Recent activity by AlfonsoJanze

1 answer 31 views

What is the optimal temperature and pressure for the production of cinnamon flavor using a batch reactor design, and how can the reaction be scaled up for commercial production while maintaining quality and yield?

answered 5 days ago in Chemical engineering

1 answer 29 views

How does the presence of a metal nanoparticle affect the surface-enhanced Raman spectroscopy (SERS) signal of a molecule?

asked 5 days ago in Surface Chemistry

1 answer 19 views

How do the physicochemical properties of a drug affect its pharmacokinetics in the human body?

asked 5 days ago in Medicinal Chemistry

1 answer 26 views

What is the effect of temperature on the rate of catalysis by the enzyme amylase, and how does the addition of an inhibitor molecule affect this rate at different temperatures?

asked Feb 20 in BioChemistry

1 answer 27 views

What is the effect of different surface modification techniques on the contact angle of a polymer film?

answered Feb 19 in Surface Chemistry

1 answer 32 views

What is the step-by-step procedure for synthesizing 2,4-dinitrobenzoic acid from benzoic acid and nitric acid, and what are the appropriate safety precautions that should be taken during the synthesis process?

answered Feb 17 in Chemical synthesis

1 answer 33 views

What is the effect of molecular chirality on the absorption and emission of light by chiral molecules?

asked Feb 13 in PhotoChemistry

1 answer 40 views

What is the role of surface area in heterogeneous catalysis and how does it affect the catalytic activity of the given substance?

asked Feb 13 in Surface Chemistry

1 answer 41 views

How can we effectively and safely dispose of radioactive waste to minimize its impact on the environment?

answered Feb 13 in Environmental Chemistry

1 answer 49 views

How do the chemical properties and composition of crude oil affect its behavior and impact on the environment during an oil spill?

answered Feb 12 in Environmental Chemistry

1 answer 43 views

How can the production process of detergents be optimized to reduce the environmental impact of the manufacturing process?

asked Feb 10 in Chemical engineering

1 answer 25 views

How can the polymerization reaction of acrylonitrile monomer be optimized to increase the production yield and molecular weight of polyacrylonitrile?

asked Feb 10 in Chemical synthesis

1 answer 23 views

How can the design of drugs to treat metabolic disorders be optimized to target specific metabolic pathways while minimizing off-target effects?

answered Feb 7 in Medicinal Chemistry

1 answer 33 views

How can chemistry educators incorporate comprehensive safety protocols in their lab curriculum to increase students' awareness and adherence to safe practices?

answered Feb 4 in Chemical education

1 answer 41 views

Given the following electrochemical equation:Cu(s) | Cu²⁺(aq, 0.0100 M) || Cr³⁺(aq, 1.00 M) | Cr(s)At 298 K, the standard reduction potential for Cu²⁺/Cu is +0.34 V and for Cr³⁺/Cr is -0.74 V. Calculate the equilibrium constant (K) for the above electrochemical reaction.

asked Feb 4 in ElectroChemistry

1 answer 54 views

Can you identify the differences in the photochemical properties of the enantiomers of a chiral molecule and explain how this affects their behavior in a photochemical reaction?

asked Feb 3 in PhotoChemistry

1 answer 61 views

Calculation of standard enthalpy change for the combustion of propane.If 5 moles of propane react completely in a bomb calorimeter under standard conditions, calculate the standard enthalpy change for the combustion of propane. The balanced chemical equation for the combustion of propane is:C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(g) Given the standard enthalpy of formation at 25°C and 1 atm for C3H8(g), CO2(g), H2O(g) are -103.8 kJ/mol, -393.5 kJ/mol and -241.8 kJ/mol respectively.

asked Feb 3 in Chemical thermodynamics

1 answer 46 views

Calculate the standard electrode potential for the redox reaction: Al(s) + Fe2+(aq) → Fe(s) + Al3+(aq) at 298K, given that the standard reduction potential for Fe2+/Fe is -0.44V and Al3+/Al is -1.66V.

answered Feb 3 in Chemical thermodynamics

1 answer 88 views

What is the mechanism of bioluminescence in fireflies and how does it differ from other bioluminescent organisms in terms of the photochemical properties involved in the process?

answered Jan 31 in PhotoChemistry

1 answer 33 views

Using computational chemistry and molecular modeling, determine the most stable conformer of cyclohexane and calculate its heat of formation at 298 K.

answered Jan 31 in Physical Chemistry

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