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What is the effect of temperature on the equilibrium constant of the reaction between hydrogen gas and iodine gas, and how does the reaction rate change as the temperature is increased or decreased?
asked
3 days
ago
in
Chemical kinetics
0
votes
1
answer
29
views
How can the yield of a chemical reaction be improved using a specific catalyst and reaction conditions in the production of ammonia from nitrogen and hydrogen gases?
asked
3 days
ago
in
Chemical engineering
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votes
1
answer
27
views
What is the effect of pH on the adsorption of proteins on solid surfaces and how can it be utilized to optimize protein immobilization in biosensors?
asked
3 days
ago
in
Surface Chemistry
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votes
1
answer
20
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How does the coordination chemistry of metalloenzymes and metalloproteins influence their catalytic activity and how can this knowledge be used to design new and more efficient enzymes for industrial and medical applications?
asked
6 days
ago
in
Coordination Chemistry
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votes
1
answer
27
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What is the effect of the chemical structure of dyes and pigments on their photochemical properties, specifically their absorption spectra and photostability under UV radiation?
asked
Feb 18
in
PhotoChemistry
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votes
1
answer
38
views
What are the chemical constituents present in landfill leachate and how do they impact the quality of groundwater in the surrounding area?
asked
Feb 13
in
Environmental Chemistry
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votes
1
answer
39
views
How does histone acetylation promote transcriptional activation of a gene in DNA-protein interactions and regulation? Provide a detailed explanation including the chemical mechanisms involved in the process.
asked
Feb 13
in
BioChemistry
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votes
1
answer
36
views
What is the relationship between a molecule and its enantiomer in terms of chirality, and how can their properties differ? Provide an example of two enantiomers with differing properties.
asked
Feb 13
in
Organic Chemistry
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votes
1
answer
40
views
What are the mechanisms of DNA-protein interactions and how they regulate gene expression in living organisms?
asked
Feb 12
in
BioChemistry
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votes
1
answer
34
views
How can the recovery of valuable metals like gold, silver, and copper from electronic waste be optimized in a chemical engineering system?
asked
Feb 10
in
Chemical engineering
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votes
1
answer
61
views
What is the effect of changing the size and shape of quantum dots and quantum wells on their electronic and optical properties, and how can these changes be calculated using quantum chemistry methods?
asked
Feb 3
in
Quantum Chemistry
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votes
1
answer
69
views
What are some effective study strategies for a chemistry student to better prepare for exams and overcome the challenge of inadequate preparation?
asked
Jan 30
in
Chemical education
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votes
1
answer
57
views
How can UV-Vis spectroscopy be used to identify the presence of specific functional groups in a compound, such as alcohols or carbonyls, and what are the key features in the UV-Vis spectra that indicate the presence of these functional groups?
asked
Jan 29
in
Analytical Chemistry
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votes
1
answer
53
views
Calculate the enthalpy of desorption for water molecules from the surface of a silica gel at a temperature of 25°C using the following information:- The vapor pressure of water at 25°C is 3.17 kPa.- The surface area of the silica gel is 25 cm².- The mass of the silica gel used in the experiment is 2.5 g.
asked
Jan 23
in
ThermoChemistry
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votes
1
answer
67
views
A student wants to know the equilibrium concentration of hydrogen gas and nitrogen gas at a particular temperature and pressure when they are mixed in a container in a 2:1 ratio. The student also wants to calculate the equilibrium constant of the reaction when nitrogen and hydrogen form ammonia. Can you help the student by designing a step-by-step procedure to find the equilibrium concentrations and equilibrium constant at the given conditions?
asked
Jan 22
in
Physical Chemistry
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votes
1
answer
51
views
Balance the following chemical equation for the reaction between iron (II) sulfide and hydrochloric acid:FeS + HCl → FeCl2 + H2S
asked
Jan 21
in
Inorganic Chemistry
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votes
1
answer
59
views
Compare and contrast the biological and psychosocial models of mental illness.
asked
Jan 20
in
Psychology
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votes
1
answer
68
views
According to Situational Leadership Theory, how does a leader adapt their style to match the situation?
asked
Jan 20
in
Psychology
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votes
1
answer
75
views
What is the role of metacognition in cognitive development?
asked
Jan 20
in
Psychology
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votes
1
answer
42
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Who developed the information-motivation-behavioural skills model?
asked
Jan 20
in
Psychology
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