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0
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1
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What is the reaction quotient (Qc) of the chemical reaction 2H2 + O2 → 2H2O at a temperature of 25°C given that the initial concentration of H2 is 0.5M, initial concentration of O2 is 0.2M, and initial concentration of H2O is 0M?
asked
3 days
ago
in
Chemical thermodynamics
0
votes
1
answer
32
views
What are the physical properties of polymers and how do they affect the performance of the material?
asked
Feb 14
in
Physical Chemistry
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votes
1
answer
33
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What are the mechanical properties of hydrogels used in tissue engineering and how can they be optimized to improve their biocompatibility and promote cell growth and differentiation?
asked
Feb 13
in
Materials Chemistry
0
votes
1
answer
37
views
What are the chemical mechanisms behind the process of eutrophication and how do they lead to harmful algal blooms and oxygen depletion in aquatic ecosystems?
asked
Feb 13
in
Environmental Chemistry
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votes
1
answer
35
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What specific photochemical properties of dyes and pigments make them suitable for use in solar cells and how can these properties be optimized to increase the efficiency of the solar cell?
asked
Feb 13
in
PhotoChemistry
0
votes
1
answer
37
views
How does the coordination chemistry of metalloproteins play a crucial role in determining their biological activity? Provide specific examples of metalloproteins and their coordination environments to support your answer.
asked
Feb 12
in
Coordination Chemistry
0
votes
1
answer
36
views
How can the compatibility of polymer blends be improved to enhance their properties and make them more efficient in various applications?
asked
Feb 6
in
Polymer Chemistry
0
votes
1
answer
38
views
How does changing the reactant orientation in a chemical reaction affect the reaction rate? Provide specific examples and experimental data to support your answer.
asked
Feb 3
in
Chemical kinetics
0
votes
1
answer
51
views
How does changing the concentration of reactants affect the reaction rate and ultimately the reaction yield in a chemical reaction?
asked
Feb 3
in
Chemical kinetics
0
votes
1
answer
59
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How can capillary electrophoresis be used to analyze the composition of a mixture containing multiple components in a sample? What conditions should be optimized for the separation of components, and how can the data be analyzed and interpreted to determine the identity and concentration of each component in the mixture?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
69
views
A chemistry student needs to prepare a buffer solution with a pH of 5.2 using acetic acid (CH3COOH) and sodium acetate (NaC2H3O2). The student has 10 mL of 0.15 M acetic acid and 15 mL of 0.20 M sodium acetate. What volume of water should the student add to make the desired buffer solution?
asked
Jan 22
in
Chemical reactions
0
votes
1
answer
47
views
According to the feature integration theory, how does visual attention operate?
asked
Jan 20
in
Psychology
0
votes
1
answer
21
views
What is the Door-In-The-Face Technique?
asked
Jan 20
in
Psychology
0
votes
1
answer
28
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Where does the concept of 'existential freedom' come from?
asked
Jan 20
in
Psychology
0
votes
1
answer
32
views
Why do some researchers suggest that restorative justice may be a more effective approach to reducing violent behaviour compared to traditional punitive measures?
asked
Jan 20
in
Psychology
0
votes
1
answer
43
views
Where does Gestalt therapy originate?
asked
Jan 17
in
Psychology
0
votes
0
answers
38
views
When did the Australian government launch the Fly-In Fly-Out Mental Health Support Scheme?
asked
Jan 17
in
Psychology
0
votes
1
answer
40
views
What is the difference between supervised and unsupervised learning?
asked
Jan 15
in
Psychology
0
votes
1
answer
25
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What are the different types of forgetting?
asked
Jan 15
in
Psychology
0
votes
1
answer
30
views
Which bones are the large, curved bones that form the lateral and anterior aspects of the pelvis?
asked
Jan 8
in
Science
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