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1
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How do the rheological properties of polymer melts, such as viscosity and elasticity, influence the processing and final properties of polymer materials in industrial applications?
asked
1 day
ago
in
Polymer Chemistry
0
votes
1
answer
21
views
What is the mechanism of the reaction between benzene and bromine in the presence of an iron catalyst? Describe the intermediates formed during the process and explain the role of the catalyst in the reaction.
asked
3 days
ago
in
Organic Chemistry
0
votes
1
answer
18
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What are the products of the thermal decomposition of calcium carbonate (CaCO3)?
asked
3 days
ago
in
Chemical reactions
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votes
1
answer
29
views
How does the presence of non-polar amino acids affect the folding and stability of proteins? Provide an example of a protein where non-polar amino acids play a crucial role in its function.
asked
3 days
ago
in
BioChemistry
0
votes
1
answer
26
views
How does the presence of heavy metals such as lead, arsenic, and cadmium in soil impact the uptake of nutrients by plants and ultimately affect crop health and yield?
asked
3 days
ago
in
Environmental Chemistry
0
votes
1
answer
24
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What is the ideal ratio of aniline to nitric acid to produce the maximum yield of p-nitroaniline in the preparation process?
asked
5 days
ago
in
Chemical synthesis
0
votes
1
answer
30
views
How does temperature affect the rate of reaction, and what is the impact of temperature on the safety of the reaction?
asked
Feb 17
in
Chemical kinetics
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votes
1
answer
46
views
How can the structure of a virus be used to design drugs that specifically target and inhibit the virus's replication cycle? What synthetic strategies and techniques can be used to synthesize these drugs efficiently and cost-effectively?
asked
Feb 11
in
Medicinal Chemistry
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votes
1
answer
41
views
How can the rate of polymerization be controlled for the synthesis of polyethylene using free radical polymerization technique?
asked
Feb 10
in
Organic Chemistry
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votes
1
answer
53
views
Calculation of standard enthalpy change for the combustion of propane.If 5 moles of propane react completely in a bomb calorimeter under standard conditions, calculate the standard enthalpy change for the combustion of propane. The balanced chemical equation for the combustion of propane is:C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(g) Given the standard enthalpy of formation at 25°C and 1 atm for C3H8(g), CO2(g), H2O(g) are -103.8 kJ/mol, -393.5 kJ/mol and -241.8 kJ/mol respectively.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
71
views
How does changing the concentration of a reactant affect the rate of a chemical reaction, and can this relationship be quantified using experimental data?
asked
Jan 31
in
Chemical kinetics
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votes
1
answer
67
views
What is the effect of a catalyst on the rate of a chemical reaction, and how does this relate to the reaction mechanism?
asked
Jan 30
in
Chemical kinetics
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votes
1
answer
80
views
How does the concentration of copper in a water sample affect the peak current observed in cyclic voltammetry, and how can this technique be used to determine the concentration of copper in the sample?
asked
Jan 30
in
Analytical Chemistry
0
votes
1
answer
64
views
Calculate the magnetic moment of a cobalt (II) ion, Co2+ in an octahedral field with a ligand field strength of 800 cm-1.
asked
Jan 23
in
Inorganic Chemistry
0
votes
1
answer
66
views
Where do place theories suggest pitch perception occurs?
asked
Jan 20
in
Psychology
0
votes
1
answer
32
views
Who created the positive psychotherapy approach?
asked
Jan 20
in
Psychology
0
votes
1
answer
32
views
What is a t-test?
asked
Jan 17
in
Psychology
0
votes
1
answer
9
views
What is the dopamine reward circuit?
asked
Jan 17
in
Psychology
0
votes
1
answer
66
views
What is the difference between In-Group and Out-Group in LMX Theory?
asked
Jan 15
in
Psychology
0
votes
1
answer
65
views
How can the principles of the positive psychology movement be applied in practice?
asked
Jan 15
in
Psychology
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