Recent activity by TraceeKeith9

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What is the optimal reaction conditions (temperature and time) for the preparation of benzocaine from p-aminobenzoic acid and ethanol, and how do these conditions affect the yield and purity of the final product?

asked Feb 22 in Chemical synthesis

1 answer 33 views

How does the molecular weight of a polymer influence its rheological properties in a melt state? Provide experimental evidence to support your answer.

asked Feb 21 in Polymer Chemistry

1 answer 24 views

What is the major product obtained from the reaction between 2-bromo-2-methylbutane and alcoholic potassium hydroxide, and why?

asked Feb 20 in Organic Chemistry

1 answer 29 views

How does the degree of entanglement affect the efficiency of energy transfer in molecular and nanoscale systems?

answered Feb 19 in Quantum Chemistry

1 answer 35 views

How does the coordination chemistry of chelating agents, such as EDTA and DMSA, contribute to their effectiveness in chelation therapy for heavy metal poisoning?

answered Feb 19 in Coordination Chemistry

1 answer 46 views

What are the electronic properties of polyacetylene and how does the conjugation lengths in the polymer affect those properties?

asked Feb 14 in Polymer Chemistry

1 answer 105 views

What are the different types of liquid crystals and how their chemical structures affect their properties and applications?

answered Feb 13 in Physical Chemistry

1 answer 83 views

What is the coordination number of the transition metal in a metallofullerene with the chemical formula Sc3N@C80, and how does it affect the electronic structure and reactivity of the molecule compared to an empty fullerene?

answered Feb 13 in Coordination Chemistry

1 answer 67 views

What is the oxidation number of nitrogen in NH4OH?

answered Feb 13 in Chemical reactions

1 answer 48 views

What type of bonding exists between the atoms of oxygen molecule? Explain your answer in detail.

answered Feb 13 in Chemical bonding

1 answer 65 views

How can the structure of existing antibiotics be modified to enhance their efficacy against drug-resistant bacteria while minimizing toxicity to human cells?

answered Feb 11 in Medicinal Chemistry

1 answer 42 views

How can the optical and electrical properties of liquid crystals be tuned to improve the efficiency and performance of liquid crystal displays?

answered Feb 10 in Materials Chemistry

1 answer 42 views

How can computational methods be used to predict the catalytic activity and selectivity of a particular catalyst for a given chemical reaction in quantum chemistry?

asked Feb 6 in Quantum Chemistry

1 answer 36 views

How can chemistry students overcome limited access to laboratory equipment and facilities and still effectively learn and apply experimental techniques in the field?

asked Feb 5 in Chemical education

1 answer 62 views

Calculate the standard enthalpy change for the reaction in which 50.0 mL 0.20 M HCl(aq) is mixed with 50.0 mL 0.10 M NaOH(aq) in a constant pressure calorimeter. Given that the density of both the solutions is 1.00 g/mL and the specific heat capacity of the mixture is 4.18 J/g°C. Assume the temperature change to be negligible.

asked Feb 3 in Chemical thermodynamics

1 answer 111 views

What is the dipole moment of carbon dioxide (CO2)?

asked Jan 31 in Chemical bonding

1 answer 119 views

What are some effective teaching strategies for chemistry teachers to overcome the challenges of inadequate training and improve students' understanding of complex chemical concepts?

asked Jan 30 in Chemical education

1 answer 102 views

What is the amount of copper present in a 2-g copper wire using coulometry?

answered Jan 30 in Analytical Chemistry

1 answer 61 views

Calculate the enthalpy of isomerization for butene to isobutene given the following bond dissociation energies (in kJ/mol): C-C = 345, C=C = 614, C-H = 413.

asked Jan 23 in ThermoChemistry

1 answer 87 views

Calculate the current density of an electrochemical cell where a nickel electrode is oxidized to form nickel (II) ions, while a copper electrode is reduced by the nickel (II) ions. The cell has a voltage of 0.65 volts and a resistance of 50 ohms. The surface area of the nickel electrode is 10 cm² while that of the copper electrode is 15 cm². The current density of the electrochemical cell is expressed in A/cm².

answered Jan 23 in ElectroChemistry

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