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0
votes
1
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29
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How does the shape and size of a gold nanoparticle influence its stability and reactivity in a molecular dynamic simulation?
asked
Feb 24
in
Computational Chemistry
0
votes
1
answer
31
views
What is the effect of increasing the temperature on the equilibrium constant of the reaction between hydrogen gas and iodine gas to form hydrogen iodide gas?
asked
Feb 22
in
Chemical kinetics
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1
answer
34
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How does the intensity of the infrared spectrum produced by a molecule change when the molecule undergoes a bond vibration?
asked
Feb 20
in
Physical Chemistry
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1
answer
27
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What is the heat of sublimation for dry ice (solid carbon dioxide) given that its enthalpy of fusion is 9.2 kJ/mol and its enthalpy of vaporization is 25.1 kJ/mol?
asked
Feb 20
in
ThermoChemistry
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votes
1
answer
30
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What is the electronegativity difference between a carbon atom and an oxygen atom in a molecule of carbon dioxide?
asked
Feb 20
in
Chemical bonding
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1
answer
45
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How does the catalyst's metal surface composition and structure affect the selectivity and efficiency of the oxidation of which type of hydrocarbon?
asked
Feb 18
in
Surface Chemistry
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votes
1
answer
35
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What is the balanced chemical equation for the double replacement reaction between sodium chloride and silver nitrate, and what are the spectator ions in the reaction?
asked
Feb 17
in
Chemical reactions
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votes
1
answer
41
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How does surface modification of polymers affect the adhesive properties of adhesives made from these modified polymers, and how can this be utilized in various applications?
asked
Feb 17
in
Surface Chemistry
0
votes
1
answer
32
views
What is the role of metal ions in the mechanism of metalloenzymes? Please provide specific examples of metalloenzymes and their corresponding metal ion cofactors.
asked
Feb 13
in
Coordination Chemistry
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votes
1
answer
66
views
What is the hybridization of the sulfur atom in SF6 molecule?
asked
Feb 13
in
Inorganic Chemistry
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votes
1
answer
44
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How can the electric double layer be manipulated to control the colloidal stability of a sol?
asked
Feb 7
in
Surface Chemistry
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votes
1
answer
35
views
How can chemistry students be educated about the importance of safety protocols in the laboratory to reduce the number of accidents caused by insufficient emphasis on safety?
asked
Feb 4
in
Chemical education
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votes
1
answer
47
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How can chemical modifications be made to existing drugs to improve their efficacy in treating gastrointestinal diseases such as inflammatory bowel disease and gastroesophageal reflux disease?
asked
Feb 4
in
Medicinal Chemistry
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1
answer
73
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Calculate the standard Gibbs free energy change for the electrochemical cell reaction using the given half-reactions:Cu^2+(aq) + 2 e^- → Cu(s) E° = +0.34 VSn^4+(aq) + 2 e^- → Sn^2+(aq) E° = +0.15 VConstruct the cell diagram and identify the anode and cathode. Determine the overall cell potential and whether the reaction is spontaneous.
asked
Feb 3
in
ElectroChemistry
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votes
1
answer
69
views
How do chaperone proteins assist in the folding of newly synthesized proteins, and what are the consequences of improper protein folding?
asked
Feb 3
in
BioChemistry
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votes
1
answer
100
views
How do the properties of ceramics change at high temperatures, and what makes them suitable for use in high-temperature applications such as gas turbine engines and furnace linings?
asked
Jan 31
in
Materials Chemistry
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votes
1
answer
94
views
What is the dipole moment of carbon dioxide (CO2) molecule? How does its polar nature affect its physical properties?
asked
Jan 31
in
Chemical bonding
0
votes
1
answer
85
views
What are some common misconceptions or misunderstandings that students have when learning about the periodic table and chemical elements, and how can these be addressed and overcome through effective chemical education techniques?
asked
Jan 30
in
Chemical education
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1
answer
89
views
A chemistry student wants to know the specific heat capacity of aluminum. The student has an aluminum block weighing 100 grams at a temperature of 20°C. The student heats the block until its temperature reaches 90°C by adding 500 Joules of heat. What is the specific heat capacity of aluminum?
asked
Jan 22
in
ThermoChemistry
0
votes
1
answer
105
views
What is the major product formed after the elimination of HBr from but-1-ene in the presence of a strong base? Write the balanced chemical equation for the reaction.
asked
Jan 21
in
Organic Chemistry
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