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How do the photochemical properties of R- and S-enantiomers differ from each other and how can these differences be utilized in photodriven processes such as chiral synthesis or resolution?
asked
3 days
ago
in
PhotoChemistry
0
votes
1
answer
6
views
How does the insulin signaling pathway regulate carbohydrate metabolism in liver cells, and what role do enzymes such as hexokinase and glycogen synthase play in this process?
asked
5 days
ago
in
BioChemistry
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votes
1
answer
20
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What is the coordination number of the complex formed between Ni2+ and ethylenediamine (en)? What is the structure of the complex and is it likely to be tetrahedral or octahedral?
asked
6 days
ago
in
Coordination Chemistry
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votes
1
answer
21
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How does the band gap of a semiconductor material change when doping with impurities such as boron or phosphorus, as predicted by density functional theory calculations?
asked
Feb 17
in
Computational Chemistry
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votes
1
answer
16
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How does the addition of a catalyst affect the reaction rate of the decomposition of hydrogen peroxide?
asked
Feb 17
in
Chemical kinetics
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votes
1
answer
31
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What factors affect the rate of a catalytic reaction and how do they impact the performance of the catalyst? Provide examples of different catalytic reactions and explain how the factors at play in each reaction affect the rate of the reaction.
asked
Feb 14
in
Physical Chemistry
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votes
1
answer
48
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How does the coordination chemistry of copper ions in cytochrome c oxidase facilitate the transfer of electrons during the process of aerobic respiration?
asked
Feb 12
in
Coordination Chemistry
0
votes
1
answer
32
views
How can the principles of chemical engineering be applied to design a cost-effective and efficient system for treating heavy metal-contaminated wastewater from the electroplating industry? What strategies can be employed to ensure maximum removal of metals such as chromium, cadmium, and lead from the wastewater before it is discharged into the environment?
asked
Feb 10
in
Chemical engineering
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votes
1
answer
29
views
How can the formulation of drug delivery systems be optimized to improve the targeted delivery of therapeutics to specific tissues or organs, while reducing potential adverse effects on non-targeted tissues?
asked
Feb 7
in
Medicinal Chemistry
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votes
1
answer
35
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How can gel permeation chromatography (GPC) be used to determine the molecular weight distribution of a polymer sample? What are the advantages and limitations of using GPC compared to other polymer characterization techniques?
asked
Feb 6
in
Polymer Chemistry
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votes
1
answer
37
views
How can gel permeation chromatography (GPC) be used to determine the molecular weight distribution of a polymer sample? What are the advantages and limitations of using GPC compared to other polymer characterization techniques?
asked
Feb 5
in
Polymer Chemistry
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votes
1
answer
40
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Develop a polymer-based composite that can withstand extreme heat and high stress conditions, making it suitable for use in turbine engine components in aerospace applications.
asked
Feb 4
in
Polymer Chemistry
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votes
1
answer
60
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Calculate the enthalpy of adsorption when 2.5 grams of hydrogen gas is adsorbed onto a surface at a temperature of 298 K. The equilibrium pressure of hydrogen gas at this temperature is 1.5 atm and the surface area of the adsorbent is 50 cm². (Assume ideal gas behavior and that the adsorption occurs under standard conditions.)
asked
Jan 23
in
ThermoChemistry
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votes
1
answer
80
views
A chemistry student needs to find the percent composition of a compound with the empirical formula CCl. The compound has a molar mass of 98.96 g/mol. What is the percent composition of this compound?
asked
Jan 22
in
Inorganic Chemistry
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votes
1
answer
29
views
What is elaborative rehearsal?
asked
Jan 20
in
Psychology
0
votes
1
answer
57
views
According to the information processing model of memory, what are the different components of memory?
asked
Jan 20
in
Psychology
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1
answer
66
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When might medications be used to treat PTSD?
asked
Jan 20
in
Psychology
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votes
1
answer
48
views
Where can one see object permanence in children?
asked
Jan 20
in
Psychology
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votes
1
answer
55
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Who developed the social identity theory?
asked
Jan 17
in
Psychology
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votes
1
answer
75
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How did Daniel Dennett's theory of multiple drafts challenge traditional views of consciousness?
asked
Jan 17
in
Psychology
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