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What are the effects of nanoparticle size and shape on their photochemical properties?
asked
1 day
ago
in
PhotoChemistry
0
votes
1
answer
23
views
What is the relationship between R/S configurations and the direction of rotation of plane-polarized light for a given chiral compound? Provide an example with a clear explanation.
asked
3 days
ago
in
Organic Chemistry
0
votes
1
answer
6
views
What would be the effect on the formation of a complex ion if the pH is changed from 7 to 10? Provide a rationale for your answer based on the principles of chemical equilibrium and the properties of the specific complex ion under consideration.
asked
6 days
ago
in
Chemical equilibrium
0
votes
1
answer
25
views
What is the coordination number of the central metal ion in the complex [Fe(CN)6]3-? Explain the reasoning behind the determination of the coordination number in this complex.
asked
6 days
ago
in
Coordination Chemistry
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votes
1
answer
33
views
Identify the type of inorganic solid that forms from the combination of Mg and Cl atoms.
asked
Feb 18
in
Inorganic Chemistry
0
votes
1
answer
21
views
How does the addition of cholesterol affect the fluidity and stability of a lipid bilayer composed of phospholipids?
asked
Feb 17
in
Computational Chemistry
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votes
1
answer
21
views
How does temperature affect the degradation of polyethylene and polypropylene? What are the mechanisms of degradation and how can they be mitigated to extend the stability of these polymers?
asked
Feb 17
in
Polymer Chemistry
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votes
1
answer
23
views
How does the surface modification of polymers affect their adhesive properties?
asked
Feb 17
in
Surface Chemistry
0
votes
1
answer
8
views
How can we use molecular docking studies to predict the binding affinity of two protein molecules and determine the key amino acid residues involved in the protein-protein interaction?
asked
Feb 13
in
Computational Chemistry
0
votes
1
answer
30
views
What is the effect of increasing the strength of intermolecular forces on the boiling point of a substance?
asked
Feb 13
in
Chemical bonding
0
votes
1
answer
46
views
Given the enthalpy of solution of sodium hydroxide (NaOH) is -44.5 kJ/mol and the enthalpy of solution of hydrochloric acid (HCl) is -74.8 kJ/mol, calculate the enthalpy change for the precipitation reaction between NaOH and HCl, assuming all solutions are at a concentration of 1 M.
asked
Feb 4
in
ThermoChemistry
0
votes
1
answer
101
views
How many moles of copper (Cu) are present in a sample weighing 0.250 g when 10.0 coulombs of electricity is passed through it during the coulometric titration process? The electrode used was a copper electrode, and the atomic weight of copper is 63.55 g/mol.
asked
Jan 30
in
Analytical Chemistry
0
votes
1
answer
59
views
Calculate the equilibrium constant, K, for the electrochemical reaction below, given the standard reduction potentials at 298 K:2 H+ (aq) + 2 e- → H2 (g) E° = 0.00 VFe3+ (aq) + e- → Fe2+ (aq) E° = +0.771 V
asked
Jan 23
in
ElectroChemistry
0
votes
1
answer
56
views
Calculate the enthalpy change for the isomerization of butene-1 to butene-2 given that the standard enthalpy of formation of butene-1 is -25.3 kJ/mol and the standard enthalpy of formation of butene-2 is -23.6 kJ/mol. The reaction is carried out at a constant pressure of 1 atm and a temperature of 298 K.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
32
views
What is Piaget's formal operational stage?
asked
Jan 20
in
Psychology
0
votes
1
answer
33
views
Who proposed the motivation-hygiene theory of job satisfaction?
asked
Jan 16
in
Psychology
0
votes
1
answer
7
views
What is the aim of metapsychology?
asked
Jan 15
in
Psychology
0
votes
1
answer
44
views
What is the main goal of computational modelling?
asked
Jan 15
in
Psychology
0
votes
1
answer
72
views
What is the impact of caffeine on sleep?
asked
Jan 14
in
Psychology
0
votes
1
answer
47
views
What is the main difference between psychoanalysis and humanistic therapy?
asked
Jan 13
in
Psychology
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