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0
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31
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What is the molecular geometry of sulfur dioxide (SO2) and what is the bond angle between the sulfur and oxygen atoms?
answered
Feb 21
in
Chemical bonding
0
votes
31
views
How does the coordination chemistry of metalloenzymes and metalloproteins affect their catalytic activity and specificity?
answered
Feb 19
in
Coordination Chemistry
0
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36
views
How does the activation energy affect the rate of a chemical reaction, and can quantum chemistry be used to accurately predict the reaction mechanism and rate constant of a given reaction?
answered
Feb 17
in
Quantum Chemistry
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votes
107
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How can the synthesis of polyethylene terephthalate from terephthalic acid and ethylene glycol be optimized for maximum yield and purity?
answered
Feb 11
in
Chemical synthesis
0
votes
27
views
How can the Haber process be optimized to produce the maximum yield of ammonia gas, considering the factors of pressure, temperature, and reactant concentration?
answered
Feb 7
in
Chemical engineering
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votes
48
views
How can the durability and scratch resistance of polymer-based coatings and paints be improved?
answered
Feb 7
in
Polymer Chemistry
0
votes
63
views
Calculate the pH of a buffer solution that contains 0.2 moles of acetic acid (CH3COOH) and 0.1 moles of sodium acetate (NaCH3COO) dissolved in one liter of solution. The dissociation constant of acetic acid is 1.8 x 10^-5.
answered
Feb 3
in
Chemical reactions
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votes
145
views
What happens to the rate of a photochemical reaction as the intensity of light increases? Provide examples of photochemical reactions and their corresponding rates at different light intensities. How can this information be applied in the development of photovoltaic cells?
answered
Jan 31
in
Physical Chemistry
0
votes
112
views
What is the concentration of Fe2+ ions in a water sample that has been treated with an iron-reducing bacteria? Use potentiometry to quantify the amount of Fe2+ ions present in the sample.
answered
Jan 30
in
Analytical Chemistry
0
votes
75
views
How can we identify the presence of carbonyl groups in a given compound using UV-Vis spectroscopy and which literature values can we compare our results to for verification?
answered
Jan 29
in
Analytical Chemistry
0
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62
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Calculate the equilibrium constant for a reaction involving a weak oxidizing agent where the concentration of the oxidizing agent is 0.1 M and the concentration of the reduced species is 0.05 M at equilibrium. The balanced chemical equation of the reaction is given as follows:OX + 2 e- ⇌ REDwhere OX is the weak oxidizing agent and RED is the reduced species.
answered
Jan 23
in
Chemical equilibrium
0
votes
63
views
Calculate the bond dissociation energy of the nitrogen-nitrogen (N-N) bond in N2O4 given that the enthalpy change for the reaction 2N2O4(g) --> 4NO2(g) is -109.7 kJ/mol.
answered
Jan 23
in
ThermoChemistry
0
votes
115
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A compound contains 29.5% sodium, 41.1% sulfur, and 29.4% oxygen by mass. Determine the empirical formula of the compound.
answered
Jan 22
in
Inorganic Chemistry
0
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73
views
When evaluating a theory, what is the criterion for precision?
answered
Jan 20
in
Psychology
0
votes
43
views
What is the role of the basal ganglia in motor control?
answered
Jan 20
in
Psychology
0
votes
62
views
According to Leader-Member Exchange Theory, how do leaders communicate with their followers?
answered
Jan 20
in
Psychology
0
votes
52
views
What is a pseudoscience, and how does it differ from psychological science?
answered
Jan 16
in
Psychology
0
votes
103
views
Why is Erikson's psychosocial development theory important?
answered
Jan 15
in
Psychology
0
votes
17
views
What is random assignment?
answered
Jan 14
in
Psychology
0
votes
74
views
What is the scaffolding theory of aging and cognition?
answered
Jan 14
in
Psychology
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