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How does the concentration of reactants affect the reaction rate and consequently, the reaction yield in the reaction between hydrochloric acid and calcium carbonate?
asked
Feb 22
in
Chemical kinetics
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votes
1
answer
25
views
What is the effect of the length of a conjugated polymer chain on its electronic and optical properties?
asked
Feb 20
in
Quantum Chemistry
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1
answer
28
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What is the coordination geometry of the iron (III) ion in iron (III) tetraphenylporphyrin complex, and what factors affect its coordination geometry?
asked
Feb 19
in
Coordination Chemistry
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1
answer
32
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What is the color of the transition metal complex [Fe(H2O)6]Cl3, and how does this color change when it is heated or when a ligand is replaced? Provide a detailed explanation using the concept of electronic transitions and crystal field splitting.
asked
Feb 18
in
Inorganic Chemistry
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1
answer
35
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What is the balanced chemical equation for the preparation of 2,4-dinitrophenol from phenol and nitric acid, and what are the reaction conditions required for the synthesis process to occur efficiently?
asked
Feb 17
in
Chemical synthesis
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votes
1
answer
40
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How do microorganisms assimilate di-nitrogen gas (N2) into an accessible form for living beings, and what biochemical pathways are involved in nitrogen metabolism to sustain the nitrogen balance in ecosystems?
asked
Feb 13
in
BioChemistry
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1
answer
34
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How can the conductivity of polymer electrolytes be improved for better battery performance?
asked
Feb 6
in
Polymer Chemistry
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1
answer
103
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What chemical processes contribute to the formation of acid mine drainage and how can these processes be mitigated to improve water quality in affected areas?
asked
Jan 30
in
Environmental Chemistry
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1
answer
133
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A student received a sample of an unknown substance weighing 5 grams. After performing a series of measurements, they found that the sample contained 2.5 grams of pure calcium carbonate and an unknown amount of impurities. Using mass balance calculations, determine the weight and composition of the impurities in the sample.
asked
Jan 22
in
Analytical Chemistry
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1
answer
80
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What is the pH of a 0.1 M solution of hydrochloric acid, assuming that the acid completely ionizes in water?
asked
Jan 21
in
Inorganic Chemistry
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1
answer
49
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What are the benefits of using evidence-based practice?
asked
Jan 16
in
Psychology
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votes
1
answer
39
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What is gender socialisation?
asked
Jan 16
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Psychology
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votes
1
answer
81
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Why is the androgen insensitivity syndrome relevant in gender studies?
asked
Jan 16
in
Psychology
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votes
1
answer
52
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What is the double-blind technique?
asked
Jan 16
in
Psychology
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votes
1
answer
82
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According to Behaviourism, what is learning?
asked
Jan 15
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Psychology
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votes
1
answer
103
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Why is simplicity important in theory evaluation?
asked
Jan 15
in
Psychology
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votes
1
answer
46
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What is the evolutionary approach?
asked
Jan 15
in
Psychology
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votes
1
answer
61
views
How do existential psychologists view optimism and pessimism?
asked
Jan 15
in
Psychology
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votes
1
answer
109
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What is the difference between borderline personality disorder and bipolar disorder?
asked
Jan 14
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Psychology
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votes
1
answer
45
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What is the difference between a therapist and a counselor?
asked
Jan 14
in
Psychology
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