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User LeroyBothwel
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0
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1
answer
21
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What is the effect of changing the concentration of a reactant or a product on the reaction rate at equilibrium for the reaction between iodide ion and persulfate ion?
asked
3 days
ago
in
Chemical kinetics
0
votes
1
answer
21
views
How does the presence of UV rays induce the formation of pyrimidine dimers in newly synthesized strands during DNA replication, what are the consequences of having these pyrimidine dimers, and what types of mechanisms do cells employ to repair them?
asked
3 days
ago
in
BioChemistry
0
votes
1
answer
23
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What is the rate constant for the one-electron reduction of oxygen in aqueous solution at pH=7, and how does this rate constant change with pH?
asked
4 days
ago
in
Quantum Chemistry
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votes
1
answer
2
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What is the impact of ligand design on the structural properties and thermal stability of metal-organic frameworks?
asked
5 days
ago
in
Coordination Chemistry
0
votes
1
answer
21
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What is the critical micelle concentration (CMC) of sodium dodecyl sulfate (SDS) in a water solution with a temperature of 25°C?
asked
6 days
ago
in
Surface Chemistry
0
votes
1
answer
6
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How do specific amino acid residues in a DNA-binding protein contribute to its binding affinity and specificity for a particular sequence of DNA?
asked
Feb 14
in
BioChemistry
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votes
1
answer
21
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How can we predict the solubility of inorganic salts in water based on their chemical properties such as ionic charge, size, and polarizability?
asked
Feb 14
in
Inorganic Chemistry
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votes
1
answer
30
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What is the number of electrons that are transferred in the following reaction: MnO<sub>4</sub><sup>-</sup> + 8H<sup>+</sup> + 5e<sup>-</sup> → Mn<sup>2+</sup> + 4H<sub>2</sub>O
asked
Feb 13
in
ElectroChemistry
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votes
1
answer
45
views
What are the mechanisms of excited state relaxation in a specific organic molecule using ab initio calculations? How does the relaxation pathway change based on the electronic states involved and the solvent environment?
asked
Feb 13
in
Computational Chemistry
0
votes
1
answer
25
views
How does the Crystal Field Theory explain the existence of high-spin and low-spin complexes and what are the factors influencing their formation in coordination chemistry?
asked
Feb 12
in
Coordination Chemistry
0
votes
1
answer
39
views
How do the coordination chemistry principles behind chelation therapy explain the ability of EDTA to bind to heavy metal ions in the body and effectively remove them as a treatment for heavy metal poisoning?
asked
Feb 12
in
Coordination Chemistry
0
votes
1
answer
39
views
How can the design and implementation of safety control measures in the transportation and storage of hazardous chemicals minimize the risk of accidents and protect human health and the environment?
asked
Feb 6
in
Chemical engineering
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votes
1
answer
25
views
How can the chemical engineering principles be utilized to develop a cost-effective and efficient process for the production of detergents with minimal environmental impact?
asked
Feb 6
in
Chemical engineering
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votes
1
answer
44
views
Calculate the standard enthalpy change for the reaction between hydrochloric acid and potassium hydroxide to produce potassium chloride and water, given that the heat of neutralization of hydrochloric acid and sodium hydroxide is -57.1 kJ/mol.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
44
views
Calculate the standard electrode potential for the cell reaction: Fe3+(aq) + e- → Fe2+(aq) Given E°Fe3+/Fe2+ = 0.77 V.
asked
Feb 3
in
ElectroChemistry
0
votes
1
answer
43
views
What is the effect of changing the concentration of reactants on the reaction rate of a chemical reaction and how does this impact the overall sustainability of the reaction?
asked
Feb 3
in
Chemical kinetics
0
votes
1
answer
58
views
A student wishes to prepare a buffer solution by adding 0.20 moles of acetic acid (Ka = 1.8 x 10^-5) and 0.20 moles of sodium acetate in 1 liter of solution. The student adds 0.05 moles of hydrochloric acid (HCl) to the solution. Calculate the effect of adding the buffer on the equilibrium position of the acid-base reaction and determine the new pH of the solution.
asked
Jan 22
in
Chemical equilibrium
0
votes
1
answer
85
views
A chemistry student wants to perform a reaction that produces carbon dioxide gas. If the student has 500 grams of calcium carbonate and an excess of hydrochloric acid, how many liters of carbon dioxide gas can be produced at Standard Temperature and Pressure (STP)? (Assume the reaction goes to completion)
asked
Jan 22
in
Chemical reactions
0
votes
1
answer
60
views
Where does cognitive psychology suggest that emotions come from?
asked
Jan 20
in
Psychology
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votes
1
answer
48
views
Please evaluate the impact of cultural differences on research ethics.
asked
Jan 17
in
Psychology
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