Recent activity by JaimeStockma

1 answer 33 views

How does the size and shape of a molecule affect its ability to conduct electricity in a nanoscale system?

asked Feb 24 in Quantum Chemistry

1 answer 27 views

What is the step-by-step procedure for preparation of 2-chloro-4-nitroaniline from aniline and chlorine gas, including the appropriate reaction conditions, safety measures, and expected yield of the product?

asked Feb 22 in Chemical synthesis

1 answer 33 views

How do the photochemical properties of different photovoltaic materials affect their efficiency in converting solar energy into electrical energy?

asked Feb 22 in PhotoChemistry

1 answer 27 views

What is the optimal temperature and pressure condition for the synthesis of polyethylene oxide from ethylene oxide monomer, and how does varying these conditions affect the product's molecular weight and properties?

asked Feb 21 in Chemical synthesis

1 answer 39 views

What is the optimal concentration of nitric acid and sulfuric acid in the preparation of 2,4,6-trinitrotoluene from toluene to achieve the highest yield and purity of the final product?

answered Feb 21 in Chemical synthesis

1 answer 32 views

How would changing the pH affect the formation of a complex ion between iron (III) and thiocyanate ions? Provide a balanced equation that shows the formation of the complex ion and explain how the equilibrium constant would be impacted by changes in pH.

asked Feb 20 in Chemical equilibrium

1 answer 35 views

How does the temperature affect the phase behavior of a liquid crystal system modeled by Monte Carlo simulations, and what is the correlation between the magnitude of this effect and the molecular properties of the liquid crystal molecules?

answered Feb 17 in Computational Chemistry

1 answer 32 views

What are the mechanical and thermal properties of polymer-based composites used in aerospace applications, and how do they compare to traditional metal alloys?

asked Feb 14 in Polymer Chemistry

1 answer 96 views

What is the molecular orbital diagram of ethene (C2H4), and how does the electronic structure explain the bonding in the molecule?

answered Feb 13 in Quantum Chemistry

1 answer 40 views

How can chemistry-related extracurricular activities be made more widely available to students in areas where resources are limited, in order to enhance their learning and interest in the subject?

answered Feb 6 in Chemical education

1 answer 69 views

Consider an electrochemical cell with the following half-cell reaction: Cu(s) | Cu2+(aq) || Ag+(aq) | Ag(s). Suppose the concentration of Cu2+ is 2.0 M and the concentration of Ag+ is 1.0 M. Calculate the resistance of the electrochemical cell if the cell potential is 0.60 V at 25°C.

answered Feb 3 in ElectroChemistry

1 answer 76 views

Calculate the standard Gibbs free energy change (ΔG°) for the following electrochemical reaction:Cu(s) + 2Ag⁺(aq) → Cu²⁺(aq) + 2Ag(s)Given: - Standard reduction potential for the half-reaction: Cu²⁺(aq) + 2e⁻ → Cu(s) E° = +0.34 V Ag⁺(aq) + e⁻ → Ag(s) E° = +0.80 V

answered Feb 3 in ElectroChemistry

1 answer 101 views

What are the new therapeutic targets and drug molecules that can be used to develop effective treatments for cardiovascular diseases?

answered Jan 31 in Medicinal Chemistry

1 answer 97 views

What is the chemical composition of acid rain, and how does it affect the pH level of soil and water bodies in areas prone to acid rain?

answered Jan 30 in Environmental Chemistry

1 answer 103 views

How can chemistry students and teachers work together to effectively advocate for increased funding for chemistry education?

answered Jan 30 in Chemical education

1 answer 85 views

What is the amount (in moles) of calcium carbonate in a 7.25 g sample of limestone if the gravimetric analysis found that the sample contained 65.2% calcium carbonate?

asked Jan 30 in Analytical Chemistry

1 answer 75 views

Calculate the bond dissociation energy (in kJ/mol) required to break the carbon-hydrogen bond in methane using the given bond dissociation energies: C-H = 413 kJ/mol, C-C = 347 kJ/mol, C=C = 602 kJ/mol, H-H = 436 kJ/mol.

answered Jan 23 in ThermoChemistry

1 answer 77 views

Calculate the amount of heat that needs to be absorbed to crystallize 100 grams of sodium acetate (CH3COONa) from a saturated solution at 40°C. The heat of crystallization for sodium acetate is -264 kJ/mol.

answered Jan 23 in ThermoChemistry

1 answer 75 views

What is the oxidation state of nitrogen in NH4NO2?

answered Jan 21 in Inorganic Chemistry

1 answer 53 views

According to the elaboration likelihood model ELM , what are the two routes of persuasion?

asked Jan 20 in Psychology

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