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How does the regulation of enzymes involved in lipid metabolism affect cell signaling pathways in diseases such as obesity and diabetes?
answered
1 day
ago
in
BioChemistry
0
votes
4
views
What is the optimal temperature and duration required for the preparation of p-nitroaniline from aniline and nitric acid to achieve maximum yield?
answered
3 days
ago
in
Chemical synthesis
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17
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How does the orientation and arrangement of atoms in a molecule affect its electrical conductivity and charge transport properties in nanoscale systems, and how can this be studied using quantum transport models?
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3 days
ago
in
Quantum Chemistry
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23
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What is the optimum reaction temperature and time required for the synthesis of nylon-6,6 from adipic acid and hexamethylenediamine?
answered
3 days
ago
in
Chemical synthesis
0
votes
21
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What is the effect of the excitation wavelength on the fluorescence emission of a specific molecule or material?
answered
5 days
ago
in
Quantum Chemistry
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31
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What is the dipole moment of the molecule CHCl3 and in which direction does it point?
answered
6 days
ago
in
Chemical bonding
0
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28
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How does the addition of biodegradable fillers affect the mechanical properties and environmental impact of polymer-based packaging materials?
answered
Feb 17
in
Polymer Chemistry
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32
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How does the application of molecular dynamics simulations aid in the study of protein folding dynamics, and how can the knowledge obtained from these simulations be applied to developing novel therapeutics for protein-misfolding diseases?
answered
Feb 13
in
Computational Chemistry
0
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35
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What is the effect of increasing the pH on the formation of the Cu(NH3)4^2+ complex ion if the initial concentration of Cu2+ and NH3 are 0.1 M and 0.5 M, respectively, assuming a total volume of 500 mL?
answered
Feb 13
in
Chemical equilibrium
0
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58
views
What is the relationship between the size and charge of cations and anions within an ionic compound, and how does this affect the stability of the compound?
answered
Feb 13
in
Inorganic Chemistry
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32
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What are the hybrid orbital types present in the molecule of ethene (C2H4)? Show your work and provide a brief explanation for each hybrid orbital.
answered
Feb 13
in
Chemical bonding
0
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41
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What is the role of disulfide bridges in determining the structure and function of proteins, particularly enzymes? How do variations in the number and placement of disulfide bonds affect enzymatic activity?
answered
Feb 12
in
BioChemistry
0
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9
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How does coordination of transition metal ions in metalloproteins affect their function? Provide at least two examples and explain the role of the metal ion in each case.
answered
Feb 12
in
Coordination Chemistry
0
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41
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How can the mechanical properties of polyurethane synthesized from diisocyanate and polyol be optimized by varying the reaction conditions such as temperature, reaction time or catalyst type?
answered
Feb 10
in
Chemical synthesis
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11
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How can liquid crystals be designed and synthesized to optimize their optical and electro-optical properties for use in high-resolution display technology?
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Feb 6
in
Materials Chemistry
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30
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Determine the standard enthalpy change for the following reaction: 2 Fe (s) + 3/2 O2 (g) → Fe2O3 (s) Given the following data: - ΔHf° of Fe2O3 (s) = -826 kJ/mol - ΔHf° of O2 (g) = 0 kJ/mol - The heat capacity of the calorimeter is 135 J/°C Assume that the reaction takes place at constant pressure and that the heat absorbed by the calorimeter is negligible.
answered
Feb 4
in
Chemical thermodynamics
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votes
34
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Design a system for the safe storage and transportation of hydrochloric acid with a concentration of 37%. Include calculations for the required storage tank size, appropriate materials for construction, necessary safety features, and transportation methods.
answered
Feb 4
in
Chemical engineering
0
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77
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How can the computational chemistry technique of ab initio calculations be used to predict the excited state dynamics in complex molecules and materials?
answered
Jan 30
in
Computational Chemistry
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65
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What strategies can the chemistry industry adopt to increase diversity in their field and promote inclusivity?
answered
Jan 30
in
Chemical education
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57
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Calculate the change in enthalpy for the following chemical reaction: CH4(g) + 2O2(g) -> CO2(g) + 2H2O(l) Given that the enthalpies of formation for CH4(g), CO2(g), and H2O(l) are -74.8 kJ/mol, -393.5 kJ/mol, and -285.8 kJ/mol respectively.
answered
Jan 23
in
Chemical reactions
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