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User AltonDurden
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0
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84
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What is the optimum reaction conditions for the synthesis of polyethylene from ethylene monomer and how do they affect the yield and properties of the polymer?
answered
Feb 22
in
Chemical synthesis
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votes
79
views
How does the lipid composition of the cell membrane affect its permeability and selectivity for certain molecules?
answered
Feb 20
in
BioChemistry
0
votes
75
views
How does the presence of different concentrations of product affect the reaction rate of the iodine clock reaction?
answered
Feb 20
in
Chemical kinetics
0
votes
76
views
What is the effect of molecular weight on the viscosity of polymer melts? Provide experimental evidence and compare the results with existing theories.
answered
Feb 19
in
Polymer Chemistry
0
votes
73
views
How does the coordination chemistry of metal ions in metalloenzymes and metalloproteins impact their catalytic activity?
answered
Feb 19
in
Coordination Chemistry
0
votes
76
views
How does the concept of orbital overlap explain the strength of covalent bonds in different molecules?
answered
Feb 19
in
Physical Chemistry
0
votes
103
views
How does the catalyst's metal surface composition and structure affect the selectivity and efficiency of the oxidation of which type of hydrocarbon?
answered
Feb 18
in
Surface Chemistry
0
votes
70
views
What is the effect of different nanoparticle shapes on the enhancement of Raman signals in SERS?
answered
Feb 17
in
Surface Chemistry
0
votes
102
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How do persistent organic pollutants (POPs) accumulate in the food chain and what are the potential health and environmental impacts of their accumulation?
answered
Feb 14
in
Environmental Chemistry
0
votes
89
views
What is the role of molecular chaperones in protein folding? How do they assist proteins in achieving their correct conformation?
answered
Feb 13
in
BioChemistry
0
votes
114
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Design a lubricant production system that can produce 1000 liters of lubricant per hour for use in heavy machinery. The system should be cost-effective, environmentally friendly, and able to meet industry standards for quality and performance. Include a detailed process flow diagram and a list of the necessary raw materials, equipment, and safety precautions for the production process. Additionally, calculate the total production cost per liter of lubricant and propose strategies for reducing production costs without compromising product quality.
answered
Feb 4
in
Chemical engineering
0
votes
81
views
Calculate the standard enthalpy change of the dissolution reaction for 5.00 g of NaOH in 100 mL of water, given the molar heat of solution of NaOH as -44.5 kJ/mol.
answered
Feb 3
in
Chemical thermodynamics
0
votes
134
views
When was the Heuristics and Biases Program introduced?
answered
Jan 20
in
Psychology
0
votes
40
views
When evaluating theories of cognition, why is it important to consider the socio-cultural context?
answered
Jan 16
in
Psychology
0
votes
212
views
Why do people conform to social norms?
answered
Jan 15
in
Psychology
0
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60
views
Where does the cognitive social learning theory of sexuality focus?
answered
Jan 15
in
Psychology
0
votes
163
views
According to Piaget's Theory of Cognitive Development, why may children be more accepting of AI as being intelligent?
answered
Jan 15
in
Psychology
0
votes
44
views
When do we perceive colour?
answered
Jan 15
in
Psychology
0
votes
100
views
Why is psychosocial development important?
answered
Jan 14
in
Psychology
0
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137
views
What is the ethics of hypothesis testing?
answered
Jan 14
in
Psychology
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