spectroscopy, and what functional groups are present in the compound?

answered Jan 31 in Physical Chemistry

1 answer 107 views

What is the type of bonding present in the compound aluminum oxide (Al2O3)? Is it ionic, covalent, or metallic? Please provide a detailed explanation.

asked Jan 31 in Inorganic Chemistry

1 answer 69 views

How can the concentration of an unknown substance in a sample be determined using spectrophotometry? Develop a step-by-step protocol for the student to follow in order to accurately quantify the amount of the substance in the sample.

answered Jan 29 in Analytical Chemistry

1 answer 65 views

Calculate the enthalpy of solution of sodium hydroxide (NaOH) in water, given that the heat absorbed by the solution is 128.0 kJ/mol and the molar concentration of the solution is 0.1 M. Assume that the specific heat capacity of the solution is the same as that of water (4.18 J/g⋅K) and that the density of the solution is 1.00 g/mL.

asked Jan 23 in ThermoChemistry

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