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Recent activity by SNBBernd7967
1
answer
29
views
What is the predicted bond angle for the H2O molecule and what are the factors that affect this angle?
asked
Feb 22
in
Chemical bonding
1
answer
24
views
What is the mechanism of the photochemical reaction that occurs between benzene and chlorine gas to form chlorobenzene in the presence of sunlight?
asked
Feb 22
in
PhotoChemistry
1
answer
24
views
What is the most efficient synthesis method for producing a biodegradable polymer that degrades within a specific timeframe?
answered
Feb 21
in
Polymer Chemistry
1
answer
29
views
What is the effect of surface charge on the electrophoretic mobility of colloidal particles in an aqueous medium?
asked
Feb 20
in
Surface Chemistry
1
answer
29
views
How does the degree of polymerization affect the physical properties of polystyrene, specifically its melting point and glass transition temperature?
answered
Feb 19
in
Physical Chemistry
1
answer
29
views
How does the coordination geometry and ligand arrangement of the metal ion in metalloenzymes and metalloproteins affect their enzymatic activity and substrate specificity?
asked
Feb 19
in
Coordination Chemistry
1
answer
23
views
How does the coordination chemistry of metalloproteins and enzymes affect the function and activity of these molecules in biological systems?
answered
Feb 19
in
Coordination Chemistry
1
answer
35
views
How does the choice of photosensitizer affect the efficiency of photochemical reactions?
asked
Feb 18
in
PhotoChemistry
1
answer
36
views
How does the chemical structure of DNA affect its interaction with specific proteins involved in gene regulation?
asked
Feb 18
in
BioChemistry
1
answer
34
views
What is the balanced chemical equation for the reaction between sulfuric acid (H2SO4) and sodium hydroxide (NaOH) to produce sodium sulfate (Na2SO4) and water (H2O)?
answered
Feb 17
in
Chemical reactions
1
answer
36
views
What are the electronic and magnetic properties of [Fe(H2O)6]2+ complex ion and how do they affect its reactivity towards ligands?
answered
Feb 17
in
Quantum Chemistry
1
answer
38
views
How can we optimize the reaction parameters, such as temperature and catalyst choice, to increase the yield and purity of polypropylene synthesized from propylene monomer?
answered
Feb 14
in
Chemical synthesis
1
answer
36
views
What is the role of metalloenzymes in cellular processes? Provide at least three examples of metalloenzymes and explain their functions in detail.
answered
Feb 13
in
Coordination Chemistry
1
answer
56
views
What are the predominant intermolecular forces present in a sample of water and how do they contribute to its unique properties?
asked
Feb 13
in
Chemical bonding
1
answer
62
views
What is the retrosynthetic analysis of ibuprofen and what are the possible starting materials and reaction steps for its synthesis?
asked
Feb 13
in
Organic Chemistry
1
answer
94
views
How effective are environmental regulations in preventing or reducing pollution of water bodies in the United States?
answered
Feb 13
in
Environmental Chemistry
1
answer
31
views
How can the synthesis of metal nanoparticles be optimized for size and shape in order to improve their catalytic activity and stability?
asked
Feb 11
in
Materials Chemistry
1
answer
69
views
Calculate the standard enthalpy change of the precipitation reaction between 50.0 mL of 0.100 M Pb(NO3)2 and excess 0.100 M NaCl solution at 25°C given that the reaction is Pb(NO3)2 (aq) + 2NaCl (aq) → PbCl2(s) + 2NaNO3 (aq) and the enthalpy of formation of NaNO3 (aq) and NaCl (aq) are -467.7 kJ/mol and -411.2 kJ/mol respectively.
asked
Feb 3
in
Chemical thermodynamics
1
answer
57
views
Calculate the standard enthalpy change for the phase transition reaction of ice to water at a constant pressure of 1 atm, given the following information:- The standard enthalpy of fusion for ice is 6.01 kJ/mol.- The molar heat capacity of ice is 36.8 J/(mol K).- The molar heat capacity of liquid water is 75.3 J/(mol K).- The melting point of ice is 0°C.- The boiling point of water is 100°C.
asked
Feb 3
in
Chemical thermodynamics
1
answer
89
views
Identify the number of resonance structures for the molecule of benzene and draw all of them.
asked
Jan 31
in
Chemical bonding
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