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0
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31
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What is the optimal reaction conditions (temperature and time) for the preparation of benzocaine from p-aminobenzoic acid and ethanol, and how do these conditions affect the yield and purity of the final product?
answered
Feb 22
in
Chemical synthesis
0
votes
34
views
What is the optimal temperature and catalyst to use in the synthesis of polyethylene oxide from ethylene oxide monomer, and how do they affect the yield and properties of the resulting polymer?
answered
Feb 21
in
Chemical synthesis
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votes
35
views
What is the most effective synthesis route for producing a biodegradable polymer with adjustable properties such as molecular weight, mechanical strength, and degradation rate, using environmentally friendly and cost-efficient raw materials?
answered
Feb 21
in
Polymer Chemistry
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26
views
How does the molecular dynamics of molecules in a gas phase impact the energy transfer processes between them?
answered
Feb 21
in
Quantum Chemistry
0
votes
22
views
What is the bond angle in a molecule of water (H2O) and how is it predicted based on the theory of valence shell electron pair repulsion (VSEPR) and the hybridization of the atoms involved?
answered
Feb 18
in
Chemical bonding
0
votes
36
views
How does the process of proteolysis differ between the lysosomal and proteasomal pathways, and how do these differences affect protein degradation and turnover in the cell?
answered
Feb 14
in
BioChemistry
0
votes
30
views
What is the role of insulin in the regulation of carbohydrate metabolism, and how does it affect glucose uptake and utilization in different tissues of the body?
answered
Feb 13
in
BioChemistry
0
votes
64
views
How does increasing the size of a gold nanoparticle affect its electronic transport properties as predicted by density functional theory calculations?
answered
Feb 13
in
Computational Chemistry
0
votes
63
views
What is the total number of ATP molecules generated per glucose molecule during Citric acid cycle and oxidative phosphorylation?
answered
Feb 13
in
BioChemistry
0
votes
97
views
How can the synthesis and characterization of new proton exchange membranes (PEMs) be optimized to improve their performance in fuel cells?
answered
Feb 11
in
Materials Chemistry
0
votes
63
views
How can the predicted electronic and magnetic properties of transition metal complexes be used to accurately design new catalysts for industrial applications?
answered
Feb 10
in
Quantum Chemistry
0
votes
43
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How can chemistry students be exposed to current research in the field, and what benefits could this exposure provide to their education and future careers?
answered
Feb 4
in
Chemical education
0
votes
37
views
Here is a precise problem for the student to solve:How does the molecular weight of a polymer affect its physical properties such as viscosity and elasticity? Provide experimental evidence to support your answer.
answered
Feb 4
in
Physical Chemistry
0
votes
62
views
Calculate the standard electrode potential for the redox reaction between copper and silver ions, given the following half-equations:Cu2+(aq) + 2e- → Cu(s) E° = +0.34 VAg+(aq) + e- → Ag(s) E° = +0.80 V
answered
Feb 3
in
Chemical thermodynamics
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129
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What strategies can be used by chemistry students to simplify their understanding of complex chemical concepts?
answered
Jan 30
in
Chemical education
0
votes
58
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How can the purity of an unknown substance be determined using melting point analysis and what are the factors that can affect the accuracy of this technique?
answered
Jan 29
in
Analytical Chemistry
0
votes
135
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A certain metal oxide has an enthalpy of formation of -589.3 kJ/mol. When a 5.60 g sample of this oxide is reduced with excess hydrogen gas, the enthalpy change for the reaction is found to be -129.3 kJ/mol. Calculate the enthalpy of reduction per mole of this oxide.
answered
Jan 22
in
ThermoChemistry
0
votes
17
views
Where did the earliest theories on anxiety focus?
answered
Jan 20
in
Psychology
0
votes
17
views
Compare the four stages of cognitive development according to Piaget.
answered
Jan 20
in
Psychology
0
votes
79
views
Where does the cultural psychology perspective focus in psychology?
answered
Jan 16
in
Psychology
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