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0
votes
1
answer
22
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How does the intensity of light affect the rate of reaction between potassium iodide (KI) and hydrogen peroxide (H2O2)?
asked
6 days
ago
in
Chemical kinetics
0
votes
1
answer
24
views
What is the heat of sublimation of iodine, given that the molar heat of fusion is 15.52 kJ/mol and the molar heat of vaporization is 41.39 kJ/mol?
asked
Feb 20
in
ThermoChemistry
0
votes
1
answer
22
views
How does the coordination environment of the active site metal affect the activity of metalloenzymes and metalloproteins? Provide examples of metalloenzymes and metalloproteins and discuss how their coordination chemistry contributes to their function.
asked
Feb 19
in
Coordination Chemistry
0
votes
1
answer
38
views
How does the concentration of dissolved oxygen in water affect the survival and growth of aquatic organisms in contaminated water bodies?
asked
Feb 18
in
Environmental Chemistry
0
votes
1
answer
28
views
How does the choice of precursor materials affect the size and shape of nanoparticles synthesized using chemical precipitation methods?
asked
Feb 18
in
Materials Chemistry
0
votes
1
answer
34
views
How does the chemical structure of common sunscreen agents affect their ability to absorb UV radiation?
asked
Feb 18
in
PhotoChemistry
0
votes
1
answer
29
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What is the role of metal ions in the catalytic activity of metalloenzymes and metalloproteins? Provide examples and illustrate the metal coordination sphere and coordination geometries involved in the active sites of these biomolecules.
asked
Feb 13
in
Coordination Chemistry
0
votes
1
answer
33
views
How can we design a new drug that effectively targets and treats inflammatory bowel diseases, such as Crohn's disease and ulcerative colitis, while minimizing potential side effects and toxicity?
asked
Feb 12
in
Medicinal Chemistry
0
votes
1
answer
52
views
How does the coordination chemistry of metalloenzymes and metalloproteins impact their catalytic activities? Provide examples of metalloenzymes and metalloproteins and describe their coordination geometries and active sites.
asked
Feb 12
in
Coordination Chemistry
0
votes
1
answer
43
views
How can the process parameters be optimized for the production of polymers with a high molecular weight and narrow size distribution, using the available equipment and raw materials?
asked
Feb 10
in
Chemical engineering
0
votes
1
answer
48
views
Calculate the standard enthalpy change for the reaction between 25 mL of 0.1 M HCl and 25 mL of 0.1 M NaOH, assuming the reaction takes place in aqueous solution and is complete. The temperature of the solutions should be maintained at a constant 25°C during the reaction. (Assume the density of the solutions is 1 g/mL and the specific heat capacity of the solutions is 4.18 J/g°C).
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
73
views
Calculate the heat of formation of methane (CH4) given the enthalpies of formation of H2(g) = 0 kJ/mol and CH3(g) = 120.6 kJ/mol.
asked
Jan 23
in
Chemical bonding
0
votes
1
answer
54
views
A chemistry student needs to determine the effect of adding NaCl to a solution containing AgNO3 at equilibrium. The original solution had concentration [Ag+]=0.01M and [NO3-]=0.01M, and Ksp=1.8x10^-10. How much NaCl (in grams) is needed to be added to the solution in order to decrease the [Ag+] concentration by a factor of 10?
asked
Jan 22
in
Chemical equilibrium
0
votes
1
answer
46
views
Why is the attachment theory important to psychology?
asked
Jan 20
in
Psychology
0
votes
1
answer
50
views
What is the definition of attribution theory?
asked
Jan 15
in
Psychology
0
votes
1
answer
42
views
What is the application of cognitive psychology?
asked
Jan 14
in
Psychology
0
votes
1
answer
35
views
What is the difference between nature and nurture in relation to development?
asked
Jan 14
in
Psychology
0
votes
1
answer
33
views
What causes obsessive-compulsive disorder (OCD)?
asked
Jan 13
in
Psychology
0
votes
1
answer
47
views
What are the advantages of the behavioural theory of anxiety?
asked
Jan 13
in
Psychology
0
votes
1
answer
25
views
What is extinction in behaviourism?
asked
Jan 13
in
Psychology
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