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20
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What is the relationship between the electronic and magnetic properties of metal-organic frameworks and their geometric structure?
answered
2 days
ago
in
Quantum Chemistry
0
votes
30
views
How does surface modification of polymers affect their biocompatibility and cytotoxicity properties?
answered
Feb 17
in
Surface Chemistry
0
votes
28
views
How does surface modification of biomaterials affect their interaction with cells and tissues? Provide relevant examples and explain the underlying chemistry principles behind these modifications.
answered
Feb 17
in
Surface Chemistry
0
votes
39
views
How does exposure to nitrogen oxides and sulfur dioxide in polluted air affect respiratory health in humans?
answered
Feb 13
in
Environmental Chemistry
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votes
35
views
How can the prediction of electronic and magnetic properties of metal-organic frameworks be optimized using quantum chemistry methods?
answered
Feb 10
in
Quantum Chemistry
0
votes
33
views
How can the optical properties of a polymer material be altered by manipulating its chemical structure?
answered
Feb 10
in
Polymer Chemistry
0
votes
33
views
How can the electrical conductivity of conductive polymers be optimized for use in flexible electronics, while maintaining the desired mechanical properties of the material?
answered
Feb 7
in
Materials Chemistry
0
votes
25
views
How can chemistry students overcome the challenge of limited availability of chemistry-related internships and job opportunities?
answered
Feb 5
in
Chemical education
0
votes
34
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Calculate the standard enthalpy change for the sublimation of iodine (I2) if 1 mole of I2(s) is converted to 1 mole of I2(g) at 25°C and 1 bar pressure. Given the following information:- The standard enthalpy of fusion of I2 is 15.4 kJ/mol- The standard enthalpy of vaporization of I2 is 41.3 kJ/mol- The standard entropy change for the sublimation of I2 is 62.4 J/mol K.
answered
Feb 3
in
Chemical thermodynamics
0
votes
45
views
Calculate the standard enthalpy change for the phase transition reaction of solid water (ice) at -10°C into liquid water at 25°C if the enthalpy of fusion of ice is 6.01 kJ/mol and the specific heat capacity of ice and liquid water are 2.09 J/g°C and 4.18 J/g°C, respectively.
answered
Feb 3
in
Chemical thermodynamics
0
votes
73
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How can a chemistry student effectively conduct experiments and learn practical skills with limited access to laboratory equipment and facilities?
answered
Jan 30
in
Chemical education
0
votes
78
views
What is the concentration of a copper (II) sulfate solution if its absorbance value at 620 nm is 0.45? Use a standard calibration curve with known concentrations of copper (II) sulfate and their corresponding absorbance values to determine the unknown concentration of the solution using colorimetry.
answered
Jan 30
in
Analytical Chemistry
0
votes
58
views
How can the concentration of lead in a water sample be determined using atomic absorption spectroscopy and what factors may affect the accuracy of the measurement?
answered
Jan 29
in
Analytical Chemistry
0
votes
27
views
What is the visual cliff experiment according to the depth perception theory?
answered
Jan 20
in
Psychology
0
votes
61
views
According to Jung's analytic psychology, what is the collective unconscious?
answered
Jan 20
in
Psychology
0
votes
37
views
Who developed the fear-avoidance model of chronic pain?
answered
Jan 16
in
Psychology
0
votes
41
views
How can discursive psychology be used to challenge dominant discourses?
answered
Jan 16
in
Psychology
0
votes
12
views
Why is naturalistic observation important for evaluating animal psychology?
answered
Jan 16
in
Psychology
0
votes
29
views
What is the prevalence of eating disorders?
answered
Jan 15
in
Psychology
0
votes
38
views
What are the key cognitive changes during adolescence?
answered
Jan 14
in
Psychology
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