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0
votes
1
answer
21
views
What is the hybridization of the oxygen atom in the molecule H2O?
asked
5 days
ago
in
Chemical bonding
0
votes
1
answer
20
views
What is the effect of varying light intensities on the rate of photochemical reaction of a specific chemical compound?
asked
6 days
ago
in
PhotoChemistry
0
votes
1
answer
32
views
What is the acidity or basicity (pH) of sulfuric acid (H2SO4)? Show the balanced equation for the dissociation of H2SO4 and calculate the concentration of hydrogen ions (H+) in a 0.1M solution of sulfuric acid.
asked
Feb 14
in
Chemical bonding
0
votes
1
answer
27
views
How can the use of chemical fertilizers and pesticides in sustainable agriculture be minimized to reduce their environmental impact?
asked
Feb 13
in
Environmental Chemistry
0
votes
1
answer
46
views
How does the energy transfer process occur between molecules in a gas-phase reaction and what factors affect the rate of this transfer as studied by molecular dynamics simulations in quantum chemistry?
asked
Feb 13
in
Quantum Chemistry
0
votes
1
answer
57
views
What is the type of bonding present in copper sulfate, CuSO4? Is it ionic, covalent, or metallic? Support your answer with an explanation.
asked
Feb 12
in
Inorganic Chemistry
0
votes
1
answer
40
views
Determine the vibrational frequencies and corresponding infrared spectra for a water molecule (H2O) using quantum chemistry calculations. Explain the observed peaks in the IR spectra in terms of the vibrational modes of the molecule.
asked
Feb 4
in
Quantum Chemistry
0
votes
1
answer
43
views
Determine the molecular geometry and bond angles for the molecule CF4 using the VSEPR theory.
asked
Feb 4
in
Quantum Chemistry
0
votes
1
answer
37
views
Calculate the standard enthalpy change of the formation reaction for carbon dioxide (CO2) given the standard enthalpies of formation for carbon monoxide (CO) and oxygen gas (O2) as -110.5 kJ/mol and -249.2 kJ/mol, respectively.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
75
views
What is the bond angle and shape of the water molecule according to the principles of quantum mechanics and molecular structure?
asked
Jan 30
in
Physical Chemistry
0
votes
1
answer
101
views
What is the concentration of iron(II) sulfate in a sample of water taken from a lake, using spectrophotometry with a known molar absorptivity of 11,300 L/mol*cm, if the absorbance of the sample is measured to be 0.423 at a wavelength of 510 nm?
asked
Jan 30
in
Analytical Chemistry
0
votes
1
answer
70
views
A sample of an inorganic compound contains 51.28% sodium, 21.44% sulfur, and 27.28% oxygen by mass. Determine the empirical formula of the compound.
asked
Jan 22
in
Inorganic Chemistry
0
votes
1
answer
32
views
What is the impact of sleep on mental health?
asked
Jan 20
in
Psychology
0
votes
1
answer
74
views
Please evaluate the ethics of using incentives for research participation.
asked
Jan 17
in
Psychology
0
votes
1
answer
11
views
How can AI models be designed to avoid stereotypes and prejudice?
asked
Jan 17
in
Psychology
0
votes
1
answer
11
views
What is a semi-structured interview in qualitative research?
asked
Jan 16
in
Psychology
0
votes
1
answer
74
views
What is the difference between a main effect and an interaction?
asked
Jan 16
in
Psychology
0
votes
1
answer
50
views
What is postmodernism?
asked
Jan 16
in
Psychology
0
votes
1
answer
42
views
When does cognitive load become problematic according to the Cognitive Load Theory?
asked
Jan 15
in
Psychology
0
votes
1
answer
15
views
Who developed the cognitive model of obsessive-compulsive disorder?
asked
Jan 15
in
Psychology
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