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User Aline0805519
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Answers by Aline0805519
0
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21
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What is the effect of changes in pH on the reaction rate between hydrochloric acid (HCl) and magnesium (Mg)?
answered
3 days
ago
in
Chemical kinetics
0
votes
16
views
What is the optimal ratio of salicylic acid and acetic anhydride to produce the highest yield of aspirin in the synthesis process?
answered
4 days
ago
in
Chemical synthesis
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votes
21
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What is the effect of molecular weight on the viscosity of polymer melts? Provide experimental evidence and compare the results with existing theories.
answered
6 days
ago
in
Polymer Chemistry
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28
views
What is the mechanism behind the corrosion of iron and how does passivation effect its corrosion rate?
answered
6 days
ago
in
Surface Chemistry
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votes
18
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What is the coordination number of the lanthanide ion in the complex [Eu(H2O)8]3+? Provide the electronic configuration of the Eu ion and explain the reasoning behind the coordination number you have determined.
answered
6 days
ago
in
Coordination Chemistry
0
votes
30
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How does the adsorption of gas molecules on the surface of a solid depend on temperature and pressure? Provide a detailed explanation with experimental evidence and theoretical models.
answered
Feb 17
in
Physical Chemistry
0
votes
32
views
How can we isolate and purify the bioactive compounds from a natural product and determine its pharmacological activity for potential medicinal use?
answered
Feb 13
in
Medicinal Chemistry
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votes
48
views
How does energy transfer occur between molecules in a chemical reaction, and what factors affect the rate and efficiency of this process?
answered
Feb 13
in
Quantum Chemistry
0
votes
34
views
How can the polymerization reaction be optimized to maximize the yield of the desired polymer while minimizing the production of undesired byproducts in the process?
answered
Feb 10
in
Chemical engineering
0
votes
30
views
How can the incorporation of more environmental chemistry concepts into the chemistry curriculum improve our understanding of the effects of chemical pollutants on the environment and human health? Provide examples of specific environmental chemistry topics that should be emphasized more in the curriculum.
answered
Feb 7
in
Chemical education
0
votes
35
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How can computational chemistry be used for molecular docking studies to identify potential drug candidates that bind to a target receptor with high affinity and specificity?
answered
Feb 5
in
Computational Chemistry
0
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102
views
What is the mechanism of action of avobenzone, a widely used ingredient in sunscreen products, under UV radiation? Investigate the photochemical properties of the compound and highlight the factors that make it an efficient UV absorber.
answered
Jan 31
in
PhotoChemistry
0
votes
68
views
What is the concentration and identity of proteins present in the given sample using electrophoresis analysis?
answered
Jan 30
in
Analytical Chemistry
0
votes
74
views
How can the 1H NMR spectrum of a compound be used to identify the number and types of hydrogen atoms present in the molecule?
answered
Jan 29
in
Analytical Chemistry
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votes
45
views
Calculate the Gibbs free energy change (∆G) for the combustion of methane, CH4(g) + 2O2(g) -> CO2(g) + 2H2O(l), at standard conditions (298 K and 1 atm pressure) using appropriate thermodynamic data.
answered
Jan 23
in
Chemical thermodynamics
0
votes
59
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A chemistry student needs to balance the chemical equation for the reaction between copper(II) sulfate pentahydrate and iron. What is the balanced chemical equation for this reaction and how many moles of iron are needed to completely react with 5 moles of copper(II) sulfate pentahydrate?
answered
Jan 21
in
Inorganic Chemistry
0
votes
81
views
What is the product of the electrophilic addition reaction between propene and hydrogen chloride?
answered
Jan 21
in
Organic Chemistry
0
votes
35
views
According to the Young-Helmholtz theory, what happens when light of a single wavelength stimulates the retina?
answered
Jan 20
in
Psychology
0
votes
29
views
What was the aim of Watson and Rayner's experiment on Little Albert?
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Jan 20
in
Psychology
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90
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Why do researchers use regression analysis?
answered
Jan 20
in
Psychology
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