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What is the optimal temperature range for the synthesis of polyethylene oxide from ethylene oxide monomer, and how does changing the temperature affect the yield and molecular weight of the product?
asked
Feb 22
in
Chemical synthesis
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votes
1
answer
26
views
What is the most efficient method to prepare 2-chloro-4-nitroaniline from aniline and chlorine gas while ensuring optimal yield and purity of the final product?
asked
Feb 21
in
Chemical synthesis
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votes
1
answer
28
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What is the magnetic moment of FeCl3 in a high-spin state with five unpaired electrons?
asked
Feb 20
in
Inorganic Chemistry
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1
answer
35
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What factors affect the critical temperature and critical magnetic field of a superconducting material, and how can these properties be optimized for real-world applications such as MRI machines and energy-efficient power transmission?
asked
Feb 19
in
Materials Chemistry
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votes
1
answer
36
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What is the role of metal ions in metalloenzymes and metalloproteins? How does the coordination chemistry of these metal ions affect the biological function of these molecules?
asked
Feb 13
in
Coordination Chemistry
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votes
1
answer
36
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How can the pharmacology of natural products be investigated for their potential medicinal use? Specifically, what analytical techniques can be employed to identify the active compounds in natural products, determine their mechanism of action, and evaluate their efficacy and safety?
asked
Feb 10
in
Medicinal Chemistry
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1
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39
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How can the design and composition of polymer-based biomaterials be optimized for promoting tissue regeneration and reducing inflammation in tissue engineering applications?
asked
Feb 6
in
Polymer Chemistry
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1
answer
79
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Consider the following equilibrium reaction at a constant temperature: 2NO(g) + O2(g) ⇌ 2NO2(g)Initially, the reaction mixture contains 0.50 mol NO, 0.40 mol O2, and 0.10 mol NO2 in a 1.0 L container. The system is disturbed by contracting the volume to 0.50 L. Calculate the effect of changing the volume on the equilibrium position and calculate the concentration of each species at equilibrium.
asked
Feb 3
in
Chemical equilibrium
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votes
1
answer
55
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What is the effect of changing the stoichiometric ratio of two reactants on the rate of a chemical reaction?
asked
Feb 3
in
Chemical kinetics
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1
answer
64
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Balance the following chemical equation: Fe2O3 + CO -> Fe + CO2
asked
Jan 22
in
Chemical reactions
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votes
1
answer
66
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Why is early identification of mental illness crucial?
asked
Jan 17
in
Psychology
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1
answer
167
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What is the main focus of existential psychology?
asked
Jan 17
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Psychology
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1
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89
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How does attachment theory explain sexual behaviour?
asked
Jan 17
in
Psychology
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1
answer
96
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What is the difference between a psychological construct and a discursive construct?
asked
Jan 17
in
Psychology
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1
answer
34
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When evaluating cognitive theories, why is it important to consider individual differences?
asked
Jan 16
in
Psychology
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votes
1
answer
55
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When evaluating the theories of conflict resolution, what is the accommodation strategy?
asked
Jan 16
in
Psychology
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votes
1
answer
55
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What is the identity foreclosure?
asked
Jan 15
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Psychology
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votes
1
answer
97
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What is meant by the term 'empathy'?
asked
Jan 14
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Psychology
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votes
1
answer
68
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What is humanistic psychology?
asked
Jan 13
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Psychology
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1
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77
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Where do the steps in the water cycle begin?
asked
Jan 8
in
Science
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