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1
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What is the effect of ligand structure on the photochemical properties of lanthanide complexes? Compare and contrast the photochemical behaviors of two different lanthanide complexes with different ligands.
asked
5 days
ago
in
PhotoChemistry
0
votes
1
answer
28
views
What is the effect of pH on the structure and function of proteins?
asked
5 days
ago
in
BioChemistry
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votes
1
answer
32
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How does the molecular weight of a polymer affect the quality and mechanical properties of a 3D-printed object?
asked
5 days
ago
in
Polymer Chemistry
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votes
1
answer
24
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How does the calculation of the vertical excitation energies and oscillator strengths of a molecule change when different levels of theory are employed, such as time-dependent density functional theory (TDDFT) versus coupled-cluster theory?
asked
Feb 18
in
Quantum Chemistry
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votes
1
answer
26
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What is the bond enthalpy of the carbon-carbon double bond in ethene (C2H4) if it requires 615 kJ/mol of energy to break the bond?
asked
Feb 18
in
Chemical bonding
0
votes
1
answer
27
views
What is the bond dissociation energy of the chlorine molecule (Cl2) in kilojoules per mole (kJ/mol)? Given that the bond length of Cl-Cl is 198 pm, and the enthalpy change for the reaction Cl2(g) -> 2Cl(g) is 242 kJ/mol.
asked
Feb 18
in
ThermoChemistry
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votes
1
answer
28
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How do persistent organic pollutants (POPs) affect aquatic ecosystems, and what measures can be taken to reduce their impact on these environments?
asked
Feb 14
in
Environmental Chemistry
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votes
1
answer
44
views
What is the hybridization of the central atom in SO2 and how do the orbitals overlap to form the molecule?
asked
Feb 13
in
Inorganic Chemistry
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votes
1
answer
35
views
What is the color of copper sulfate (CuSO4) and what causes this compound to appear this color?
asked
Feb 12
in
Inorganic Chemistry
0
votes
1
answer
31
views
What are the effects of chirality on the photochemical properties of molecules and what are some examples of chiral molecules known to exhibit different photochemical behaviors?
asked
Feb 12
in
PhotoChemistry
0
votes
1
answer
35
views
How can the performance of polymer-based membranes for water treatment be improved in terms of permeability and selectivity?
asked
Feb 10
in
Polymer Chemistry
0
votes
1
answer
37
views
How can the efficiency of the biofuels production process be improved by optimizing the catalyst and reaction conditions used in the conversion of feedstock to biofuels?
asked
Feb 7
in
Chemical engineering
0
votes
1
answer
80
views
How can we use ion-selective electrodes to determine the concentration of fluoride ions in a solution and what factors can affect the accuracy of this measurement?
asked
Jan 30
in
Analytical Chemistry
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votes
1
answer
55
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Calculate the corrosion current density of an iron rod having a surface area of 15 cm², immersed in an acid solution (pH=3) with a temperature of 50°C. The concentration of iron ions (Fe²⁺) in the solution is 0.1 M, and the standard reduction potential of iron is -0.44 V. The Tafel slope obtained experimentally is 0.12 V/decade. Use the Tafel equation to calculate the corrosion current density (in A/cm²) of the iron rod.
asked
Jan 23
in
ElectroChemistry
0
votes
1
answer
44
views
Calculate the bond energy of O-O bond in a molecule of oxygen gas (O$_2$) given that the dissociation energy required to break this bond is 498 kJ/mol.
asked
Jan 23
in
Chemical reactions
0
votes
1
answer
35
views
How does risperidone affect the brain?
asked
Jan 20
in
Psychology
0
votes
1
answer
55
views
Please compare the role of cultural identity in Erikson's theory versus that of Gloria Anzaldua's theory of borderlands.
asked
Jan 17
in
Psychology
0
votes
1
answer
33
views
What is a placebo control group?
asked
Jan 16
in
Psychology
0
votes
1
answer
35
views
Which bones are flat and triangular and located at the back of the pectoral girdle?
asked
Jan 8
in
Science
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votes
1
answer
33
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What types of glands do only female mammals have?
asked
Jan 8
in
Science
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