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0
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20
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How does the presence of chiral centers in a molecule affect its photochemical properties, and what is the mechanism behind this effect?
answered
3 days
ago
in
PhotoChemistry
0
votes
26
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What is the change in enthalpy for the reaction: 2H2 + O2 → 2H2O, given the following thermochemical equations and their respective enthalpy changes: 2H2 + O2 → 2H2O, ΔH = -484 kJ/mol H2 + ½O2 → H2O, ΔH = -286 kJ/mol
answered
5 days
ago
in
Chemical reactions
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votes
18
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What is the effect of changing the hydrophobic/hydrophilic balance of a surfactant on its foaming capabilities?
answered
5 days
ago
in
Surface Chemistry
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votes
18
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What is the coordination number of the metal ion in the active site of the metalloenzyme carbonic anhydrase? And how does the coordination number affect the catalytic activity of the enzyme?
answered
6 days
ago
in
Coordination Chemistry
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27
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How does the addition of a catalyst affect the energy barrier of a reaction mechanism and ultimately the rate of reaction, as predicted by density functional theory calculations?
answered
Feb 17
in
Computational Chemistry
0
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45
views
What innovative approaches can be taken in developing new treatments for skin diseases using principles of medicinal chemistry?
answered
Feb 13
in
Medicinal Chemistry
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votes
37
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What is the effect of increasing the concentration of reactants on the rate of reaction between potassium iodide and lead nitrate in an aqueous solution?
answered
Feb 13
in
Chemical kinetics
0
votes
59
views
How can the stability of a colloidal suspension be affected by changing the ionic strength of the solution?
answered
Feb 10
in
Physical Chemistry
0
votes
39
views
How can the depletion of ozone in the atmosphere affect the concentration of harmful UV radiation reaching the Earth's surface, and what can be done to prevent further ozone depletion?
answered
Feb 6
in
Environmental Chemistry
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votes
25
views
How can chemistry teachers provide adequate support for students with learning disabilities to ensure they have equal opportunities to succeed in the subject?
answered
Feb 5
in
Chemical education
0
votes
43
views
Determine the molecular geometry and bond angles for the molecule CF4 using the VSEPR theory.
answered
Feb 4
in
Quantum Chemistry
0
votes
89
views
What is the predicted bond angle in a water molecule based on its molecular geometry and electron pair geometry, and how does it differ from the ideal bond angle?
answered
Jan 30
in
Chemical bonding
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71
views
How can chemistry students work with school administrators and local government officials to advocate for increased funding for chemistry education and resources? What specific steps and arguments can be made to demonstrate the importance of chemistry education in preparing students for future careers and contributing to scientific advancement?
answered
Jan 30
in
Chemical education
0
votes
81
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A chemistry student wants to determine the enthalpy change of a chemical reaction. They have 25 g of sodium hydroxide and want to mix it with 50 mL of 1.0 M hydrochloric acid. What is the maximum temperature change they can expect to see, assuming constant pressure and perfect heat transfer, and what is the enthalpy change of the reaction?
answered
Jan 22
in
Physical Chemistry
0
votes
33
views
Why do some researchers suggest that genetic factors may play a role in the development of conduct disorder?
answered
Jan 20
in
Psychology
0
votes
9
views
What are the similarities between instrumental and expressive leadership?
answered
Jan 17
in
Psychology
0
votes
25
views
Who is known for operant conditioning theory?
answered
Jan 17
in
Psychology
0
votes
26
views
According to cognitive psychology, how does the process of attention work?
answered
Jan 16
in
Psychology
0
votes
31
views
Compare the potential therapeutic effects of cannabinoids and opioids.
answered
Jan 16
in
Psychology
0
votes
51
views
Who developed the ABC model in Rational Emotive Behaviour Therapy (REBT)?
answered
Jan 16
in
Psychology
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