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User ClemmieBalfe
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How does the size and shape of a gold nanoparticle affect its stability under different environmental conditions, and how can molecular dynamics simulations be used to study these interactions?
answered
23 hours
ago
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Computational Chemistry
1
answer
16
views
How does the route of administration affect the pharmacokinetics of a drug in the body? Specifically, compare the pharmacokinetic parameters (such as absorption, distribution, metabolism, and excretion) of a drug administered orally versus intravenously.
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1 day
ago
in
Medicinal Chemistry
1
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13
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What is the reaction mechanism for the conversion of an alcohol to an alkene using a strong acid catalyst, and what are the factors that influence the stereochemistry of the product?
answered
3 days
ago
in
Organic Chemistry
1
answer
28
views
How does the presence of reaction intermediates affect the rate of the reaction between potassium iodate and sodium bisulfite, and are there any methods to investigate and measure the effect of the intermediates on the overall reaction rate?
answered
3 days
ago
in
Chemical kinetics
1
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16
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How does the use of different solvents affect the rate of the chemical reaction between sodium hydroxide and hydrochloric acid, and how can these effects be explained in terms of the solvent's polarity and ability to stabilize the reaction intermediates?
asked
3 days
ago
in
Chemical kinetics
1
answer
23
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How does the presence of a catalyst affect the rate of a chemical reaction and can this effect be quantified and measured accurately in the laboratory?
answered
3 days
ago
in
Chemical kinetics
1
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20
views
What is the step-by-step procedure for the preparation of 2,4-dinitrobenzoic acid from benzoic acid and nitric acid, and what is the percentage yield obtained when starting with 10 grams of benzoic acid and excess nitric acid?
asked
3 days
ago
in
Chemical synthesis
1
answer
23
views
What is the net ionic equation of the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH)?
asked
3 days
ago
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Chemical reactions
1
answer
30
views
What is the effect of temperature on the reaction rate of the reaction between sodium thiosulfate and hydrochloric acid, and how can it be quantitatively measured using the rate of disappearance of the reactant or the rate of appearance of the product?
answered
5 days
ago
in
Chemical kinetics
1
answer
34
views
How does the breakdown of amino acids differ between humans and bacteria?
asked
Feb 18
in
BioChemistry
1
answer
26
views
How much energy is required to break the bond between two oxygen atoms in a diatomic oxygen molecule (O2) using bond enthalpy?
asked
Feb 18
in
Chemical bonding
1
answer
33
views
What is the bond enthalpy of the O-H bond in a water molecule and what is the energy required to break this bond?
answered
Feb 18
in
Chemical bonding
1
answer
28
views
How does temperature affect the rate of an enzymatic reaction? Provide experimental evidence to support your answer.
asked
Feb 17
in
BioChemistry
1
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30
views
How does the surface tension of a biomembrane affect the diffusion of molecules across the membrane?
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Feb 17
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Surface Chemistry
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38
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How do metal ions coordinate with proteins or enzymes to facilitate their biological functions? Please explain with the help of an example.
asked
Feb 13
in
Coordination Chemistry
1
answer
46
views
What is the mechanism behind the luminescence emission in various luminescent materials under different photochemical conditions, and how can this mechanism be manipulated to improve the efficiency and lifetime of the luminescence emission?
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Feb 13
in
PhotoChemistry
1
answer
38
views
How do intermolecular interactions and solvation effects affect the stability of drug molecules in aqueous solutions?
answered
Feb 13
in
Quantum Chemistry
1
answer
7
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How does the exposure to pesticide residues in fruits and vegetables affect the concentration of organophosphate metabolites in children's urine samples?
answered
Feb 13
in
Environmental Chemistry
1
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27
views
How can we design drugs to specifically target mutated genes responsible for genetic disorders, while minimizing adverse effects on healthy cells and tissues?
asked
Feb 12
in
Medicinal Chemistry
1
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39
views
How can the properties of liquid crystals be optimized for use in display technology?
asked
Feb 10
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Materials Chemistry
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