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0
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1
answer
18
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What is the relationship between Zeta potential and the stability of colloidal suspensions? How can Zeta potential be measured and manipulated to control the stability of colloidal suspensions?
asked
1 day
ago
in
Surface Chemistry
0
votes
1
answer
15
views
What is the change in the formation constant of a complex ion when the concentration of the ligand is increased by a factor of 10 and the concentration of the metal ion remains constant?
asked
5 days
ago
in
Chemical equilibrium
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votes
1
answer
22
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What is the effect of different metal ion geometries on the formation and properties of coordination polymers and metal-organic frameworks? Provide specific examples and discuss their potential applications in catalysis or gas storage.
asked
5 days
ago
in
Coordination Chemistry
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votes
1
answer
24
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How does the choice of catalytic material and reaction conditions affect the conversion efficiency and selectivity of a heterogeneous catalyst for a specific chemical reaction?
asked
6 days
ago
in
Surface Chemistry
0
votes
1
answer
25
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What is the balanced chemical equation for the double replacement reaction that occurs between lead(II) nitrate and potassium iodide?
asked
Feb 17
in
Chemical reactions
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votes
1
answer
25
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What are the key molecular targets for developing new treatments for hypertension and what are the different strategies that medicinal chemists can use to design effective drugs that target these molecular targets?
asked
Feb 13
in
Medicinal Chemistry
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votes
1
answer
44
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How can we develop a green synthesis method for producing metal nanoparticles that avoids the use of toxic chemicals and maintains the properties of the nanoparticles for diverse applications in materials chemistry?
asked
Feb 12
in
Materials Chemistry
0
votes
1
answer
43
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How can the adsorption of proteins on solid surfaces be controlled and optimized for maximum efficiency in applications such as drug delivery and biomaterials?
asked
Feb 6
in
Surface Chemistry
0
votes
1
answer
109
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How does the pH of acid mine drainage impact the solubility of toxic metals into surface water and what methods can be used to neutralize the acidity and prevent contamination of surrounding water sources?
asked
Jan 30
in
Environmental Chemistry
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votes
1
answer
46
views
Calculate the Gibbs free energy change (ΔG) for the following chemical reaction at 25°C and constant pressure of 1 atm:2H2(g) + O2(g) → 2H2O(l)Given the following standard Gibbs free energy of formation values (ΔfG°) at 25°C:H2(g) = 0 kJ/molO2(g) = 0 kJ/molH2O(l) = -237 kJ/mol
asked
Jan 23
in
Chemical thermodynamics
0
votes
1
answer
72
views
Calculate the enthalpy of polymerization for the reaction of ethylene (C2H4) to polyethylene (C2H4)n, given that the enthalpy of combustion for ethylene is -1411 kJ/mol and the number of moles of ethylene used in the reaction is 4.5 mol. Assume that the reaction is exothermic and that the enthalpy change is constant over the extent of the reaction.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
44
views
According to Eysenck's trait theory, what are the three major dimensions of personality?
asked
Jan 20
in
Psychology
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votes
1
answer
10
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When was the concept of the placebo first introduced in medical research?
asked
Jan 20
in
Psychology
0
votes
1
answer
6
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Why is the case of Phineas Gage significant?
asked
Jan 20
in
Psychology
0
votes
1
answer
42
views
According to the cognitive-behavioral theory, why do individuals develop depression?
asked
Jan 17
in
Psychology
0
votes
1
answer
14
views
What is the term used to describe the gender bias that arises from the use of male subjects in research?
asked
Jan 17
in
Psychology
0
votes
1
answer
36
views
What is the role of health locus of control in the health belief model?
asked
Jan 16
in
Psychology
0
votes
1
answer
30
views
When evaluating the theories of aggression, what is the social learning theory?
asked
Jan 16
in
Psychology
0
votes
1
answer
53
views
What is the benefit of the sociocultural approach?
asked
Jan 15
in
Psychology
0
votes
1
answer
56
views
What is the difference between parallel and serial processing?
asked
Jan 14
in
Psychology
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