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1
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15
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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
0
votes
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
0
votes
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
0
votes
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
0
votes
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
0
votes
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
0
votes
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
0
votes
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
0
votes
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
0
votes
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
0
votes
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
0
votes
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
0
votes
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
0
votes
1
answer
25
views
How can the efficiency of the system for the production of paints and coatings be increased while minimizing the impact on the environment?
asked
Feb 7
in
Chemical engineering
0
votes
1
answer
58
views
Calculate the standard electrode potential for the following redox reaction at 298 K: Fe3+(aq) + e- → Fe2+(aq) Given that the standard electrode potential for the half-reaction Fe3+(aq) + e- → Fe2+(aq) is +0.77 V.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
77
views
How can a chemistry student improve their understanding of complex chemical concepts?
asked
Jan 30
in
Chemical education
0
votes
1
answer
90
views
How can we determine the concentration of chloride ions in a given solution using a chloride ion selective electrode?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
37
views
How can the percentage of sulfate (SO4) in a sample of unknown sulfate compound be determined using gravimetric analysis?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
33
views
When evaluating a theory, what is the criterion for objectivity?
asked
Jan 20
in
Psychology
0
votes
1
answer
37
views
According to the social comparison theory, why do people compare themselves to others?
asked
Jan 20
in
Psychology
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