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What is the reaction mechanism and rate constant for the reaction of methane with chlorine gas to form methyl chloride and hydrogen chloride gas under standard conditions, based on quantum chemical calculations using density functional theory?
asked
3 days
ago
in
Computational Chemistry
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votes
1
answer
19
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How does the number of layers of graphene affect its conductivity and other electronic properties, and what is the ideal number of layers for its use in electronic devices?
asked
3 days
ago
in
Materials Chemistry
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votes
1
answer
20
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What is the molecular geometry and polarity of the compound XeF4?
asked
4 days
ago
in
Inorganic Chemistry
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votes
1
answer
29
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How does the coordination chemistry of zinc in the active site of carbonic anhydrase enzyme contribute to its enzymatic activity and specificity towards CO2 hydration?
asked
6 days
ago
in
Coordination Chemistry
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votes
1
answer
24
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What is the bond dissociation energy of a H-H bond in H2 molecule in kJ/mol, given that the bond length of H-H is 74 pm and the energy required to dissociate the bond is 432 kJ/mol?
asked
Feb 18
in
Chemical bonding
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votes
1
answer
27
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What factors affect the rate of inorganic reactions and how can they be manipulated to increase or decrease the rate of the reaction?
asked
Feb 14
in
Inorganic Chemistry
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1
answer
35
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What polymers can be used to make pressure-sensitive adhesives, and how do their structures and properties affect their adhesion capabilities?
asked
Feb 14
in
Polymer Chemistry
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votes
1
answer
40
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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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votes
1
answer
9
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How can the knowledge of enzymatic mechanisms and metabolic pathways be applied to design drugs for treating metabolic disorders such as diabetes or obesity? Specifically, what properties or strategies should be considered in order to develop drugs that can selectively target and modulate key enzymes or metabolic pathways involved in disease pathophysiology?
asked
Feb 7
in
Medicinal Chemistry
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votes
1
answer
47
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How can magnetic resonance spectroscopy be used to determine the purity and concentration of a sample of aspirin? Provide a step-by-step explanation of the process and discuss the factors that can affect the accuracy of the results.
asked
Feb 5
in
Physical Chemistry
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votes
1
answer
35
views
How can chemistry teachers effectively integrate technology into their classroom to enhance student learning and engagement?
asked
Feb 5
in
Chemical education
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votes
1
answer
47
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Determine the equilibrium constant, Kc, for the reaction between iodine and thiosulfate ions in aqueous solution, given the initial concentrations of iodine (0.02 M), thiosulfate (0.05 M), and hydrogen ions (0.1 M). The reaction is as follows:I2(aq) + 2S2O3^2-(aq) + 2H+(aq) ⇌ 2I^-(aq) + S4O6^2-(aq) Assume that the reaction takes place at 25°C and that the reaction quotient Qc has a value of 0.04 at equilibrium.
asked
Feb 4
in
Chemical equilibrium
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1
answer
10
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Design a process for the large-scale production of hydrogen peroxide with high purity and yield, taking into consideration the environmental and economic factors.
asked
Feb 4
in
Chemical engineering
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votes
1
answer
47
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Calculate the standard enthalpy change for the following reaction: 2NaOH(aq) + H2SO4(aq) → Na2SO4(aq) + 2H2O(l) Given the following information: - The standard enthalpy of formation of NaOH(aq) is -469.20 kJ/mol - The standard enthalpy of formation of H2SO4(aq) is -814.50 kJ/mol - The standard enthalpy of formation of Na2SO4(aq) is -1388.10 kJ/mol Note: Make sure to balance the equation and use Hess's Law if necessary.
asked
Feb 3
in
Chemical thermodynamics
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1
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83
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What is the systematic name of the following organic compound? CH3CH2CH(Cl)CH(OH)CH3
asked
Jan 21
in
Organic Chemistry
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1
answer
52
views
Why is the positive psychology theory important to psychology?
asked
Jan 20
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Psychology
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votes
1
answer
33
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According to the evolutionary approach, why do we form relationships?
asked
Jan 20
in
Psychology
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votes
1
answer
45
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Please compare the biological and psychological theories of addiction.
asked
Jan 20
in
Psychology
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votes
1
answer
11
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According to social influence theory, what is the role of informational social influence?
asked
Jan 17
in
Psychology
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votes
1
answer
55
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How does biopsychology approach studying memory?
asked
Jan 17
in
Psychology
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