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25
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What are the significant discoveries and contributions of the early chemists in the evolution of chemistry, and how did they impact the development of modern chemistry?
answered
2 days
ago
in
Chemical education
0
votes
23
views
What is the vibrational frequency and infrared spectrum of water molecule using the quadratic force field method?
answered
5 days
ago
in
Quantum Chemistry
0
votes
23
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What are the photochemical properties of [Fe(CN)6]^-4 and [Co(NH3)5Cl]2+ coordination compounds? Explain how the ligands affect the electronic transitions and absorption spectra of these complexes upon exposure to light.
answered
5 days
ago
in
PhotoChemistry
0
votes
24
views
How does the dielectric constant of a solvent affect the reaction rate of a chemical reaction?
answered
Feb 19
in
Chemical kinetics
0
votes
24
views
How does the degree of polymer crystallinity affect the mechanical properties of a polymer?
answered
Feb 19
in
Polymer Chemistry
0
votes
32
views
How does increasing pressure affect the rate of reaction between hydrogen gas and iodine gas to form hydrogen iodide gas, and what is the rate law expression for this reaction under high-pressure conditions?
answered
Feb 13
in
Chemical kinetics
0
votes
38
views
How can the synthesis of polyvinyl alcohol from vinyl acetate monomer be optimized to ensure that the resulting polymer has the desired molecular weight and level of hydrolysis?
answered
Feb 11
in
Chemical synthesis
0
votes
44
views
How can the size and shape of a quantum dot affect its electronic and optical properties?
answered
Feb 10
in
Quantum Chemistry
0
votes
11
views
How can the principles of quantum mechanics be applied to improve the efficiency of quantum computing algorithms for simulating chemical reactions and properties?
answered
Feb 10
in
Quantum Chemistry
0
votes
39
views
How can the efficiency of the production process for the pharmaceutical drug be optimized with the use of catalysts?
answered
Feb 7
in
Chemical engineering
0
votes
36
views
How can quantum computing be used to solve the electronic structure problem in quantum chemistry?
answered
Feb 5
in
Quantum Chemistry
0
votes
64
views
What are the potential drug-drug interactions between aspirin and ibuprofen, and how do they affect the metabolism and efficacy of each drug?
answered
Jan 31
in
Medicinal Chemistry
0
votes
78
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What is the molecular structure of a sample under investigation, based on the magnetic resonance spectra recorded at different temperatures and under different magnetic fields?
answered
Jan 31
in
Physical Chemistry
0
votes
60
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Calculate the enthalpy change for the reaction of 2.5 g of hydrogen gas with excess oxygen gas to produce water, given that the enthalpy of formation of water is -285.83 kJ/mol and the molar mass of hydrogen gas is 2.02 g/mol.
answered
Jan 23
in
ThermoChemistry
0
votes
33
views
How might the positivity effect be explained?
answered
Jan 20
in
Psychology
0
votes
36
views
Where does the cognitive approach suggest that perception comes from?
answered
Jan 20
in
Psychology
0
votes
23
views
What is the self-categorization theory?
answered
Jan 20
in
Psychology
0
votes
18
views
Why is a two-way ANOVA used?
answered
Jan 17
in
Psychology
0
votes
51
views
Where might a positive psychologist look for the cause of happiness?
answered
Jan 17
in
Psychology
0
votes
38
views
Where does the social learning theory suggest that our sexual preferences come from?
answered
Jan 15
in
Psychology
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