Recent activity by Lizzie32E683

1 answer 73 views

What is the relationship between the electronic structure of transition metal complexes and their magnetic properties, and how can this relationship be accurately predicted using quantum chemistry methods?

answered Feb 24 in Quantum Chemistry

1 answer 75 views

What is the molecular geometry and bond angles of ammonia (NH3) molecule?

asked Feb 21 in Quantum Chemistry

1 answer 71 views

What is the mechanism of electrophilic addition of hydrogen bromide to propene in the presence of a peroxide catalyst?

asked Feb 20 in Organic Chemistry

1 answer 75 views

How does the implementation of quantum algorithms on quantum computers compare to classical algorithms on classical computers for solving chemical problems, such as determining molecular ground state energies and reaction mechanisms?

asked Feb 20 in Quantum Chemistry

1 answer 74 views

What is the mechanism of the Friedel-Crafts acylation reaction and how does it differ from the Friedel-Crafts alkylation reaction when synthesizing aromatic compounds? Provide an example of each reaction and explain their selectivities.

answered Feb 20 in Organic Chemistry

1 answer 85 views

How is the binding affinity of a particular protein-protein interaction affected by changes in pH?

asked Feb 17 in BioChemistry

1 answer 76 views

What is the balanced chemical equation for the preparation of 2,4-dichloronitrobenzene from nitrobenzene and chlorine gas, and how much of each reagent is required to produce 10 grams of the final product?

asked Feb 17 in Chemical synthesis

1 answer 66 views

What factors contribute to the enhancement of Raman signals in Surface-enhanced Raman spectroscopy (SERS) and how can they be optimized to obtain the highest possible signal enhancement?

answered Feb 17 in Surface Chemistry

1 answer 87 views

How does quantum coherence and entanglement impact the stability and reactivity of molecular and nanoscale systems?

answered Feb 14 in Quantum Chemistry

1 answer 83 views

What is the difference between primary, secondary, and tertiary amines, and how does their basicity compare? Additionally, give an example of a common amine that is used in everyday products and explain its function.

asked Feb 14 in Organic Chemistry

1 answer 169 views

What is the polarity of the bond between carbon and oxygen in the molecule carbon dioxide (CO2)?

answered Feb 13 in Chemical bonding

1 answer 118 views

How can the sensitivity and selectivity of a polymer-based sensor be improved for detecting a specific analyte in a complex matrix?

asked Feb 10 in Polymer Chemistry

1 answer 71 views

How can the principles of medicinal chemistry be applied to design drugs that effectively target genetic disorders caused by mutations in specific genes?

asked Feb 10 in Medicinal Chemistry

1 answer 94 views

How can the permeability and selectivity of polymer-based membranes for water treatment be optimized for the removal of specific contaminants, such as heavy metals or organic compounds?

asked Feb 10 in Polymer Chemistry

1 answer 108 views

How can the critical temperature (Tc) of superconducting materials be improved through the modulation of the crystal structure and composition of the material?

asked Feb 6 in Materials 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?

asked Feb 6 in Quantum Chemistry

1 answer 93 views

How can environmental chemistry concepts be integrated into high school chemistry curriculums to increase student awareness and understanding of the impact of chemistry on the environment?

asked Feb 5 in Chemical education

1 answer 133 views

Design a distillation column that can effectively separate a mixture of 75% ethanol and 25% water with a feed rate of 1000 kg/hr. Your column should produce a distillate with a composition of at least 95% ethanol and a bottom product with no more than 5% ethanol. Assume the feed mixture enters the column at its boiling point and you have access to a cooling water supply at 20°C for the condenser. Provide a detailed design and justification of your column's operating conditions including temperatures, pressures, and flow rates.

answered Feb 3 in Chemical engineering

1 answer 126 views

Calculate the standard electrode potential of the following reaction: Cu2+(aq) + 2e- ⇌ Cu(s) Given that the standard reduction potential of Cu2+(aq) is +0.34 V and the standard electrode potential of hydrogen electrode is 0.00 V.

asked Feb 3 in Chemical thermodynamics

1 answer 131 views

Calculate the pH of a 0.2 M solution of acetic acid (Ka = 1.8 x 10^-5) at 25°C.

asked Feb 3 in Chemical reactions

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