Recent activity by PartheniaBar

1 answer 23 views

What is the effect of adding more ammonia gas to an equilibrium mixture of nitrogen gas and hydrogen gas at a certain temperature and pressure? How will this affect the equilibrium position and the concentrations of all the gases present in the mixture?

answered 3 days ago in Chemical equilibrium

1 answer 13 views

How does the pH level affect the rate of the photochemical reaction between a photosensitizer and a substrate?

asked 3 days ago in PhotoChemistry

1 answer 18 views

What is the most stable geometric configuration for a [Fe(CN)6]^-4 ion using ab initio calculations, and how does the presence of a co-ligand, such as H2O or NH3, affect the stability and reactivity of the complex?

asked 3 days ago in Computational Chemistry

1 answer 33 views

How does the chemical structure of photochromic materials affect their photochemical properties, and what are the different mechanisms involved in their photochromism?

asked Feb 18 in PhotoChemistry

1 answer 37 views

What are the resonance structures of the carbonate ion (CO3²-)?

asked Feb 18 in Chemical bonding

1 answer 20 views

How does the addition of different dopants affect the electronic and optical properties of perovskite materials, specifically in terms of band gap and absorption spectra?

answered Feb 17 in Quantum Chemistry

1 answer 31 views

How can we optimize the composition of a paint formulation to achieve the desired color, durability, and viscosity, while minimizing the use of toxic or harmful chemicals?

asked Feb 14 in Chemical engineering

1 answer 40 views

How do the properties of liquid crystals change with temperature and external electric fields?

answered Feb 13 in Physical Chemistry

1 answer 29 views

What is the role of hydrogen bonds in maintaining the double helix structure of DNA? How many hydrogen bonds are formed between adenine and thymine base pairs compared to guanine and cytosine base pairs?

asked Feb 13 in BioChemistry

1 answer 9 views

How can we design drugs to effectively target and treat gram-negative bacteria, such as E. coli, while minimizing harm to human cells?

answered Feb 12 in Medicinal Chemistry

1 answer 34 views

What is the crystal field splitting energy of octahedral complexes of Co(II) and Ni(II) with strong field ligands? How does this splitting energy affect the color of these complexes? Provide experimental evidence to support your answer.

asked Feb 12 in Coordination Chemistry

1 answer 29 views

How can molecular docking studies aid in developing new drugs to target COVID-19 protease enzyme?

asked Feb 6 in Computational Chemistry

1 answer 27 views

How can computational techniques such as molecular docking be used to identify potential inhibitors of a specific protein-protein interaction involved in a disease process?

asked Feb 5 in Computational Chemistry

1 answer 9 views

How can small molecules be designed and modified to target specific metabolic pathways in the treatment of metabolic disorders such as diabetes or obesity?

asked Feb 5 in Medicinal Chemistry

1 answer 45 views

Calculate the standard enthalpy change of the formation of water (H2O) given the following data:- Standard enthalpy of formation of hydrogen gas (H2) = 0 kJ/mol- Standard enthalpy of formation of oxygen gas (O2) = 0 kJ/mol- Standard enthalpy of formation of water vapor (H2O(g)) = -241.8 kJ/mol

answered Feb 3 in Chemical thermodynamics

1 answer 65 views

What is the impact of changes in pH on the structure and function of proteins? Provide an example of a specific protein and explain the changes that occur under acidic or basic conditions.

answered Jan 31 in BioChemistry

1 answer 61 views

What is the percentage composition of proteins in a sample of blood serum using electrophoresis?

asked Jan 31 in Analytical Chemistry

1 answer 68 views

How does altering the chemical structure of a small molecule affect its binding affinity to a specific protein involved in a protein-protein interaction, as predicted by molecular docking studies?

asked Jan 31 in Computational Chemistry

1 answer 48 views

How can Raman spectroscopy be used to identify the presence of specific compounds, such as organic molecules, in a contaminated soil sample?

asked Jan 29 in Analytical Chemistry

1 answer 73 views

How can electrophoresis be used to determine the composition of amino acids in a protein sample?

asked Jan 29 in Analytical Chemistry

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