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0
votes
1
answer
21
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How does the reaction mechanism affect the rate of the reaction between substance A and substance B?
asked
3 days
ago
in
Chemical kinetics
0
votes
1
answer
25
views
What is the effect of pressure on the reaction rate between nitrogen gas and hydrogen gas to produce ammonia gas at a constant temperature and with a fixed amount of catalyst? How does the reaction rate change as the pressure is varied?
asked
3 days
ago
in
Chemical kinetics
0
votes
1
answer
22
views
What are the factors that influence the phosphorescent properties of organic molecules in photochemistry?
asked
3 days
ago
in
PhotoChemistry
0
votes
1
answer
26
views
What are the effects of temperature and pressure on the phase transition of liquid crystals from nematic to isotropic phase?
asked
3 days
ago
in
Physical Chemistry
0
votes
1
answer
20
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What is the coordination geometry of the metal center in the active site of the metalloenzyme carbonic anhydrase, and how does it contribute to the enzyme's function?
asked
4 days
ago
in
Coordination Chemistry
0
votes
1
answer
23
views
What is the enthalpy change for the ionization of hydrogen atoms in the gas phase, given that the ionization energy of a hydrogen atom is 1312 kJ/mol?
asked
5 days
ago
in
ThermoChemistry
0
votes
1
answer
29
views
How does the choice of exchange-correlation functional affect the accuracy of Density Functional Theory calculations for electronic transport properties in organic semiconductors?
asked
Feb 18
in
Computational Chemistry
0
votes
1
answer
33
views
What is the bond enthalpy of the O-H bond in a water molecule and what is the energy required to break this bond?
asked
Feb 18
in
Chemical bonding
0
votes
1
answer
18
views
What is the effect of temperature and pressure on the adsorption of gases on solid surfaces? Provide a detailed explanation with examples from experimental data.
asked
Feb 17
in
Surface Chemistry
0
votes
1
answer
29
views
How can we optimize the production process of ammonium-based fertilizers to increase yield and reduce energy consumption?
asked
Feb 14
in
Chemical engineering
0
votes
1
answer
37
views
How can we improve the compatibility of polymer blends and enhance their physical properties?
asked
Feb 13
in
Polymer Chemistry
0
votes
1
answer
22
views
How can the magnetic properties of different materials be investigated and optimized for use in data storage devices?
asked
Feb 7
in
Materials Chemistry
0
votes
1
answer
37
views
How can the electrical conductivity of graphene be improved for its use in electronic devices?
asked
Feb 7
in
Materials Chemistry
0
votes
1
answer
26
views
How can Computational chemistry and molecular modeling be used to predict the properties of a new drug candidate?
asked
Feb 6
in
Physical Chemistry
0
votes
1
answer
37
views
How can environmental chemistry concepts be integrated into high school chemistry curriculums to increase student awareness and understanding of the impact of chemistry on the environment?
asked
Feb 5
in
Chemical education
0
votes
1
answer
34
views
Calculate the standard enthalpy change for the dissolution of 10 grams of potassium hydroxide (KOH) in 100 mL of water. Given that the molar enthalpy of dissolution of solid KOH is -57.61 kJ/mol and the density of water is 1 g/mL.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
61
views
What are the vibrational frequencies of carbon dioxide and how do they relate to the molecular geometry of the molecule?
asked
Jan 31
in
Physical Chemistry
0
votes
1
answer
90
views
How does altering the concentrations of reactants and products at equilibrium affect the rate of the forward and reverse reactions in a chemical system?
asked
Jan 31
in
Chemical kinetics
0
votes
1
answer
47
views
How many milligrams of lead are present in a 50 mL water sample with a concentration of 0.05 ppm, determined using atomic absorption spectroscopy with a calibration curve?
asked
Jan 30
in
Analytical Chemistry
0
votes
1
answer
44
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How can electrophoresis be used to determine the purity and concentration of a protein sample?
asked
Jan 29
in
Analytical Chemistry
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