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0
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38
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How does the size and shape of metal ions affect the structure and stability of metal-organic frameworks?
answered
Feb 24
in
Computational Chemistry
0
votes
28
views
How do the physical properties of ionic liquids change with variations in their molecular structure?
answered
Feb 22
in
Physical Chemistry
0
votes
44
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What is the mechanism of synthesis of pyridine via the Hantzsch pyridine synthesis method, and how does the addition of a catalytic amount of iodine to the reaction mixture impact the yield and purity of the product?
answered
Feb 20
in
Organic Chemistry
0
votes
32
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What is the equilibrium constant expression for the following reaction at 298 K?H2(g) + I2(g) ⇌ 2HI(g)
answered
Feb 20
in
Physical Chemistry
0
votes
30
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What is the coordination sphere of the zinc ion in the active site of carbonic anhydrase enzyme? How does the coordination sphere contribute to the enzyme's catalytic activity in converting carbon dioxide to bicarbonate?
answered
Feb 19
in
Coordination Chemistry
0
votes
40
views
What is the effect of temperature and pH on the surface tension of lipid bilayers in biomembranes?
answered
Feb 17
in
Surface Chemistry
0
votes
38
views
How can we optimize the production of a specific flavor using chemical engineering principles and design a system that is both efficient and cost-effective?
answered
Feb 14
in
Chemical engineering
0
votes
61
views
How does the composition and structure of lipoproteins affect their role in lipid transport and metabolism in the human body?
answered
Feb 13
in
BioChemistry
0
votes
41
views
How does the insulin hormone regulate the transport and utilization of fatty acids in the body for energy production? What is the mechanism behind insulin signaling in adipose tissue and liver cells, and how does it influence lipid metabolism?
answered
Feb 13
in
BioChemistry
0
votes
71
views
What type of hybrid orbitals are present in the molecule CH4 (methane)?
answered
Feb 13
in
Chemical bonding
0
votes
119
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What is the effect of doping on the electrical conductivity of semiconductor materials used in electronic devices?
answered
Feb 12
in
Materials Chemistry
0
votes
35
views
How can the magnetic properties of different materials be investigated and optimized for their use in data storage systems?
answered
Feb 7
in
Materials Chemistry
0
votes
41
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How can computational studies help in predicting the formation and stability of supramolecular complexes in solution?
answered
Feb 5
in
Computational Chemistry
0
votes
70
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Calculate the standard enthalpy change for the sublimation of iodine solid to iodine gas at 298 K with the following given data: - Standard enthalpy of fusion of iodine: 15.52 kJ/mol- Standard molar entropy of iodine solid: 62.7 J/K/mol- Standard molar entropy of iodine gas: 260.6 J/K/mol
answered
Feb 3
in
Chemical thermodynamics
0
votes
80
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What is the vibrational frequency of carbon dioxide (CO2) using infrared spectroscopy?
answered
Jan 31
in
Physical Chemistry
0
votes
35
views
How does air pollution in urban areas vary by season, and what are the key pollutants responsible for adverse health impacts on residents?
answered
Jan 31
in
Environmental Chemistry
0
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114
views
What is the composition of a sample solution of caffeine and aspirin using high-performance liquid chromatography (HPLC) with a C18 column and a mobile phase of acetonitrile and water containing 0.1% trifluoroacetic acid at a flow rate of 1 mL/min?
answered
Jan 30
in
Analytical Chemistry
0
votes
118
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A chemistry student needs to determine the enthalpy of oxidation of magnesium. For this, they need to conduct an experiment in which they react 1 gram of magnesium metal with excess hydrochloric acid of 2 moles concentration. They need to measure the temperature change that occurs during the reaction, which they will use to calculate the enthalpy of oxidation of magnesium. What is the enthalpy of oxidation of magnesium according to the student's experiment?
answered
Jan 22
in
ThermoChemistry
0
votes
53
views
What is linguistic coding?
answered
Jan 20
in
Psychology
0
votes
53
views
What is the cause of borderline personality disorder?
answered
Jan 20
in
Psychology
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