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1
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How does the size and shape of microplastics affect their toxicity levels to marine organisms, and what chemical reactions or processes occur when these microplastics accumulate in the marine food chain?
asked
Feb 24
in
Environmental Chemistry
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votes
1
answer
24
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How do the physicochemical properties of ionic liquids such as viscosity, density, and conductivity vary with changes in temperature and chemical composition?
asked
Feb 22
in
Physical Chemistry
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1
answer
30
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What is the most effective method for studying the structural and electronic properties of zeolite catalysts using computational chemistry techniques?
asked
Feb 21
in
Computational Chemistry
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votes
1
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28
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What is the most effective catalyst for synthesizing polyvinyl alcohol from vinyl acetate monomer, and how does the reaction conditions affect the properties of the resulting polyvinyl alcohol polymer?
asked
Feb 21
in
Chemical synthesis
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votes
1
answer
33
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What are the key factors that contribute to the stability of beta-sheet structures in protein folding, as revealed by molecular dynamics simulations?
asked
Feb 13
in
Computational Chemistry
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votes
1
answer
56
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What type of bond is formed between two carbon atoms in a molecule of ethane (C2H6) and how is it determined?
asked
Feb 13
in
Chemical bonding
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votes
1
answer
32
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How can we design a drug that specifically targets the enzyme responsible for a certain disease state, while avoiding interference with other enzymes or receptors in the body?
asked
Feb 12
in
Medicinal Chemistry
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1
answer
65
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How can the properties of a polymer-based smart material be optimized using different synthesis techniques and copolymerization strategies?
asked
Feb 10
in
Polymer Chemistry
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votes
1
answer
18
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How can computational chemistry be used to study protein-protein interactions and lead to the discovery of potential inhibitors for disease-related interactions? Specifically, can molecular docking studies be used to predict the binding affinity and selectivity of a small molecule inhibitor to a protein-protein interface involved in a particular disease pathway?
asked
Feb 6
in
Computational Chemistry
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votes
1
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78
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Calculate the enthalpy change of the isomerization of but-2-ene to 2-methylpropene given the standard enthalpy of formation of but-2-ene is -20.4 kJ/mol and that of 2-methylpropene is -27.0 kJ/mol. The reaction is carried out at constant pressure and 298 K.
asked
Jan 23
in
ThermoChemistry
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votes
1
answer
73
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Calculate the bond energy of O2 molecule in kJ/mol, given that the bond energy of O-H is 464 kJ/mol and the bond energy of H-H is 432 kJ/mol.
asked
Jan 23
in
Chemical reactions
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1
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84
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A student conducted an electrochemical reaction using a copper electrode to reduce a solution containing Ag+ ions. The standard reduction potential for Ag+ is 0.80 V and the standard reduction potential for Cu2+ is 0.34 V. The student measured the cell potential to be 0.62 V. Calculate the overpotential of the reaction and determine if the reduction of Ag+ occurs spontaneously.
asked
Jan 22
in
ElectroChemistry
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votes
1
answer
84
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A chemistry student wants to determine the reaction rate of a chemical reaction. They mix 8 grams of reactant A with 12 grams of reactant B in a beaker at room temperature. After 10 seconds, they observe that the mass of the beaker's contents has decreased by 2 grams. What is the reaction rate of the chemical reaction?
asked
Jan 22
in
Chemical reactions
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votes
1
answer
44
views
What is the frustration-aggression hypothesis?
asked
Jan 20
in
Psychology
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votes
1
answer
75
views
What is a community organizer?
asked
Jan 17
in
Psychology
0
votes
1
answer
97
views
What is the main limitation of the social learning theory of aggression?
asked
Jan 16
in
Psychology
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1
answer
83
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What is the principle of Occam's razor?
asked
Jan 16
in
Psychology
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votes
1
answer
63
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According to the Pearson correlation coefficient, what does the value +/-1 indicate?
asked
Jan 16
in
Psychology
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votes
1
answer
55
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Please compare the serial and parallel processing models.
asked
Jan 15
in
Psychology
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1
answer
39
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Who posits that people need to find meaning in the loss before being able to move on?
asked
Jan 15
in
Psychology
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