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1
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31
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How does the protein structure of lysozyme change over time during molecular dynamics simulations under different environmental conditions and why?
asked
Feb 22
in
Computational Chemistry
0
votes
1
answer
23
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What is the effect of changing the pH of a colloidal solution on its zeta potential and stability?
asked
Feb 22
in
Surface Chemistry
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1
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38
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How does the mechanism of a specific chemical reaction change under different reaction conditions, such as temperature, pressure, and solvent, as predicted by quantum chemical calculations?
asked
Feb 20
in
Computational Chemistry
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1
answer
33
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What is the effect of different catalysts on the rate of the reaction between hydrogen peroxide and potassium iodide?
asked
Feb 19
in
Chemical kinetics
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1
answer
31
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What type of polymer material is best suited for developing optical lenses with high refractive indices and low dispersion values?
asked
Feb 17
in
Polymer Chemistry
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1
answer
37
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How does temperature affect the rate of a catalytic reaction in the presence of an enzyme catalyst?
asked
Feb 17
in
Physical Chemistry
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1
answer
37
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What is the effect of liver metabolism on the drug efficacy of ibuprofen and its active metabolites in the body?
asked
Feb 13
in
Medicinal Chemistry
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1
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98
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Calculate the standard enthalpy change (∆H°) for the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH) given the following information:- Balanced chemical equation: HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)- ∆H°f of NaCl(aq) = -407.3 kJ/mol- ∆H°f of H2O(l) = -285.8 kJ/mol- Heat capacity of the system, Cp = 4.18 J/g.K- Mass of the HCl solution used = 50.0 g- Concentration of HCl solution = 0.100 M- Volume of NaOH solution used = 100.0 mL- Concentration of NaOH solution = 0.200 MAssume that the specific heat of the solution is equal to that of water at 4.18 J/g.K and that the density o
asked
Feb 3
in
Chemical thermodynamics
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1
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97
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What is the concentration of copper ions in a given sample using polarography, if the measured peak current is 2.56 μA and the standard potential of the copper ion electrode is +0.34 V (vs. SCE)?
asked
Jan 30
in
Analytical Chemistry
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1
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74
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Calculate the bond energy for the O-H bond in a water molecule (H2O), given that the enthalpy change for the combustion of 1 mole of water is -286 kJ/mol and the O=O bond energy is 498 kJ/mol.
asked
Jan 23
in
Chemical reactions
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92
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A sample of drinking water from a local source was analyzed for its composition using mass balance calculations. The sample was found to contain 100 mg/L of calcium ions, 50 mg/L of magnesium ions, 20 mg/L of chloride ions, and 10 mg/L of sulfate ions. If the total volume of the sample was measured to be 50 mL, what is the mass of each ion present in the sample?
asked
Jan 22
in
Analytical Chemistry
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1
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88
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Identify the functional group and name the compound shown below:
asked
Jan 21
in
Organic Chemistry
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1
answer
51
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Who proposed the gate-control theory of pain?
asked
Jan 20
in
Psychology
0
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1
answer
90
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What is the importance of social support networks in addiction recovery?
asked
Jan 20
in
Psychology
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1
answer
117
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What is the role of machine learning in AI development?
asked
Jan 20
in
Psychology
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1
answer
78
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Why is the social exchange theory criticised?
asked
Jan 16
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Psychology
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1
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34
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How can we assess the degree of consensus in psychodynamic research?
asked
Jan 16
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Psychology
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1
answer
60
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What is the difference between homologous and analogous traits?
asked
Jan 15
in
Psychology
0
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1
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47
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What is the difference between a life course approach and a life span approach?
asked
Jan 14
in
Psychology
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1
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69
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What is the difference between modularity and distributed processing?
asked
Jan 13
in
Psychology
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