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What is the most efficient method to prepare a high yield of acetylsalicylic acid from a given amount of salicylic acid and acetic anhydride with minimal impurities?
asked
Feb 21
in
Chemical synthesis
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votes
1
answer
41
views
How does the concentration and temperature of reactants affect the rate of a chemical reaction? Can you investigate the relationship between the reaction rate of a substance, its concentration, and the equilibrium constant value?
asked
Feb 18
in
Chemical kinetics
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votes
1
answer
29
views
How does the addition of a strong acid or a strong base affect the ionization of a weak acid? Provide an explanation with relevant chemical equations and an example.
asked
Feb 17
in
Chemical equilibrium
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votes
1
answer
32
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How does quantum coherence and entanglement affect the electronic and magnetic properties of a specific molecular or nanoscale system, and what experimental techniques can be used to measure these properties?
asked
Feb 14
in
Quantum Chemistry
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votes
1
answer
67
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What is the effect of changing the size and charge of the incoming ligand on the rate of ligand substitution reactions in coordination chemistry?
asked
Feb 13
in
Coordination Chemistry
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votes
1
answer
63
views
What is the role of the enzyme DNA polymerase III in DNA replication and how does it ensure fidelity during the process?
asked
Feb 12
in
BioChemistry
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votes
1
answer
103
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How can the size, shape and composition of quantum dots be precisely controlled using innovative synthetic methods, and how does this affect their optoelectronic properties and potential applications in technologies such as light-emitting diodes, solar cells and bioimaging?
asked
Feb 10
in
Materials Chemistry
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votes
1
answer
61
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Calculate the lattice energy of MgO (magnesium oxide) given that the ionic charges of Mg and O are +2 and -2, respectively, and the distance between the ions is 2.1 Å.
asked
Jan 23
in
Inorganic Chemistry
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votes
1
answer
43
views
When was the Ultimatum Game experiment conducted?
asked
Jan 20
in
Psychology
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votes
1
answer
64
views
According to the visual cliff study, how do infants perceive depth?
asked
Jan 17
in
Psychology
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0
answers
88
views
Who proposed the notion of resilience?
asked
Jan 17
in
Psychology
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votes
1
answer
58
views
How does the ethological approach evaluate animal behaviour?
asked
Jan 16
in
Psychology
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votes
1
answer
65
views
Please list some strengths of neuroimaging studies.
asked
Jan 15
in
Psychology
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votes
1
answer
46
views
What is the main concept of the trait approach to personality?
asked
Jan 10
in
Psychology
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votes
1
answer
55
views
Which asexual reproduction method do starfish use to reproduce?
asked
Jan 8
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Science
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votes
1
answer
100
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What term describes the energy of an object that is moving or has the potential to move?
asked
Jan 7
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Science
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votes
1
answer
82
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What is the act of noting or detecting phenomenon through the senses
asked
Jan 6
in
Science
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votes
1
answer
83
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What is corrosive mixture is formulated by the combination of water, air and sulfur?
asked
Jan 6
in
Science
0
votes
1
answer
54
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On the ventral side of the embryonic disc, opposite the amnion, cells in the lower layer of the embryonic disk (the hypoblast) extend into the blastocyst cavity and form this?
asked
Dec 31, 2024
in
Science
0
votes
1
answer
50
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Eventually the parent cell will pinch apart to form two identical types of what cells?
asked
Dec 30, 2024
in
Science
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