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0
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1
answer
25
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How do the photochemical properties of metal complexes vary with changes in the coordination geometry of the metal center?
asked
3 days
ago
in
PhotoChemistry
0
votes
1
answer
2
views
How does the pH level of a solution affect the rate of a photochemical reaction between a photosensitizer and a substrate, and how can this knowledge be applied in designing more efficient and selective photochemical reactions?
asked
3 days
ago
in
PhotoChemistry
0
votes
1
answer
24
views
What is the optimal temperature range for the synthesis of polyethylene oxide from ethylene oxide monomer, and how does changing the temperature affect the yield and molecular weight of the product?
asked
3 days
ago
in
Chemical synthesis
0
votes
1
answer
25
views
What is the optimal reaction conditions to synthesize polyethylene terephthalate from terephthalic acid and ethylene glycol, and how does the reaction conditions affect the properties of the resulting polymer?
asked
Feb 14
in
Chemical synthesis
0
votes
1
answer
35
views
How can the chemical structure of molecules be optimized to improve their efficacy in treating respiratory diseases such as asthma and COPD?
asked
Feb 6
in
Medicinal Chemistry
0
votes
1
answer
9
views
How can computational chemistry and molecular modeling help in predicting the behavior of molecules in reactions and designing new molecules with specific properties?
asked
Feb 5
in
Physical Chemistry
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votes
1
answer
50
views
Design a distillation column that separates a mixture of benzene and toluene with a feed of 50 mol% benzene and 50 mol% toluene, into two product streams: one with a purity of 99% benzene and the other with a purity of 99% toluene. The total distillate flow rate should be 80% of the feed flow rate and the reflux ratio should be 1.5 times the minimum reflux ratio. Provide a complete design including the required stages, the reboiler duty, and the reflux flow rate.
asked
Feb 3
in
Chemical engineering
0
votes
1
answer
41
views
What is the effect of changing the concentration of reactants on the reaction rate and sustainability of a chemical reaction?
asked
Feb 3
in
Chemical kinetics
0
votes
1
answer
69
views
What is the probability of a gas-phase reaction between methane and chlorine producing methyl chloride at a temperature of 500 K using Monte Carlo simulations?
asked
Jan 31
in
Computational Chemistry
0
votes
1
answer
52
views
What effect does adding a catalyst to a chemical system have on the equilibrium position and how does this impact the overall rate of reaction? Use the example of the Haber process to illustrate your answer with calculations.
asked
Jan 30
in
Chemical equilibrium
0
votes
1
answer
53
views
How can the concentration of lead in a given water sample be quantified using atomic absorption spectroscopy?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
64
views
Calculate the activation energy for the reaction between methane and oxygen to form carbon dioxide and water using density functional theory calculations.
asked
Jan 23
in
Computational Chemistry
0
votes
1
answer
101
views
A student has 20 grams of iron and 40 grams of oxygen. What is the limiting reactant in the reaction between iron and oxygen to form iron oxide (FeO)? How many grams of FeO can be produced assuming complete reaction and no excess reactants?
asked
Jan 22
in
Chemical reactions
0
votes
1
answer
35
views
According to the elaboration likelihood model, what factors influence the likelihood of attitude change?
asked
Jan 20
in
Psychology
0
votes
1
answer
52
views
Why was the feminist movement important for the use of reclaimed language?
asked
Jan 20
in
Psychology
0
votes
1
answer
12
views
Why is the Bobo doll experiment significant in psychology?
asked
Jan 20
in
Psychology
0
votes
1
answer
36
views
What is the formal operational stage of cognitive development?
asked
Jan 20
in
Psychology
0
votes
1
answer
45
views
What is the difference between a parametric test and a nonparametric test?
asked
Jan 20
in
Psychology
0
votes
1
answer
50
views
According to the ecological systems theory, what are the levels of influence on human development?
asked
Jan 20
in
Psychology
0
votes
1
answer
22
views
Please discuss the methodology of the STM vs LTM debate.
asked
Jan 16
in
Psychology
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