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1
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How does the prediction of electronic and magnetic properties of topological materials impact their potential use in various fields such as electronics and spintronics, and how does quantum chemistry play a role in these predictions?
asked
3 days
ago
in
Quantum Chemistry
0
votes
1
answer
24
views
What is the bond order of the nitrogen molecule (N2) in its ground state?
asked
Feb 18
in
Chemical bonding
0
votes
1
answer
25
views
How does the addition of catalyst X affect the rate of reaction Y at a temperature of Z degrees Celsius?
asked
Feb 17
in
Chemical kinetics
0
votes
1
answer
22
views
What factors affect the rate of the reaction between hydrochloric acid and magnesium ribbon in water, and how can these factors be manipulated to increase or decrease the rate of the reaction?
asked
Feb 14
in
Inorganic Chemistry
0
votes
1
answer
26
views
What is the molecular structure of pyridine and how does its electron density distribution affect its chemical reactivity and properties as a heterocyclic compound?
asked
Feb 14
in
Organic Chemistry
0
votes
1
answer
32
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What is the effect of ligand substitution on the photochemical properties of a transition metal complex?
asked
Feb 13
in
PhotoChemistry
0
votes
1
answer
40
views
What is the chemical mechanism behind CFCs that lead to the destruction of ozone molecules?
asked
Feb 12
in
Environmental Chemistry
0
votes
1
answer
49
views
Consider an electrochemical cell containing a copper electrode in a 0.5 M CuSO4 solution and a silver electrode in a 1.0 M AgNO3 solution. Calculate the current density at a temperature of 25°C given that the copper electrode has a surface area of 5 cm² and the silver electrode has a surface area of 10 cm². The standard reduction potentials for Cu²⁺ and Ag⁺ are -0.34 V and 0.80 V, respectively. Use the Nernst equation to calculate the cell potential and then use Ohm's law to calculate the current density.
asked
Feb 3
in
ElectroChemistry
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votes
1
answer
32
views
Calculate the standard enthalpy change for the reaction: 2C2H5OH(l) + 9O2(g) -> 6CO2(g) + 8H2O(l) given that the standard enthalpy of formation for C2H5OH(l) is -278 kJ/mol, for CO2(g) is -394 kJ/mol and for H2O(l) is -286 kJ/mol.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
60
views
How can the magnetic properties of different materials be analyzed and optimized for efficient data storage applications?
asked
Jan 31
in
Materials Chemistry
0
votes
1
answer
81
views
How can the pH of water affected by acid mine drainage be restored to a safe level for aquatic life?
asked
Jan 30
in
Environmental Chemistry
0
votes
1
answer
57
views
What is the chemical structure of the unknown compound X, which exhibits the NMR spectrum below: - a singlet at δ 1.2 ppm (integral = 3H)- a triplet at δ 1.4 ppm (integral = 2H)- a quartet at δ 2.0 ppm (integral = 2H)- a doublet at δ 2.5 ppm (integral = 3H)- a singlet at δ 7.3 ppm (integral = 1H)
asked
Jan 30
in
Analytical Chemistry
0
votes
1
answer
55
views
How can the concentration of chloride ions in a water sample be measured using potentiometry?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
54
views
How can Raman spectroscopy be used to identify the presence of a specific organic compound in a mixture?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
67
views
A chemistry student needs to determine the dipole moment of a molecule that has three atoms arranged in a linear fashion, where the central atom is a carbon atom and the other two atoms are chlorine atoms. The student must also explain the factors that contribute to the dipole moment of the molecule.
asked
Jan 22
in
Chemical bonding
0
votes
1
answer
78
views
Identify the type of isomerism exhibited by 2-pentene and 2-methylbutene and explain why they are isomers of each other?
asked
Jan 21
in
Organic Chemistry
0
votes
1
answer
26
views
Where was the first study on cognitive bias modification CBM conducted?
asked
Jan 20
in
Psychology
0
votes
1
answer
44
views
What is the relationship between personality and mental rotation?
asked
Jan 20
in
Psychology
0
votes
1
answer
36
views
Where might a feminist psychologist look for the cause of gender-based violence?
asked
Jan 17
in
Psychology
0
votes
1
answer
33
views
Why is the social identity theory criticised?
asked
Jan 16
in
Psychology
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