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1
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What is the mechanism of the Friedel-Crafts acylation reaction and how does it differ from the Friedel-Crafts alkylation reaction when synthesizing aromatic compounds? Provide an example of each reaction and explain their selectivities.
asked
5 days
ago
in
Organic Chemistry
0
votes
1
answer
18
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What is the coordination number of Gd3+ ion in GdCl3 and how does its coordination environment change when it forms a complex with EDTA ligand?
asked
6 days
ago
in
Coordination Chemistry
0
votes
1
answer
23
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How does the change in the stoichiometric ratio of reactants affect the rate of a chemical reaction?
asked
Feb 18
in
Chemical kinetics
0
votes
1
answer
26
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What is the bond order of O2 molecule using molecular orbital theory?
asked
Feb 18
in
Chemical bonding
0
votes
1
answer
22
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What is the bond order and bond length of the compound CO (carbon monoxide)?
asked
Feb 18
in
Inorganic Chemistry
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votes
1
answer
36
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How can the stability of polymers be increased or improved to prevent degradation?
asked
Feb 10
in
Polymer Chemistry
0
votes
1
answer
37
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How can the refractive index and optical properties of a glass material be tailored for use in specific optical applications?
asked
Feb 10
in
Materials Chemistry
0
votes
1
answer
36
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How can the durability and adhesive properties of polymer-based coatings and paints be enhanced using different chemical strategies?
asked
Feb 7
in
Polymer Chemistry
0
votes
1
answer
36
views
How can the design of a lubricant production system be optimized for the efficient and cost-effective production of high-quality lubricants, while minimizing waste and environmental impact?
asked
Feb 6
in
Chemical engineering
0
votes
1
answer
53
views
Calculate the theoretical yield of benzocaine that can be produced from 1.5 moles of p-aminobenzoic acid and excess ethanol, assuming complete conversion and a 95% yield.
asked
Feb 3
in
Chemical synthesis
0
votes
1
answer
59
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Calculate the standard electrode potential for the following redox reaction in acidic medium using the standard reduction potentials given below:Fe<sup>2+</sup>(aq) + MnO<sub>4</sub><sup>-</sup>(aq) + H<sup>+</sup>(aq) → Fe<sup>3+</sup>(aq) + Mn<sup>2+</sup>(aq) + H<sub>2</sub>O(l)Standard reduction potentials:Fe<sup>3+</sup>(aq) + e<sup>-</sup> → Fe<sup>2+</sup>(aq) E<sub>o</sub> = +0.77 VMnO<sub>4</sub><sup>-</sup>(aq) + 8H<sup>+</sup>(aq) + 5e<sup>-</sup> → Mn<sup>2+</sup>(aq) + 4H<sub>2</sub>O(l) E<sub>o</sub> = +1.51 V
asked
Feb 3
in
Chemical thermodynamics
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1
answer
55
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Calculate the enthalpy change for the precipitation reaction that occurs when 50.0 mL of 0.100 M AgNO3 (aq) and 25.0 mL of 0.100 M NaCl (aq) are mixed together. The final temperature of the solution is 25.0°C, and the initial temperature of both solutions was 25.0°C. The heat capacity of the solution is 4.18 J/(g °C) and the density of each solution is 1.00 g/mL. Assume that the reaction goes to completion and that the density and specific heat capacity of the resulting solution are the same as those of pure water.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
58
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Calculate the bond dissociation energy of the H-H bond in the H2 molecule. Given the bond length of H2 is 74 pm and the enthalpy change for the reaction H2(g) → 2H(g) is 436 kJ/mol.
asked
Jan 23
in
Chemical bonding
0
votes
1
answer
41
views
According to the Attention Schema Theory, what is attention?
asked
Jan 17
in
Psychology
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votes
1
answer
62
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What are the benefits of integrating indigenous psychology into mainstream psychology?
asked
Jan 16
in
Psychology
0
votes
1
answer
56
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When evaluating the theories of conflict resolution, what is the collaboration strategy?
asked
Jan 16
in
Psychology
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votes
1
answer
64
views
How does cognitive dissonance theory explain the relationship between attitudes and behaviour?
asked
Jan 15
in
Psychology
0
votes
1
answer
41
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Who proposed the social identity theory?
asked
Jan 15
in
Psychology
0
votes
1
answer
64
views
What is the difference between perception and sensation?
asked
Jan 14
in
Psychology
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votes
1
answer
35
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What is the role of schemas in cognition?
asked
Jan 14
in
Psychology
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