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Answers by Latonya89F54
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What is the mechanism for the preparation of 4-bromoacetanilide from acetanilide and bromine, and how does the mechanism differ from the preparation of aniline from nitrobenzene?
answered
Feb 22
in
Chemical synthesis
0
votes
32
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How does the photochemical properties of the active layer in photovoltaic cells affect the efficiency of the cell's conversion of sunlight to electrical energy?
answered
Feb 22
in
PhotoChemistry
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31
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How does the photochemical property of phosphorescent materials affect their efficiency in converting light energy to chemical energy?
answered
Feb 22
in
PhotoChemistry
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votes
29
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What is the coordination number and structure for the complex [UO2(C2O4)(H2O)2]2-? How does the size of the ligands affect the coordination number and structure of the complex for lanthanide and actinide ions?
answered
Feb 19
in
Coordination Chemistry
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votes
117
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What factors affect the rate of ligand substitution reactions in coordination chemistry? How do these factors influence the reaction mechanism and the overall outcome of the reaction? Provide a detailed explanation with specific examples.
answered
Feb 13
in
Coordination Chemistry
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votes
93
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What is the rate constant for the conversion of cyclopropane to propene if it follows first-order kinetics and has a rate of 4.67 x 10^-4 s^-1 at 25°C?
answered
Feb 13
in
Chemical kinetics
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41
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How can the adhesion properties of a polymer be improved to enhance its bonding to specific surfaces, such as metals or glass, for industrial applications?
answered
Feb 6
in
Polymer Chemistry
0
votes
87
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Calculate the number of electrons transferred when a solution containing 0.50 mol of HCl reacts with 0.50 mol of NaOH in a redox reaction.
answered
Jan 30
in
ElectroChemistry
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80
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Calculate the enthalpy change (ΔH) for the dissolution of 10 grams of NaOH in 100 mL of water, given that the final temperature after mixing is 28°C and the initial temperature of water was 25°C. The specific heat capacity of water is 4.18 J/g°C. The molar mass of NaOH is 40.00 g/mol and the enthalpy of dissolution for NaOH is -44.51 kJ/mol.
answered
Jan 23
in
ThermoChemistry
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74
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Calculate the area per molecule occupied by a monolayer of n-octadecane molecules adsorbed at the air-water interface assuming a surface pressure of 20 mN/m. The molecular weight of n-octadecane is 284.54 g/mol and its molecular area in the liquid phase is 0.219 nm². Use the Langmuir adsorption isotherm equation to solve the problem.
answered
Jan 23
in
Surface Chemistry
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94
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Assuming a standard hydrogen electrode is used as the reference electrode and a copper electrode is used as the working electrode in an electrochemical cell, calculate the polarization potential when the current density on the copper electrode is 0.5 mA/cm^2 and the concentration of Cu2+ in the solution is 0.1 M.
answered
Jan 22
in
ElectroChemistry
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94
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How do the coordination chemistry principles of chelation therapy contribute to the removal of toxic metal ions from the human body?
answered
Jan 22
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Coordination Chemistry
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79
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Can social identity theory explain prejudice and discrimination?
answered
Jan 20
in
Psychology
0
votes
74
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According to Hubel and Wiesel's research on receptive fields, what happens when a bar of light is presented to a receptive field of a visual neuron?
answered
Jan 20
in
Psychology
0
votes
89
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When was the first Diagnostic and Statistical Manual of Mental Disorders DSM released?
answered
Jan 20
in
Psychology
0
votes
92
views
What is the role of training in improving mental rotation ability?
answered
Jan 20
in
Psychology
0
votes
130
views
How do multicultural psychologists help individuals understand their experiences within diverse groups?
answered
Jan 20
in
Psychology
0
votes
74
views
According to gender schema theory, how do individuals acquire gender information?
answered
Jan 17
in
Psychology
0
votes
118
views
According to the trichromatic theory, why do we perceive yellow when we see light with equal amounts of red and green wavelengths?
answered
Jan 17
in
Psychology
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45
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How does the genetic basis of behaviour contribute to the evaluation of animal psychology?
answered
Jan 16
in
Psychology
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