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How do the photochemical properties of lanthanide complexes differ from other transition metal complexes? Provide a detailed explanation of the factors that contribute to these differences and their potential applications in photochemical processes.
asked
Feb 22
in
PhotoChemistry
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votes
1
answer
34
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How does the pH of the reaction mixture affect the rate of the reaction between hydrochloric acid and magnesium ribbon?
asked
Feb 22
in
Chemical kinetics
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votes
1
answer
34
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What is the effect of temperature on solubility of solid solutes in aqueous solutions? Provide an example with experimental data.
asked
Feb 20
in
Physical Chemistry
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votes
1
answer
25
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How does the addition of clay nanoparticles affect the mechanical properties of a polymer matrix in a polymer nanocomposite?
asked
Feb 17
in
Polymer Chemistry
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votes
1
answer
52
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How does increasing the pressure affect the equilibrium position in a chemical reaction that involves gases? Provide an example of such a reaction and explain how the equilibrium constant would be affected by the change in pressure.
asked
Feb 13
in
Chemical equilibrium
0
votes
1
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64
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What type(s) of isomerism can be observed in the molecule C6H12? Draw the structures of any isomers that can be formed and explain the type(s) of isomerism present in each.
asked
Feb 13
in
Chemical bonding
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1
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60
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How can the yield of the food additive production process be improved? What changes can be made to optimize the production process without compromising the quality of the food additive?
asked
Feb 13
in
Chemical engineering
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1
answer
66
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How can we design a new drug for cancer treatment that targets a specific protein or pathway in cancer cells, while minimizing toxicity to healthy cells?
asked
Feb 12
in
Medicinal Chemistry
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1
answer
73
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How do the coordination chemistry principles of chelation therapy affect the ability of the chelating agent to selectively bind with a target metal ion in the body and remove it effectively?
asked
Feb 12
in
Coordination Chemistry
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votes
1
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34
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How can molecular docking studies be utilized to identify potential lead compounds for drug discovery in the treatment of Alzheimer's disease using acetylcholinesterase inhibitors as the target protein?
asked
Feb 5
in
Computational Chemistry
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79
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Determine the standard enthalpy change for the reaction between calcium oxide and hydrochloric acid, given the following information:CaO(s) + 2HCl(aq) → CaCl2(aq) + H2O(l)∆Hf° CaCl2(aq) = -795.7 kJ/mol∆Hf° H2O(l) = -285.8 kJ/mol∆Hc° = -1922.6 kJ/mol
asked
Feb 4
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Chemical thermodynamics
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1
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76
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Calculate the standard enthalpy change for the formation of ammonia gas from nitrogen gas and hydrogen gas using Hess's Law, given the following equations and their corresponding enthalpy changes:N2(g) + 3H2(g) → 2NH3(g) ∆H = -92.4 kJ/molN2(g) → 2N(g) ∆H = 941 kJ/molH2(g) → 2H(g) ∆H = 436 kJ/mol
asked
Feb 3
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ThermoChemistry
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1
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95
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What will happen to the equilibrium of the reaction: N2(g) + 3H2(g) ⇌ 2NH3(g) if we add more nitrogen gas to the system? Use Le Chatelier's principle to predict the direction of shift and explain your answer.
asked
Jan 30
in
Chemical reactions
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1
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96
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What functional groups are present in the given compound as shown in its infrared spectrum?
asked
Jan 30
in
Analytical Chemistry
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1
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84
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How can we use Raman spectroscopy to identify the presence of a specific organic compound in a complex mixture of compounds, such as in a sample obtained from an environmental sample?
asked
Jan 30
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Analytical Chemistry
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1
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71
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How can the concentration of sodium ions in a given sample be quantified using potentiometry?
asked
Jan 29
in
Analytical Chemistry
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1
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72
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Calculate the enthalpy change of adsorption when 2.5 moles of nitrogen gas are adsorbed onto 10 g of activated charcoal at 298 K, given that the pressure of nitrogen gas is 1.0 atm. The molar mass of nitrogen is 28 g/mol, and the initial pressure of nitrogen is 0.5 atm.
asked
Jan 23
in
ThermoChemistry
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36
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How did the Stanford prison experiment manipulate participants' roles?
asked
Jan 20
in
Psychology
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1
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49
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What criticisms have been lodged against social identity theory?
asked
Jan 16
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Psychology
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1
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54
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Who proposed the theory of self-determination?
asked
Jan 15
in
Psychology
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