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0
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1
answer
29
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What is the optimal reaction temperature and catalyst concentration for the synthesis of polyacrylonitrile from acrylonitrile monomer using ammonium persulfate as the initiator?
asked
5 days
ago
in
Chemical synthesis
0
votes
1
answer
24
views
What is the mechanism of the nucleophilic substitution reaction between 2-bromopropane and potassium hydroxide in ethanol as the solvent?
asked
5 days
ago
in
Organic Chemistry
0
votes
1
answer
23
views
What is the Lewis structure for the molecule carbon dioxide (CO2)?
asked
6 days
ago
in
Chemical bonding
0
votes
1
answer
30
views
How does the insulin signaling pathway regulate carbohydrate metabolism in liver cells, and what role do enzymes such as hexokinase and glycogen synthase play in this process?
asked
6 days
ago
in
BioChemistry
0
votes
1
answer
37
views
What is the hybridization of the central carbon atom in the molecule of ethane (C2H6)?
asked
Feb 13
in
Chemical bonding
0
votes
1
answer
40
views
What is the effect of concentration changes of reactants on the reaction rate in a complex reaction mechanism?
asked
Feb 13
in
Chemical kinetics
0
votes
1
answer
35
views
What is the specific procedure for preparing 2,4,6-trinitrotoluene from toluene and nitric acid, including the necessary reagents, reaction conditions, and safety precautions to be taken throughout the process?
asked
Feb 13
in
Chemical synthesis
0
votes
1
answer
33
views
What are the intermolecular forces present in hexane?
asked
Feb 13
in
Chemical bonding
0
votes
1
answer
39
views
How can the properties of semiconductors be modified to enhance their efficiency in electronic devices?
asked
Feb 10
in
Materials Chemistry
0
votes
1
answer
47
views
How can chemistry students overcome limited opportunities for hands-on experimentation in order to better understand practical applications of chemical principles and theories?
asked
Feb 5
in
Chemical education
0
votes
1
answer
68
views
Design a treatment system for the removal of heavy metals from industrial wastewater using an ion exchange process for a chemical manufacturing plant operating in the city with strict regulations regarding the disposal of wastewater.
asked
Feb 4
in
Chemical engineering
0
votes
1
answer
49
views
How does changing the stoichiometry of reactants in a chemical reaction affect the rate of reaction, and how can we experimentally investigate this relationship?
asked
Feb 3
in
Chemical kinetics
0
votes
1
answer
53
views
Calculate the enthalpy of vaporization for water given the following information: The boiling point of water is 100°C and its specific heat capacity is 4.18 J/g°C. The density of water at its boiling point is 0.958 g/mL and the heat of fusion for water is 40.7 kJ/mol. The molar mass of water is 18.015 g/mol.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
86
views
A chemistry student has mixed 0.1 mol of hydrochloric acid (HCl) with 0.2 mol of sodium hydroxide (NaOH). What is the pH of the resulting solution?
asked
Jan 22
in
Inorganic Chemistry
0
votes
1
answer
32
views
Who developed the theory of multiple intelligences?
asked
Jan 17
in
Psychology
+1
vote
1
answer
36
views
How did Michael Gazzaniga's research with split-brain patients inform our understanding of consciousness?
asked
Jan 17
in
Psychology
0
votes
1
answer
63
views
How do evolutionary psychologists explain human behaviour?
asked
Jan 17
in
Psychology
0
votes
1
answer
44
views
According to Seligman, when does learned helplessness occur?
asked
Jan 15
in
Psychology
0
votes
1
answer
43
views
What are the different types of memory?
asked
Jan 15
in
Psychology
0
votes
1
answer
36
views
What are the qualities of a good parent?
asked
Jan 13
in
Psychology
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