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User ElviaBumgarn
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Answers by ElviaBumgarn
0
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28
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What is the mechanism of the reaction between acyl chloride and an alcohol to form an ester in the presence of a Lewis Acid? Provide the step-by-step process with relevant chemical equations and explain the role of the Lewis Acid in the reaction.
answered
Feb 22
in
Organic Chemistry
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votes
32
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What are the factors that affect the phosphorescent properties of materials, and how can they be optimized for practical applications such as in OLED displays or security inks?
answered
Feb 22
in
PhotoChemistry
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31
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How does the excited state dynamics of a molecule vary based on the type of solvents used in ab initio calculations?
answered
Feb 20
in
Computational Chemistry
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24
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What is the effect of varying the ratio of reactants on the reaction rate of a chemical reaction?
answered
Feb 20
in
Chemical kinetics
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36
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How does the degradation of polymers affect their stability and properties over time under different environmental conditions?
answered
Feb 19
in
Polymer Chemistry
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34
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What is the chemical equation for the gas evolution reaction that occurs when magnesium metal reacts with hydrochloric acid and how does this reaction demonstrate the relationship between acid strength and reactivity with metals?
answered
Feb 18
in
Chemical reactions
0
votes
67
views
How does the regulation of lipoprotein lipase activity affect lipid metabolism in adipose tissue?
answered
Feb 13
in
BioChemistry
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votes
30
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How does insulin regulate the metabolism of carbohydrates? Provide a detailed explanation of the biochemical mechanisms involved in the process.
answered
Feb 13
in
BioChemistry
0
votes
83
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Design a chemical reactor for the production of 2000 kg of ammonia per hour from 3000 kg of nitrogen and 6000 kg of hydrogen per hour, using the Haber-Bosch process. Determine the most suitable operating conditions such as pressure, temperature, and catalyst type for maximum yield and cost-effectiveness.
answered
Feb 3
in
Chemical engineering
0
votes
58
views
How can Raman spectroscopy be used to distinguish between different isomers of a compound in a sample?
answered
Jan 29
in
Analytical Chemistry
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75
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A zinc electrode was kept in a 0.1 M ZnSO4(aq) solution, and a copper electrode was kept in a 0.1 M CuSO4(aq) solution. When 1500 C of electricity was passed through the cell, how many grams of copper were deposited on the cathode? (Assume 100 % efficiency and the Faraday constant is 96500 C/mol)
answered
Jan 22
in
ElectroChemistry
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votes
78
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A chemistry student wants to design an electrochemical cell that produces a voltage of at least 1.5 volts. The available electrodes are copper and aluminum. Using Faraday's law, calculate the mass of copper needed to produce the required voltage if aluminum is used as the other electrode. The specific gravity of copper is 8.96 g/cm³, and the standard reduction potential of copper and aluminum are -0.34 V and -1.66 V, respectively.
answered
Jan 22
in
Physical Chemistry
0
votes
70
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What is the neural basis of short-term memory according to the Atkinson-Shiffrin theory?
answered
Jan 20
in
Psychology
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votes
53
views
How do social norms influence behaviour?
answered
Jan 20
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Psychology
0
votes
130
views
How can theories of situated cognition inform artificial intelligence?
answered
Jan 17
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Psychology
0
votes
47
views
What are the strengths of critical theory?
answered
Jan 16
in
Psychology
0
votes
70
views
What is the difference between longitudinal and cross-sectional studies?
answered
Jan 14
in
Psychology
0
votes
60
views
What is self-handicapping?
answered
Jan 13
in
Psychology
0
votes
51
views
Which measure indicates the number of electrons in a given sublevel?
answered
Jan 8
in
Science
0
votes
74
views
What property is the result of the force of gravity being opposed by the normal force?
answered
Jan 7
in
Science
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