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What is the difference between an aldehyde and a ketone based on their structures and physical properties? Provide two examples of each and explain how their properties differ from each other.
asked
Feb 22
in
Organic Chemistry
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votes
1
answer
32
views
What is the optimal ratio of terephthalic acid to ethylene glycol, and the best reaction conditions necessary, to obtain the highest yield of polyethylene terephthalate in the synthesis process?
asked
Feb 21
in
Chemical synthesis
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1
answer
38
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How does the cost-effectiveness of a chemical reaction change with varying reaction rates?
asked
Feb 19
in
Chemical kinetics
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1
answer
39
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How does the absorption and emission of light affect the behavior and properties of different molecules and materials, and how can this knowledge be applied to develop more efficient photovoltaic cells?
asked
Feb 17
in
Quantum Chemistry
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votes
1
answer
68
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What is the effect of insulin on the regulation of glucose levels in the body during a fasting state?
asked
Feb 13
in
BioChemistry
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votes
1
answer
35
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How can polymer-based sensors and actuators be used to detect and respond to changes in temperature?
asked
Feb 5
in
Polymer Chemistry
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votes
1
answer
84
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What are some effective ways that chemistry educators can promote exposure to chemistry in everyday life among students who have limited knowledge or interest in the subject?
asked
Jan 30
in
Chemical education
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1
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71
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Question: A student wants to quantify the amount of iron (Fe) in a water sample using coulometry. The sample has a mass of 50.0 g and contains iron in the form of Fe(II) ions. The student sets up the electrochemical cell and begins the oxidation reaction, which requires a current of 16.0 A for 1200 s. What is the concentration of Fe(II) ions in the water sample in mol/L?
asked
Jan 30
in
Analytical Chemistry
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votes
1
answer
123
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What is the pKa of the primary amine ethylamime if its pH in solution is 9.0?
asked
Jan 21
in
Organic Chemistry
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1
answer
42
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What is visual capture?
asked
Jan 20
in
Psychology
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votes
1
answer
61
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Please evaluate the mere exposure effect.
asked
Jan 20
in
Psychology
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votes
1
answer
30
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When is motivation important?
asked
Jan 20
in
Psychology
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votes
1
answer
44
views
Where is the prefrontal cortex located?
asked
Jan 20
in
Psychology
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votes
1
answer
69
views
What is the relationship between addiction and mental health?
asked
Jan 17
in
Psychology
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votes
1
answer
57
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According to the emotion regulation theory, what is the relationship between emotional regulation and anxiety?
asked
Jan 17
in
Psychology
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votes
1
answer
87
views
What is the difference between a one-tailed hypothesis and a two-tailed hypothesis?
asked
Jan 17
in
Psychology
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votes
1
answer
47
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What is the difference between the Beck and Ellis models of CBT?
asked
Jan 16
in
Psychology
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votes
1
answer
53
views
What is the difference between metapsychology and philosophy of mind?
asked
Jan 16
in
Psychology
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votes
1
answer
106
views
According to the Cognitive Load Theory, what is cognitive load?
asked
Jan 15
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Psychology
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votes
1
answer
35
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What is the relationship between identity and depression?
asked
Jan 15
in
Psychology
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