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1
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32
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What is the relationship between the photochemical properties of lanthanide complexes and their electronic configurations?
asked
Feb 24
in
PhotoChemistry
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votes
1
answer
33
views
How does pH affect the rate of reaction between hydrochloric acid and magnesium?
asked
Feb 22
in
Chemical kinetics
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1
answer
34
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How does the electronic band structure of a material change with varying external pressure, as predicted by density functional theory calculations?
asked
Feb 20
in
Computational Chemistry
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1
answer
33
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What is the effect of temperature on the adsorption of hydrogen gas on a solid surface of activated carbon? Provide experimental evidence to support your answer.
asked
Feb 20
in
Surface Chemistry
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votes
1
answer
33
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How does the chemical structure of a drug affect its pharmacodynamics in the body, and how can medicinal chemists optimize the structure to achieve better therapeutic effects?
asked
Feb 18
in
Medicinal Chemistry
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1
answer
32
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How does the binding affinity of a protein-protein complex change with varying pH levels in the surrounding environment?
asked
Feb 17
in
BioChemistry
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votes
1
answer
31
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How does the arrangement and bonding of atoms in molecular magnets affect their electronic and magnetic properties, and what methods can be used to predict these properties?
asked
Feb 17
in
Quantum Chemistry
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1
answer
42
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What are the key properties that make polymer-based electronic materials suitable for use in flexible and portable electronic devices?
asked
Feb 14
in
Polymer Chemistry
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votes
1
answer
40
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How can we optimize the production process for industrial gases like nitrogen and oxygen using a cryogenic distillation method to ensure high yield and purity levels suitable for industrial applications?
asked
Feb 14
in
Chemical engineering
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votes
1
answer
45
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What is the predicted acidity or basicity of the molecule HCOOH? Provide a detailed explanation and justify your answer using relevant chemical principles.
asked
Feb 13
in
Chemical bonding
0
votes
1
answer
71
views
How can we develop new antiviral treatments that are both effective and safe for patients?
asked
Feb 12
in
Medicinal Chemistry
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1
answer
28
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How can we design a polymer-based smart material that can change color or shape in response to changes in environmental conditions such as temperature or pH?
asked
Feb 12
in
Polymer Chemistry
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1
answer
91
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Determine the entropy change for the combustion of methane gas (CH4) at constant pressure and 298 K. Given the standard molar entropy values are: S°(CH4) = 186 J/mol.K, S°(O2) = 205 J/mol.K, S°(CO2) = 214 J/mol.K and S°(H2O) = 188 J/mol.K.
asked
Feb 4
in
Chemical thermodynamics
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1
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121
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Calculate the standard enthalpy of formation of water using Hess's law and the following data:2H2(g) + O2(g) -> 2H2O(g) ΔH°rxn = -484 kJ/molH2(g) + 1/2O2(g) -> H2O(l) ΔH°rxn = -286 kJ/mol
asked
Feb 3
in
Chemical thermodynamics
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1
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72
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What is the concentration of copper ions in a water sample collected from a certain river using the square wave voltammetry method?
asked
Jan 30
in
Analytical Chemistry
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1
answer
91
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How can the amount of lead in a water sample be quantified using voltammetry?
asked
Jan 29
in
Analytical Chemistry
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1
answer
65
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Calculate the amount of energy required to vaporize 100 grams of liquid water at its boiling point (100°C) given its enthalpy of vaporization is 40.7 kJ/mol.
asked
Jan 23
in
ThermoChemistry
0
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1
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68
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Why was the electroconvulsive therapy stigmatized?
asked
Jan 20
in
Psychology
0
votes
1
answer
52
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According to intersectionality theory, how do social identities like race and sexuality intersect with gender?
asked
Jan 17
in
Psychology
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1
answer
54
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What is the difference between informational social influence and normative social influence?
asked
Jan 17
in
Psychology
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