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Answers by FrancineCron
0
votes
48
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How does the presence of reaction intermediates affect the rate of a chemical reaction and what experimental techniques can be used to investigate this effect?
answered
Feb 22
in
Chemical kinetics
0
votes
36
views
What is the coordination geometry of the active site in the metalloprotein hemoglobin? Explain how this geometry allows for the selective binding and release of oxygen in the blood.
answered
Feb 19
in
Coordination Chemistry
0
votes
36
views
What is the influence of the chemical structure of dyes and pigments on their photochemical properties and how can this knowledge be applied to enhance their performance in various applications?
answered
Feb 18
in
PhotoChemistry
0
votes
44
views
What would be the balanced chemical equation for the reaction between sodium hydroxide and hydrochloric acid, and what are the products formed in a double replacement reaction?
answered
Feb 17
in
Chemical reactions
0
votes
15
views
What is the specific chemical structure of RNA and how do the base pairings differ from DNA? How does the structure of RNA contribute to its function within the cell?
answered
Feb 14
in
BioChemistry
0
votes
62
views
What mass of silver chloride (AgCl) can be produced from the reaction between 50 mL of 0.1 M silver nitrate (AgNO3) and 100 mL of 0.2 M hydrochloric acid (HCl)? Also, determine which reactant is in excess and by how much.
answered
Feb 13
in
Chemical reactions
0
votes
28
views
How can the recovery of valuable metals such as gold, silver, copper, and platinum be efficiently designed and optimized from electronic waste materials?
answered
Feb 10
in
Chemical engineering
0
votes
36
views
How can the production of polyethylene oxide from ethylene oxide monomer be optimized in terms of yield and purity, considering the reaction conditions such as temperature, pressure, catalyst selection, and additives?
answered
Feb 10
in
Chemical synthesis
0
votes
78
views
Consider the synthesis of ibuprofen from 2-methylpropylbenzene and carbon dioxide, using a series of reactions. As a chemistry student, how would you design an experimental process to isolate and purify ibuprofen from the reaction mixture? Include details on the specific equipment and techniques that can be used, as well as potential challenges and solutions.
answered
Feb 3
in
Chemical synthesis
0
votes
100
views
What is the oxidation state of nitrogen in NH4NO3?
answered
Jan 31
in
Chemical reactions
0
votes
121
views
What is the concentration of iron(II) sulfate in a sample of water taken from a lake, using spectrophotometry with a known molar absorptivity of 11,300 L/mol*cm, if the absorbance of the sample is measured to be 0.423 at a wavelength of 510 nm?
answered
Jan 30
in
Analytical Chemistry
0
votes
86
views
Please evaluate the social influence techniques.
answered
Jan 20
in
Psychology
+1
vote
35
views
When might negative attachment experiences occur?
answered
Jan 20
in
Psychology
0
votes
55
views
What is the main criticism of the dual processing theory?
answered
Jan 16
in
Psychology
0
votes
69
views
How can the cognitive interpersonal maintenance model be used to evaluate eating disorders?
answered
Jan 16
in
Psychology
0
votes
123
views
According to Spearman, what is the g-factor?
answered
Jan 15
in
Psychology
0
votes
39
views
What is the role of a hypothesis in research design?
answered
Jan 15
in
Psychology
0
votes
145
views
What is the difference between top-down processing and bottom-up processing?
answered
Jan 14
in
Psychology
0
votes
55
views
What might be a diathesis factor for depression?
answered
Jan 13
in
Psychology
0
votes
111
views
Which effect causes winds to strike the polar front at an angle?
answered
Jan 8
in
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