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Answers by ReinaldoMunz
0
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22
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What is the root cause of difficulty in understanding the periodic table and chemical elements among chemistry students, and how can it be addressed effectively?
answered
1 day
ago
in
Chemical education
0
votes
18
views
How do the photochemical properties of coordination compounds differ from those of organic compounds, and what impact do the coordination number and geometry have on their photochemical behavior?
answered
4 days
ago
in
PhotoChemistry
0
votes
20
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What are the optimal reaction conditions (temperature, time, and stoichiometry) required for the synthesis of polyurethane from diisocyanate and polyol to achieve the desired mechanical properties and maximum yield?
answered
4 days
ago
in
Chemical synthesis
0
votes
31
views
What is the most efficient protecting group strategy for selectively protecting the primary alcohol in a mixture of primary and secondary alcohols during a synthesis reaction?
answered
4 days
ago
in
Organic Chemistry
0
votes
31
views
What are the key enzymes involved in degradation and turnover of proteins within cells, and how do they differ in terms of their mechanism and substrate specificity?
answered
5 days
ago
in
BioChemistry
0
votes
31
views
How does the coordination chemistry of lanthanide and actinide complexes differ from that of other transition metals?
answered
6 days
ago
in
Coordination Chemistry
0
votes
22
views
How does the addition of stabilizing agents affect the stability of oil-in-water emulsions?
answered
Feb 17
in
Surface Chemistry
0
votes
26
views
Identify the types of isomerism present in the complex [Co(NH3)4Cl2]+ and draw their structural formulas.
answered
Feb 13
in
Coordination Chemistry
0
votes
46
views
What is the concentration of copper ions (Cu2+) in a sample of industrial wastewater? Use voltammetry to determine the amount of copper ions present in the sample and calculate the concentration in parts per million (ppm).Note: The student should be familiar with the principles of voltammetry and know how to prepare and analyze samples for this technique.
answered
Jan 30
in
Analytical Chemistry
0
votes
91
views
What is the concentration (in molarity) of a hydrochloric acid solution, HCl, if 25.0 ml of a 0.100 M sodium hydroxide solution, NaOH, was required to neutralize 35.0 ml of the HCl solution during a titration?
answered
Jan 30
in
Analytical Chemistry
0
votes
50
views
How can Raman spectroscopy be used to identify the presence of specific compounds in a complex sample, such as a mixture of organic molecules?
answered
Jan 29
in
Analytical Chemistry
0
votes
54
views
A student wants to produce aluminum oxide (Al2O3) in the lab. Write a balanced chemical equation for the reaction between aluminum and oxygen gas to form aluminum oxide. Calculate how many grams of Al2O3 can be produced from 25 grams of aluminum reacting with excess oxygen gas.
answered
Jan 22
in
Inorganic Chemistry
0
votes
68
views
A 0.50 L vessel contains 1.0 mol of N2(g) and 3.0 mol of H2(g) at equilibrium at 400 K according to the following equation:N2(g) + 3H2(g) ⇌ 2NH3(g)If the volume of the vessel is suddenly decreased to 0.25 L, what will happen to the equilibrium position? Will the concentration of NH3 increase or decrease? Calculate the new equilibrium constant at this new volume.
answered
Jan 22
in
Chemical equilibrium
0
votes
40
views
What are the implications of the interpersonal theory for personality disorders?
answered
Jan 20
in
Psychology
0
votes
52
views
Who is credited with proposing the information-processing model of cognition?
answered
Jan 17
in
Psychology
0
votes
21
views
What is the defensible space theory?
answered
Jan 17
in
Psychology
0
votes
9
views
Compare the relative efficacy and safety of first generation and second-generation antipsychotics.
answered
Jan 16
in
Psychology
0
votes
40
views
What is the difference between androgyny and gender role transcendence?
answered
Jan 16
in
Psychology
0
votes
25
views
What is the difference between bottom-up processing and top-down processing?
answered
Jan 14
in
Psychology
0
votes
44
views
What is a p-value?
answered
Jan 14
in
Psychology
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