Recent activity by NorineFelici

1 answer 69 views

What is the correct molar ratio of phenol to nitric acid for the preparation of 2,4-dinitrophenol from phenol and nitric acid using sulfuric acid as a catalyst?

answered Feb 22 in Chemical synthesis

1 answer 87 views

How does the polarity of a solvent affect the solubility of a substance? Provide specific examples of polar and nonpolar solvents and solutes, and explain the mechanism behind their solubility.

asked Feb 22 in Chemical bonding

1 answer 81 views

What is the most suitable polymer electrolyte material for use in a lithium-ion battery and why?

asked Feb 21 in Polymer Chemistry

1 answer 79 views

What is the equilibrium constant expression for the following gas phase reaction at 25°C?N2(g) + 3H2(g) ⇌ 2NH3(g)Given the equilibrium concentrations of N2, H2 and NH3, calculate the value of the equilibrium constant (Kc) for this reaction.

answered Feb 20 in Chemical equilibrium

1 answer 87 views

What is the correlation between the electronic and magnetic properties of metal-organic frameworks and their topology? Can topological analysis be used to predict the electronic and magnetic properties of novel metal-organic frameworks?

answered Feb 20 in Quantum Chemistry

1 answer 76 views

What is the effect of temperature and pressure on the adsorption of gases on solid surfaces? Provide mathematical equations and real-life examples to explain your answer.

asked Feb 19 in Surface Chemistry

1 answer 81 views

What is the effect of increasing concentration of product X on the reaction rate of the chemical reaction A + B -> X?

answered Feb 19 in Chemical kinetics

1 answer 89 views

How does the drug-drug interaction between aspirin and warfarin affect blood clotting mechanisms in the body?

asked Feb 19 in Medicinal Chemistry

1 answer 83 views

How does the coordination environment of the metal ion in the active site of an enzyme affect its catalytic activity? Provide a specific example of a metalloenzyme and explain the role of coordination chemistry in its function.

answered Feb 19 in Coordination Chemistry

1 answer 88 views

What are the roles of metal ions in metalloenzymes and metalloproteins and how does their coordination chemistry facilitate biological processes?

answered Feb 13 in Coordination Chemistry

1 answer 163 views

What is the relationship between enantiomers and optical activity in organic chemistry? Please explain with examples of molecules that exhibit chirality and their optical properties.

asked Feb 13 in Organic Chemistry

1 answer 118 views

How can we design small molecule drugs targeting specific respiratory disease pathways, such as bronchoconstriction or airway inflammation, using medicinal chemistry approaches?

asked Feb 12 in Medicinal Chemistry

1 answer 155 views

How does the electronic band structure of a material change with different dopants, as predicted by Density Functional Theory calculations?

asked Feb 12 in Computational Chemistry

1 answer 110 views

How can the reaction rates of alkene and alkyne hydrohalogenation be compared and what factors affect their relative rates?

answered Feb 10 in Organic Chemistry

1 answer 80 views

How can computer-aided drug design be utilized to develop new treatments for autoimmune diseases, focusing specifically on the design of small-molecule inhibitors that target key immune system signaling pathways?

answered Feb 6 in Medicinal Chemistry

1 answer 96 views

How can spectroscopic techniques be used to determine the coordination number and geometry of a transition metal complex? Provide an example of a complex and the corresponding spectroscopic data that can be used to determine its structure.

asked Feb 5 in Coordination Chemistry

1 answer 92 views

How can polymer-based sensors be utilized to detect specific gases in an industrial process environment?

answered Feb 5 in Polymer Chemistry

1 answer 75 views

How can chemical education be redesigned to increase representation and diversity in the chemistry field, and why is diversity important for the advancement of the field?

asked Feb 4 in Chemical education

1 answer 111 views

Calculate the vibrational frequencies and infrared spectra for a molecule of carbon dioxide (CO2) using quantum chemistry methods.

asked Feb 3 in Quantum Chemistry

1 answer 168 views

Calculate the standard enthalpy change for the vaporization of 25 grams of water at 100 degrees Celsius and 1 atmosphere of pressure, given that the molar enthalpy of vaporization of water is 40.7 kJ/mol.

asked Feb 3 in Chemical thermodynamics

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