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0
votes
1
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23
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What is the mechanism of the reaction between benzene and chlorine in the presence of a catalyst, and what intermediates are formed during this process?
asked
5 days
ago
in
Organic Chemistry
0
votes
1
answer
26
views
What is the optimal temperature, pressure and amount of initiator needed for the successful synthesis of polyvinyl chloride from vinyl chloride monomer?
asked
5 days
ago
in
Chemical synthesis
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votes
1
answer
7
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How does the molecular weight of a solute impact its diffusion rate in a solvent? Provide an experimental design and data analysis to support your answer.
asked
5 days
ago
in
Physical Chemistry
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votes
1
answer
24
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How does the electronic band structure of a metal change under different strain conditions, as predicted by density functional theory calculations?
asked
Feb 20
in
Computational Chemistry
0
votes
1
answer
29
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What is the effect of different light intensities on the reaction rate of the photochemical decomposition of hydrogen peroxide?
asked
Feb 19
in
Chemical kinetics
0
votes
1
answer
22
views
What is the effect of different degrees of crosslinking on the mechanical properties of a polymer utilized in biomedical applications?
asked
Feb 19
in
Materials Chemistry
0
votes
1
answer
44
views
What is the role of insulin in the regulation of glucose metabolism in the human body?
asked
Feb 13
in
BioChemistry
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votes
1
answer
34
views
What is the role of DNA polymerases during DNA replication and how do they ensure the accuracy of DNA synthesis? Provide specific examples of proofreading mechanisms used by DNA polymerases to maintain the integrity of the genetic code.
asked
Feb 12
in
BioChemistry
0
votes
1
answer
10
views
How does the Crystal Field Theory explain the colors observed in coordination compounds? Provide specific examples and explain the relevant factors that influence the color of each compound.
asked
Feb 12
in
Coordination Chemistry
0
votes
1
answer
8
views
How do Chlorofluorocarbons (CFCs) impact the ozone layer and what chemical reactions occur during the breakdown of CFCs in the ozone layer?
asked
Feb 12
in
Environmental Chemistry
0
votes
1
answer
45
views
How can the production process for a specific food additive be optimized to increase yield and purity while minimizing waste and energy consumption, based on the principles of chemical engineering?
asked
Feb 10
in
Chemical engineering
0
votes
1
answer
34
views
How can the mechanical and thermal properties of a polymer be improved during the injection molding process?
asked
Feb 7
in
Polymer Chemistry
0
votes
1
answer
31
views
How can liquid crystals be designed and synthesized to optimize their optical and electro-optical properties for use in high-resolution display technology?
asked
Feb 6
in
Materials Chemistry
0
votes
1
answer
12
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Design a process for the purification of a sample of crude oil. Describe the steps and the equipment needed for the process. Also, provide a brief explanation of the principles behind each step.
asked
Feb 4
in
Chemical engineering
0
votes
1
answer
37
views
Design a heterocyclic compound using pyridine as a starting material and incorporating at least one nitrogen atom in the heterocyclic ring. Draw the reaction mechanism involved in the synthesis and explain the role of each reagent used in the synthesis.
asked
Feb 4
in
Organic Chemistry
0
votes
1
answer
58
views
Calculate the standard enthalpy change for the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH), given the appropriate thermochemical equations and the following information:- Heat evolved during the reaction, Q = -58.35 kJ/mol- Moles of HCl used, n(HCl) = 0.05 mol- Concentration of NaOH solution, c(NaOH) = 2 M- Volume of NaOH solution used, V(NaOH) = 25.0 mL (assuming density of 1.00 g/mL)Show your calculations and include units in your final answer.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
72
views
What is the role of AMP-activated protein kinase (AMPK) in regulating glucose metabolism during exercise?
asked
Jan 31
in
BioChemistry
0
votes
1
answer
72
views
How can acetanilide be converted into 4-bromoacetanilide using bromine as a reagent, and what would be the mechanism of this chemical synthesis reaction?
asked
Jan 30
in
Chemical synthesis
0
votes
1
answer
45
views
Calculate the heat of formation of methane (CH4) given the following thermochemical equations and standard heats of formation:2H2 (g) + O2 (g) → 2H2O (l) ΔH° = -572 kJ/molC (s) + O2 (g) → CO2 (g) ΔH° = -393.5 kJ/molNote: The standard heat of formation of CH4 is -74.8 kJ/mol.
asked
Jan 23
in
Chemical bonding
0
votes
1
answer
66
views
Calculate the enthalpy change when 50.0 grams of ammonium nitrate dissolves in 250 mL of water at 25°C. The initial temperature of water was also 25°C and the final temperature after dissolution was 18.5°C. The molar mass of ammonium nitrate is 80.04 g/mol and the specific heat of water is 4.184 J/g°C. Assume that the heat capacity of the solution is the same as that of water.
asked
Jan 23
in
ThermoChemistry
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