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1
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33
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What is the polarity of the carbon-hydrogen bond in methane? Provide a detailed explanation and justification for your answer.
asked
Feb 22
in
Chemical bonding
0
votes
1
answer
29
views
How does the photochemical activity of silver nanoparticles with different sizes vary, and how does this affect their potential application in photocatalysis?
asked
Feb 22
in
PhotoChemistry
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1
answer
31
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How does pH affect the zeta potential in a colloidal system?
asked
Feb 22
in
Surface Chemistry
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votes
1
answer
22
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What is the impact of varying light intensities on the rate of a specific photochemical reaction (e.g. the reaction between hydrogen and chlorine gas to form hydrogen chloride)?
asked
Feb 20
in
PhotoChemistry
0
votes
1
answer
30
views
What is the formal charge of the nitrogen atom in the molecule NH3?
asked
Feb 20
in
Chemical bonding
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1
answer
30
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What is the effect of varying pH levels (acidic, neutral, basic) on the rate of photochemical reactions of organic compounds? Specifically, how does pH impact the rate of a photochemical reaction between an aromatic compound and a halogen molecule?
asked
Feb 20
in
PhotoChemistry
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votes
1
answer
28
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How does the addition of a reaction intermediate to a chemical reaction affect the rate of the reaction and what is the mechanism behind it?
asked
Feb 17
in
Chemical kinetics
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votes
1
answer
72
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What is the effect of increasing the concentration of reactants on the reaction rate of the reaction between hydrochloric acid and magnesium?
asked
Feb 13
in
Chemical kinetics
0
votes
1
answer
42
views
How can we design drugs that specifically target and kill cancer cells while leaving healthy cells intact?
asked
Feb 12
in
Medicinal Chemistry
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votes
1
answer
69
views
How can the synthesis and characterization of new cathode materials improve the performance and durability of fuel cells? What specific properties should be optimized in order to achieve better fuel cell performance and durability?
asked
Feb 11
in
Materials Chemistry
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votes
1
answer
48
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How can knowledge of a patient's genetic makeup assist in determining the personalized dose and response to a specific drug in the treatment of cancer?
asked
Feb 5
in
Medicinal Chemistry
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votes
1
answer
36
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How can capillary electrophoresis be used to determine the composition of a sample containing multiple ions and molecules? What are the factors that need to be considered while selecting the running buffer and other parameters for the analysis? How does the choice of detector affect the accuracy and sensitivity of the analysis? Moreover, how can the obtained information be used to identify and quantify the various species present in the sample?
asked
Jan 29
in
Analytical Chemistry
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1
answer
74
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A chemistry student wants to determine the effect of temperature on the ionization constant (Ka) of a weak acid. The initial Ka of the acid is 1.32 × 10^-6 at 25°C. If the temperature is increased to 35°C, calculate the new value of Ka for the weak acid.
asked
Jan 22
in
Chemical equilibrium
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votes
1
answer
50
views
When might community psychology initiatives face resistance?
asked
Jan 20
in
Psychology
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votes
1
answer
50
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When is the peak sensitivity of the human eye to green light?
asked
Jan 20
in
Psychology
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votes
1
answer
71
views
What is publication bias?
asked
Jan 20
in
Psychology
0
votes
1
answer
49
views
What is exposure therapy for anxiety?
asked
Jan 17
in
Psychology
0
votes
1
answer
83
views
What is social action theory?
asked
Jan 15
in
Psychology
0
votes
1
answer
59
views
What is social proof?
asked
Jan 14
in
Psychology
0
votes
1
answer
92
views
When the number of electrons and the number of protons are equal, the object is what?
asked
Jan 8
in
Science
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