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Answers by Kenneth76952
0
votes
35
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How does the size and shape of a nanoparticle affect its behavior in a specific solvent in a molecular dynamics simulation?
answered
Feb 24
in
Computational Chemistry
0
votes
28
views
How does the presence of chiral centers in a molecule affect its photochemical properties, and what is the mechanism behind this effect?
answered
Feb 22
in
PhotoChemistry
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27
views
How does the wavelength of light affect the efficiency of a photochemical reaction? Use experimental data to compare the efficiency of a photochemical reaction using light with a wavelength of 400 nm and a wavelength of 500 nm.
answered
Feb 20
in
Physical Chemistry
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votes
27
views
What is the effect of varying the reactant orientation on the reaction rate between solution A and solution B?
answered
Feb 20
in
Chemical kinetics
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35
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What is the rate constant k for the decomposition of N2O5 (g) to NO2(g) and O2(g) at 250°C if the initial concentration of N2O5 is 0.10 M and the half-life for the reaction is 120 seconds?
answered
Feb 19
in
Physical Chemistry
0
votes
38
views
What factors contribute to the stability of inorganic compounds and how do these factors affect the compound's structure and reactivity?
answered
Feb 14
in
Inorganic Chemistry
0
votes
27
views
How can the use of nanocarriers in drug delivery systems be optimized to achieve improved efficacy and minimize toxicity?
answered
Feb 14
in
Medicinal Chemistry
0
votes
36
views
Suppose you are given two molecules, molecule A with a single bond and molecule B with a triple bond. Using your knowledge of chemical bonding, predict which molecule will have a higher bond strength and explain why.
answered
Feb 13
in
Chemical bonding
0
votes
71
views
How does inadequate training for chemistry teachers impact the learning outcomes of students in high school chemistry classes?
answered
Feb 13
in
Chemical education
0
votes
52
views
How can the critical temperature (Tc) of superconducting materials be improved through the modulation of the crystal structure and composition of the material?
answered
Feb 6
in
Materials Chemistry
0
votes
40
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How can industrial waste disposal practices be modified to minimize their negative impact on the environment? Provide recommendations based on chemical properties and reactions of the waste, as well as best practices for disposal methods.
answered
Feb 5
in
Environmental Chemistry
0
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79
views
Calculate the standard enthalpy change for the reaction where 250 mL of 2M HCl is mixed with 500 mL of 1M NaOH, assuming that the specific heat capacity of the resulting solution is 4.18 J/g°C and the density of the solution is 1.00 g/mL. (Hint: The balanced chemical equation for the reaction is HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l))
answered
Feb 3
in
Chemical thermodynamics
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votes
83
views
What is the relative percentage composition of a mixture containing benzene, toluene, and xylene using gas chromatography?
answered
Jan 31
in
Analytical Chemistry
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votes
105
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How can educators incorporate more practical applications of chemistry into their teaching to better prepare students for real-world scenarios in the field?
answered
Jan 30
in
Chemical education
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votes
112
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How can X-ray fluorescence spectroscopy be used to identify the presence of specific elements in a rock sample collected from a potential mining site?
answered
Jan 30
in
Analytical Chemistry
0
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76
views
Calculate the enthalpy change (in kJ/mol) for the ionization of magnesium, given that the first ionization energy of magnesium is 738 kJ/mol and the second ionization energy is 1450 kJ/mol.
answered
Jan 23
in
ThermoChemistry
0
votes
66
views
According to the diathesis-stress model, what causes mental illness?
answered
Jan 17
in
Psychology
0
votes
80
views
What is the focus of Erikson's stage of identity versus confusion?
answered
Jan 15
in
Psychology
0
votes
66
views
What does the Gestalt theory postulate?
answered
Jan 15
in
Psychology
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65
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What is the theory of bottom-up processing?
answered
Jan 15
in
Psychology
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