Recent activity by GiselleDange

1 answer 77 views

How does the size and shape of a nanomaterial affect its electronic and optical properties, and how can quantum chemistry calculations be used to predict and understand these properties?

asked Feb 24 in Quantum Chemistry

1 answer 77 views

How does the concentration of intermediate species affect the rate of the reaction between iodine and propanone in the presence of hydrochloric acid catalyst, and what is the overall order of the reaction?

asked Feb 22 in Chemical kinetics

1 answer 113 views

What is the optimal temperature and duration required for the preparation of p-nitroaniline from aniline and nitric acid to achieve maximum yield?

answered Feb 22 in Chemical synthesis

1 answer 85 views

What is the effect of temperature on the electrical conductivity of an ionic liquid consisting of tetraethylammonium chloride and ethylene glycol?

answered Feb 20 in Physical Chemistry

1 answer 90 views

How does the change in temperature affect the rate of electron transfer in a redox reaction between iron and copper ions in an aqueous solution, according to the principles of quantum chemistry?

asked Feb 18 in Quantum Chemistry

1 answer 76 views

How does the addition of a catalyst affect the equilibrium position of a chemical reaction at a constant temperature? Provide an example of a reversible reaction and the effect of a catalyst on its equilibrium constant.

asked Feb 17 in Chemical equilibrium

1 answer 85 views

What is the crystal structure of sodium chloride and how does it affect the physical and chemical properties of this compound?

answered Feb 14 in Physical Chemistry

1 answer 95 views

How does the enzyme Rubisco facilitate the fixation of CO2 during photosynthesis, and what factors affect its efficiency in this process?

asked Feb 14 in BioChemistry

1 answer 89 views

What is the mechanism of photodissociation of benzene in the presence of ultraviolet light, and how does it differ from the mechanism of photodissociation of cyclohexane under the same conditions?

asked Feb 14 in PhotoChemistry

1 answer 120 views

How does limited exposure to current research in chemistry affect the motivation and career decisions of undergraduate chemistry students?

asked Feb 13 in Chemical education

1 answer 135 views

How can the synthesis and characterization of new materials enhance the sensitivity and selectivity of gas sensors for the detection of toxic gases?

answered Feb 11 in Materials Chemistry

1 answer 110 views

How can the purification process of a chemical be optimized to achieve a high product yield without compromising the quality of the final product?

answered Feb 10 in Chemical engineering

1 answer 99 views

How can the chemical structure modifications of non-steroidal anti-inflammatory drugs (NSAIDs) be used to increase efficacy and decrease side effects in the treatment of inflammatory diseases?

asked Feb 6 in Medicinal Chemistry

1 answer 90 views

How can the calculation of magnetic properties using quantum chemistry theories help in understanding the behavior of molecules and materials in magnetic fields?

answered Feb 6 in Quantum Chemistry

1 answer 71 views

How can chemistry teachers provide adequate support for students with learning disabilities to ensure they have equal opportunities to succeed in the subject?

answered Feb 5 in Chemical education

1 answer 92 views

How can chemistry teachers provide better support for students with learning disabilities in the classroom to ensure they have equal access to learning opportunities and achieve success in the subject?

answered Feb 5 in Chemical education

1 answer 117 views

Identify the resonance structures of the molecule benzene and explain how the delocalization of electrons in the molecule leads to its stability.

answered Jan 31 in Chemical bonding

1 answer 92 views

Calculate the equilibrium constant for the electrochemical reaction: Zn(s) + 2H^+(aq) → Zn^2+(aq) + H2(g) when the concentration of Zn^2+ is 0.25 M, [H^+] is 2.5 × 10^-3 M, and the pressure of H2 is 0.8 atm at 298 K.

asked Jan 23 in ElectroChemistry

1 answer 131 views

A copper electrode is immersed in a 0.1M solution of CuSO4 and a zinc electrode is immersed in 0.1M solution of ZnSO4. Both the solutions are connected with a salt bridge. If the standard reduction potentials of Cu2+/Cu and Zn2+/Zn are +0.34V and -0.76 V respectively, calculate the potential difference between the two electrodes at 25°C.

asked Jan 22 in ElectroChemistry

1 answer 63 views

What is the mirror neuron system according to the mirror neuron theory?

asked Jan 20 in Psychology

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