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0
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23
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Identify the reaction mechanism and the intermediate species involved in the formation of alcohol in the reaction between an alkene and water in the presence of a sulfuric acid catalyst.
answered
Feb 22
in
Organic Chemistry
0
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33
views
How does the number of valence electrons affect the electronic and magnetic properties of topological materials?
answered
Feb 21
in
Quantum Chemistry
0
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32
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How does the nature of the ligand affect the color of a coordination complex containing a transition metal? Provide specific examples.
answered
Feb 21
in
Coordination Chemistry
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31
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How does the degree of crosslinking affect the surface energy and adhesion properties of a polymer coating on a certain substrate?
answered
Feb 19
in
Polymer Chemistry
0
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42
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How does the acidity level of acid mine drainage affect the solubility and toxicity of heavy metals present in contaminated water sources, and what are the best treatment methods to mitigate their impact on the environment?
answered
Feb 17
in
Environmental Chemistry
0
votes
32
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What is the accepted method in quantum chemistry to predict the selectivity of a chemical reaction between multiple reactants?
answered
Feb 17
in
Quantum Chemistry
0
votes
34
views
How to optimize the mechanical properties of a polymer-based scaffold for use in tissue engineering applications?
answered
Feb 14
in
Materials Chemistry
0
votes
53
views
How does increasing the concentration of reactants affect the reaction rate and mechanism of a chemical reaction?
answered
Feb 13
in
Chemical kinetics
0
votes
116
views
What type of bonding exists in solid sodium chloride (NaCl)?
answered
Feb 13
in
Chemical bonding
0
votes
83
views
What is the chemical process behind the eutrophication of water bodies due to nitrogen and phosphorus pollution and how can it be prevented?
answered
Feb 13
in
Environmental Chemistry
0
votes
28
views
How can we design a drug that targets the mutation responsible for sickle cell anemia, while avoiding harm to healthy cells and tissues in the body?
answered
Feb 12
in
Medicinal Chemistry
0
votes
69
views
How can the process of emulsification be optimized in the design of a system for the production of cosmetics, specifically for achieving long-term stability of the final product?
answered
Feb 10
in
Chemical engineering
0
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40
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How can chemistry teachers integrate technology into their teaching methods to effectively convey complex chemical concepts and principles to their students?
answered
Feb 5
in
Chemical education
0
votes
85
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Design a chemical reactor for the production of ethylene oxide through the direct oxidation of ethylene. The reactor should have a production rate of 100 tons per day and maintain a constant temperature of 250°C. Assume a feed composition of 90% ethylene and 10% oxygen. The reactor should also have a conversion efficiency of at least 95%. Compute the necessary reactor volume and the optimal flow rate of ethylene and oxygen to achieve the desired production rate and conversion efficiency.
answered
Feb 3
in
Chemical engineering
0
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80
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Describe the steps involved in the preparation of 2,4-dichlorobenzoic acid from benzoic acid and chlorine gas, including the chemical reactions that occur during the process, the reagents required, the conditions required for each step, and the yields of each intermediate and final product.
answered
Feb 3
in
Chemical synthesis
0
votes
78
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Calculate the standard enthalpy change for the following reaction: [Fe(H2O)6]2+(aq) + SO4 2-(aq) → [Fe(H2O)5 SO4]-(aq) + H2O(l) given that the standard enthalpies of formation of [Fe(H2O)6]2+, [Fe(H2O)5SO4]-, and H2O are -360 kJ/mol, -950 kJ/mol, and -286 kJ/mol, respectively.
answered
Feb 3
in
Chemical thermodynamics
0
votes
97
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What are the common misconceptions or difficulties that students face when trying to understand the placement of elements on the periodic table and how can these be overcome?
answered
Jan 30
in
Chemical education
0
votes
84
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Calculate the amount of heat absorbed by 50 grams of water during the process of crystallization when it is cooled from 70°C to 0°C and solidifies into ice with a heat of crystallization of 333.55 J/g.
answered
Jan 23
in
ThermoChemistry
0
votes
76
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Assuming a carbon-carbon double bond length of 1.33 Å and a carbon-hydrogen single bond length of 1.09 Å, what is the approximate bond length of a carbon-carbon triple bond in a molecule with a linear geometry?
answered
Jan 22
in
Physical Chemistry
0
votes
75
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According to the social identity theory, why do individuals form social groups?
answered
Jan 20
in
Psychology
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