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Answers by AnibalX1615
0
votes
34
views
How do the photochemical properties of dyes and pigments affect their color and stability when exposed to sunlight?
answered
Feb 22
in
PhotoChemistry
0
votes
28
views
What is the effect of light intensity on the fading of dyes and pigments under different conditions?
answered
Feb 19
in
PhotoChemistry
0
votes
35
views
How does the concentration of reactants affect the rate and sustainability of a chemical reaction?
answered
Feb 19
in
Chemical kinetics
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votes
25
views
How does the chemical structure of hormones affect their ability to bind to specific receptors and initiate signaling pathways in target cells?
answered
Feb 18
in
BioChemistry
0
votes
40
views
How can we relate the concept of stoichiometry to real-world scenarios, such as cooking or manufacturing industries? Provide at least three examples and explain how stoichiometry is used in these scenarios.
answered
Feb 14
in
Chemical education
0
votes
34
views
What is the crystal structure of sodium chloride (NaCl) and how does it contribute to its physical properties such as melting point, boiling point, and solubility?
answered
Feb 14
in
Physical Chemistry
0
votes
58
views
What is the relationship between structural isomers and stereoisomers in organic chemistry? Provide two examples and explain their differences.
answered
Feb 13
in
Organic Chemistry
0
votes
59
views
How does genetic variability influence drug response and efficacy in the treatment of cancer patients, specifically for the chemotherapy drug cisplatin?
answered
Feb 13
in
Medicinal Chemistry
0
votes
65
views
How does the structure of chlorophyll impact its ability to absorb light during photosynthesis?
answered
Feb 12
in
BioChemistry
0
votes
62
views
How can the synthesis and characterization of a new material be optimized for maximum efficiency in removing heavy metals from polluted water sources?
answered
Feb 11
in
Materials Chemistry
0
votes
55
views
How can the refractive index of a polymer-based optical material be tuned to achieve a desired optical property, and what factors affect the refractive index of such materials?
answered
Feb 10
in
Polymer Chemistry
0
votes
86
views
Calculate the standard enthalpy of formation of glucose (C6H12O6) given that the standard enthalpies of combustion for glucose, carbon, and hydrogen are -2803.6 kJ/mol, -393.5 kJ/mol, and -285.8 kJ/mol, respectively.
answered
Feb 3
in
ThermoChemistry
0
votes
84
views
Calculate the standard enthalpy change for the reaction between 25 mL of 0.1 M HCl and 25 mL of 0.1 M NaOH, assuming the reaction takes place in aqueous solution and is complete. The temperature of the solutions should be maintained at a constant 25°C during the reaction. (Assume the density of the solutions is 1 g/mL and the specific heat capacity of the solutions is 4.18 J/g°C).
answered
Feb 3
in
Chemical thermodynamics
0
votes
62
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Calculate the standard electrode potential of a half-cell containing F2(g) and F- ion at 25°C. The reduction potential for F2(g) is 2.87 V and the standard reduction potential for F- ion is -2.87 V.
answered
Feb 3
in
ElectroChemistry
0
votes
126
views
What are the key structural features of cancer cells that can be targeted by drugs in order to selectively kill them, and how can medicinal chemists optimize the design of such drugs to increase their efficacy and minimize their side effects?
answered
Jan 31
in
Medicinal Chemistry
0
votes
98
views
What is the effect of size and shape on the electronic and optical properties of gold nanoparticles? Perform quantum chemical calculations to compare and contrast the properties of spherical and triangular shaped gold nanoparticles with diameters ranging from 3 to 15 nm.
answered
Jan 31
in
Quantum Chemistry
0
votes
111
views
How does a decrease in pH due to acid rain affect the growth of aquatic plants, and what chemical reactions contribute to this effect?
answered
Jan 30
in
Environmental Chemistry
0
votes
56
views
How can we determine the elemental composition of a given sample using X-ray fluorescence spectroscopy?
answered
Jan 29
in
Analytical Chemistry
0
votes
67
views
Where does the debate between ethical and non-ethical research methods take place?
answered
Jan 20
in
Psychology
0
votes
43
views
Who created the self-determination theory of motivation?
answered
Jan 17
in
Psychology
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