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What is the most efficient and economical method for synthesizing polyvinyl alcohol from vinyl acetate monomer, considering the purity, yield, and properties of the resulting polymer?
asked
4 days
ago
in
Chemical synthesis
0
votes
1
answer
17
views
What is the molecular geometry of the CCl4 molecule?
asked
5 days
ago
in
Chemical bonding
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votes
1
answer
26
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What are the most effective catalysts to use in the production of ammonium nitrate fertilizer via the Haber process, and how do their properties affect the rate of the reaction and yield of the product?
asked
5 days
ago
in
Chemical engineering
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votes
1
answer
27
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How do the photochemical properties of silver halides used in photographic film affect the sensitivity and resolution of images produced?
asked
Feb 14
in
PhotoChemistry
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votes
1
answer
29
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What is the difference between primary, secondary, and tertiary amines? Give an example of each type and explain how their properties and reactivity differ. Compare and contrast the properties and reactivity of a primary amine and its corresponding amide.
asked
Feb 14
in
Organic Chemistry
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votes
1
answer
9
views
How can the production of industrial gases using the Haber-Bosch process be optimized to reduce environmental impact while maintaining efficiency and yield?
asked
Feb 10
in
Chemical engineering
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votes
1
answer
30
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How can the medicinal chemistry approach be applied to develop new treatments for viral infections that are resistant to currently available antiviral drugs?
asked
Feb 10
in
Medicinal Chemistry
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votes
1
answer
63
views
What specific study techniques can a chemistry student use to help them better understand complex concepts such as quantum mechanics and chemical bonding?
asked
Jan 30
in
Chemical education
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votes
1
answer
97
views
What is the composition and concentration of different gases in a gas mixture (such as air) and how can they be separated and analyzed using gas chromatography?
asked
Jan 30
in
Analytical Chemistry
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votes
1
answer
51
views
How can liquid chromatography be used to determine the concentration of a specific compound in a mixture containing multiple compounds? Provide step-by-step procedures for preparing the sample, selecting appropriate chromatographic conditions, analyzing the sample, and quantifying the compound of interest.
asked
Jan 29
in
Analytical Chemistry
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votes
1
answer
61
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A student needs to calculate the efficiency of a voltaic cell that has a standard potential difference of 0.78 V and produces a current of 2.5 A. The cell is operated for 8 hours and consumes a total of 2400 Coulombs of charge. What is the efficiency of this electrochemical cell?
asked
Jan 22
in
ElectroChemistry
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votes
1
answer
86
views
What is the balanced chemical equation for the oxidation of ethanol to ethanoic acid using potassium dichromate(VI) as the oxidizing agent under acidic conditions?
asked
Jan 21
in
Organic Chemistry
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votes
1
answer
52
views
How can the broaden-and-build theory be useful in positive psychology?
asked
Jan 20
in
Psychology
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votes
1
answer
27
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What are the similarities between compensatory and noncompensatory decision strategies?
asked
Jan 17
in
Psychology
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votes
1
answer
38
views
When treating anxiety disorders, what is exposure therapy?
asked
Jan 17
in
Psychology
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votes
1
answer
38
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According to the diathesis-stress model, what is the cause of depression?
asked
Jan 16
in
Psychology
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votes
1
answer
29
views
What is the difference between a feedforward neural network and a recurrent neural network?
asked
Jan 16
in
Psychology
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votes
1
answer
70
views
According to Lev Vygotsky, how does cognitive development occur in children?
asked
Jan 15
in
Psychology
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1
answer
47
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What are some criticisms of indigenous psychology?
asked
Jan 14
in
Psychology
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1
answer
17
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What is the term used to describe the way in which mental processes operate outside conscious awareness?
asked
Jan 14
in
Psychology
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