Recent activity by OlgaMoonligh

1 answer 23 views

What is the effect of a 10°C increase in temperature on the reaction rate of the chemical reaction between magnesium and hydrochloric acid, as measured by the volume of gas produced in 5 minutes?

answered 3 days ago in Chemical kinetics

1 answer 15 views

What is the predicted molecular geometry of a molecule with a central atom that is surrounded by two bonding pairs and two lone pairs of electrons?

asked 3 days ago in Chemical bonding

1 answer 22 views

What is the effect of pH on the zeta potential of colloidal particles, and how can this be measured using electrophoretic light scattering (ELS)?

asked 3 days ago in Surface Chemistry

1 answer 23 views

What is the effect of temperature on the equilibrium constant of a reaction between hydrogen gas and iodine gas to produce hydrogen iodide gas following the equation: H2(g) + I2(g) ⇌ 2HI(g)?

asked 5 days ago in Chemical kinetics

1 answer 21 views

How does the critical temperature of a superconducting material change with varying doping concentrations of a particular element?

answered 6 days ago in Materials Chemistry

1 answer 29 views

What is the coordination geometry of [Fe(H2O)6]2+ in aqueous solution, as determined by UV-Vis spectroscopy?

asked 6 days ago in Coordination Chemistry

1 answer 7 views

How does the chemical structure of existing drugs affect their toxicity levels in the human body, and how can this information be used to design safer and more effective drugs for clinical use?

answered Feb 18 in Medicinal Chemistry

1 answer 7 views

How does the binding affinity between a protein and a ligand change when specific amino acid residues in the protein are mutated, and how can molecular dynamics simulations be used to predict and analyze these changes?

asked Feb 17 in Computational Chemistry

1 answer 34 views

What are the most common mistakes students make when trying to understand the organization of the periodic table? How can these mistakes be avoided to better understand the chemical elements and their properties?

asked Feb 14 in Chemical education

1 answer 34 views

What is the crystal structure of NaCl (Sodium chloride) and what are the factors that determine its crystal structure?

asked Feb 14 in Inorganic Chemistry

1 answer 30 views

What is the role of nitrogen oxides in the formation of smog and how does smog impact human respiratory health?

answered Feb 14 in Environmental Chemistry

1 answer 40 views

What is the role of metal ions in catalysis of metalloenzymes? Provide an example of a metalloenzyme and explain its mechanism of action based on its coordination chemistry.

asked Feb 13 in Coordination Chemistry

1 answer 35 views

What is the isomerism of a molecule and how can you determine it in organic chemistry? Provide an example of two isomers and explain the key differences between them.

asked Feb 13 in Chemical bonding

1 answer 38 views

What is the number of electrons transferred in the following electrochemical reaction: Cu(s) + 2Ag+(aq) -> Cu2+(aq) + 2Ag(s) (Note: the standard reduction potentials of Cu2+(aq)/Cu(s) and Ag+(aq)/Ag(s) are 0.34V and 0.80V, respectively)

asked Feb 13 in ElectroChemistry

1 answer 33 views

What is the role of excited state intermediates in the mechanism of photochemical reactions in organic compounds, and how do they affect the selectivity and efficiency of the reaction?

asked Feb 13 in PhotoChemistry

1 answer 36 views

How does the photochemical behavior of enantiomers differ and how can this difference be utilized in various practical applications?

answered Feb 13 in PhotoChemistry

1 answer 29 views

What is the electronic structure and bonding in Dy3N@C80 and Dy2ScN@C80 metallofullerenes? How does the number and location of metal atoms within the fullerene cage affect the electronic properties of the complex?

answered Feb 13 in Coordination Chemistry

1 answer 10 views

How can we design a polymer-based smart material that can change its shape in response to a specific stimulus, such as temperature or pH?

asked Feb 12 in Polymer Chemistry

1 answer 52 views

What is the molecular structure and properties of collagen, the most abundant protein in the human body? How does its structure relate to its function in providing support and flexibility to tissues such as skin, bones, and tendons?

answered Feb 12 in Organic Chemistry

1 answer 53 views

How can the principles of quantum mechanics be applied to develop more efficient algorithms for quantum computing, and how can these algorithms be used to solve problems in chemistry such as the prediction of molecular properties and behavior?

asked Feb 10 in Quantum Chemistry

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