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0
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24
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How does the size and shape of nanoparticles affect their photochemical properties and reactivity?
answered
1 day
ago
in
PhotoChemistry
0
votes
32
views
What is the predicted effect of increasing the pH of a redox reaction between hydrogen peroxide and potassium permanganate on the equilibrium position? Explain your answer with balanced chemical equation and the corresponding redox half-reactions.
answered
1 day
ago
in
Chemical equilibrium
0
votes
24
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How does the configuration and geometry of a molecule affect its ability to conduct electricity at the nanoscale?
answered
6 days
ago
in
Quantum Chemistry
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votes
38
views
How does the chemical composition of glasses affect their refractive index and transparency, and what role does the preparation method play in optimizing these properties for their use in optical applications?
answered
Feb 18
in
Materials Chemistry
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votes
27
views
How can we predict the crystal structure of inorganic solids using various theoretical and experimental techniques, and what factors affect the formation and stability of different crystal structures in these solids?
answered
Feb 14
in
Inorganic Chemistry
0
votes
38
views
How does the electronic structure of a copper atom change when it forms a bond with an oxygen atom using Density Functional Theory calculations?
answered
Feb 12
in
Computational Chemistry
0
votes
37
views
What is the role of cobalt in the active site of vitamin B12, a metalloenzyme? How does the coordination chemistry of cobalt in vitamin B12 allow it to facilitate the various enzymatic reactions it is involved in?
answered
Feb 12
in
Coordination Chemistry
0
votes
42
views
What is the role of cholesterol in maintaining the fluidity and permeability of the cell membrane?
answered
Feb 12
in
BioChemistry
0
votes
39
views
How can the stability of an emulsion be improved using a specific surfactant?
answered
Feb 10
in
Surface Chemistry
0
votes
43
views
How can chemistry education be improved to better help students understand the critical role of chemistry in society and the economy, and inspire them to pursue higher education and careers in the field?
answered
Feb 4
in
Chemical education
0
votes
54
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Consider the metalloprotein hemoglobin, which has four heme groups each coordinated to a single iron ion. Suppose that ferrous iron in the heme group of hemoglobin is oxidized to ferric state by reacting with hydrogen peroxide. Calculate the number of hydrogen peroxide molecules needed to oxidize all the iron ions of hemoglobin in a human body that has a total of 5 liters of blood, assuming the concentration of hemoglobin in blood is 15 grams per liter.
answered
Feb 3
in
Coordination Chemistry
0
votes
49
views
How does changing the concentration of reactants affect the reaction rate and the profitability of the reaction?
answered
Feb 3
in
Chemical kinetics
0
votes
45
views
Calculate the formal charge of the sulfur atom in the sulfite ion (SO3) using the formula for formal charge calculation.
answered
Jan 23
in
Inorganic Chemistry
0
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69
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Calculate the enthalpy change for the reduction of iron (III) oxide using carbon in a thermite reaction if 12.5 grams of iron (III) oxide reacts with excess carbon, and the resulting iron has a mass of 7.5 grams. Assume all heat evolved is absorbed by the iron and that the reaction occurs at constant pressure.
answered
Jan 23
in
ThermoChemistry
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votes
68
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What organic reaction occurs when an alcohol reacts with a carboxylic acid in the presence of a strong acid catalyst, and what product is formed as a result? Provide the balanced chemical equation for this reaction.
answered
Jan 21
in
Organic Chemistry
0
votes
13
views
What is the significance of transpersonal psychology in counselling?
answered
Jan 20
in
Psychology
0
votes
54
views
What is the role of the prefrontal cortex in decision-making according to the somatic marker theory?
answered
Jan 20
in
Psychology
0
votes
30
views
What are the results of the Milgram experiment?
answered
Jan 20
in
Psychology
0
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48
views
What is the role of language in artificial intelligence?
answered
Jan 20
in
Psychology
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votes
9
views
According to gender schema theory, how do individuals acquire gender information?
answered
Jan 17
in
Psychology
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