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What chemical reactions occur in the signal transduction pathway responsible for the release of insulin from pancreatic beta cells?
asked
1 day
ago
in
BioChemistry
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votes
1
answer
35
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What is the predicted effect of increasing the pH of a redox reaction between hydrogen peroxide and potassium permanganate on the equilibrium position? Explain your answer with balanced chemical equation and the corresponding redox half-reactions.
asked
1 day
ago
in
Chemical equilibrium
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votes
1
answer
21
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How does the rate of photochemical reaction change with varying light intensities in a given photochemical system?
asked
4 days
ago
in
PhotoChemistry
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1
answer
30
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How does the presence of chlorofluorocarbons (CFCs) in the atmosphere contribute to the depletion of the ozone layer, and what are the potential consequences of continued depletion on air quality and human health?
asked
4 days
ago
in
Environmental Chemistry
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votes
1
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34
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What are the key properties that make polymer-based electronic materials suitable for use in flexible and portable electronic devices?
asked
Feb 14
in
Polymer Chemistry
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1
answer
32
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What is the role of metal ions in metalloenzymes and metalloproteins, and how does their coordination chemistry affect their function? Provide specific examples to support your answer.
asked
Feb 13
in
Coordination Chemistry
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1
answer
9
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How can we design a drug that targets only Gram-positive bacteria while leaving Gram-negative bacteria unharmed?
asked
Feb 12
in
Medicinal Chemistry
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1
answer
8
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How does the chirality of a molecule affect its photochemical properties? Specifically, what is the difference in photoexcitation behavior between enantiomers of a chiral molecule and how does this impact its reactivity in photochemical reactions?
asked
Feb 12
in
PhotoChemistry
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votes
1
answer
34
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How can chemistry students be given more exposure to current research in the field, and what benefits would this have for their learning and future careers? What strategies and methods could be used to incorporate current research into chemistry education at the high school or undergraduate level?
asked
Feb 4
in
Chemical education
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1
answer
33
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How can chemistry educators incorporate comprehensive safety protocols in their lab curriculum to increase students' awareness and adherence to safe practices?
asked
Feb 4
in
Chemical education
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1
answer
59
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Calculate the standard enthalpy change for the combustion of methane gas (CH4) given the balanced chemical equation:CH4(g) + 2O2(g) -> CO2(g) + 2H2O(l)The relevant standard enthalpies of formation are:ΔHf°[CH4(g)] = -74.87 kJ/molΔHf°[CO2(g)] = -393.5 kJ/molΔHf°[H2O(l)] = -285.8 kJ/mol
asked
Feb 3
in
Chemical thermodynamics
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votes
1
answer
49
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How does changing the reactant concentration affect the rate constant of a complex reaction mechanism, and can this relationship be used to predict changes in the overall reaction rate?
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Feb 3
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Chemical kinetics
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1
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71
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How can the concentration of a certain metal ion be determined in a given sample using polarography, and how does the choice of supporting electrolyte affect the precision and accuracy of the results?
asked
Jan 29
in
Analytical Chemistry
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1
answer
56
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How can Raman spectroscopy be used to identify the presence of a particular compound in a given sample of unknown material, and what are the steps involved in performing such an analysis?
asked
Jan 29
in
Analytical Chemistry
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1
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68
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Calculate the corrosion potential of iron (Fe) in a 1 M solution of hydrochloric acid (HCl) at 25°C, given that the standard reduction potential of Fe is -0.44 V and the standard reduction potential of HCl is 1.36 V. What is the likelihood of iron corroding in this environment?
asked
Jan 23
in
ElectroChemistry
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1
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75
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What is the pH of a solution that contains 0.1 M hydrochloric acid, HCl?
asked
Jan 22
in
Inorganic Chemistry
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1
answer
50
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Why is the social learning theory of aggression important to psychology?
asked
Jan 20
in
Psychology
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1
answer
54
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What is the just-world theory?
asked
Jan 15
in
Psychology
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1
answer
12
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What is the significance of having a research question that is testable?
asked
Jan 15
in
Psychology
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1
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25
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What is the difference between a perceptual illusion and a hallucination?
asked
Jan 14
in
Psychology
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