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Answers by Latonya89F54
0
votes
17
views
How does the size and shape of microplastics affect their toxicity and accumulation in marine organisms?
answered
1 day
ago
in
Environmental Chemistry
0
votes
14
views
What is the predicted bond angle for a water molecule (H2O)? Provide a detailed explanation of the factors that determine the bond angle and how they contribute to the specific angle observed in water.
answered
3 days
ago
in
Chemical bonding
0
votes
17
views
What are the optimal laboratory conditions (temperature, pressure, solvent, reaction time) for the synthesis of polyvinylpyrrolidone from vinylpyrrolidone monomer to obtain the highest yield?
answered
4 days
ago
in
Chemical synthesis
0
votes
4
views
What is the most efficient and economical method for synthesizing polyvinyl alcohol from vinyl acetate monomer, considering the purity, yield, and properties of the resulting polymer?
answered
4 days
ago
in
Chemical synthesis
0
votes
24
views
What is the most effective method to dispose of low-level radioactive waste without causing harm to the environment, and how can we monitor the potential impact of such waste on soil, water, and nearby ecosystems?
answered
4 days
ago
in
Environmental Chemistry
0
votes
30
views
How does the electronic structure of metal ions affect the coordination chemistry of metallofullerenes and metalloclusters? Provide specific examples and experimental evidence supporting your answer.
answered
5 days
ago
in
Coordination Chemistry
0
votes
26
views
What is the electronic structure of a chromium tricarbonyl complex and how does it compare to the electronic structure of a similar iron tricarbonyl complex, as determined by ab initio calculations?
answered
5 days
ago
in
Computational Chemistry
0
votes
24
views
How many ATP molecules are produced per turn of the citric acid cycle and oxidative phosphorylation in the mitochondria of eukaryotic cells?
answered
Feb 18
in
BioChemistry
0
votes
31
views
How does the addition of a photosensitizer affect the rate of a photochemical reaction in a solution containing a photolabile compound?
answered
Feb 17
in
Physical Chemistry
0
votes
39
views
Identify the type of bonding present in the solids of sodium chloride, diamond, and copper.
answered
Feb 13
in
Chemical bonding
0
votes
38
views
How can the electronic and magnetic properties of metal-organic frameworks be accurately predicted using quantum chemistry calculations, and how do these properties impact the potential applications of these materials in fields such as catalysis and gas storage?
answered
Feb 7
in
Quantum Chemistry
0
votes
40
views
How can 1-bromo-2-methylcyclohexane be transformed into 1-methylcyclohexene via an E2 elimination reaction? What are the necessary conditions and reagents needed for this transformation to occur?
answered
Feb 4
in
Organic Chemistry
0
votes
53
views
Consider a zinc electrode in a concentration cell that is connected to a copper electrode through a salt bridge. During the electrolysis of an aqueous solution of ZnSO4, a current of 2.5 A is passed through the cell for 20 minutes. Calculate the mass of zinc deposited on the electrode during this time assuming 100% efficiency. (Molar mass of zinc = 65.38 g/mol)
answered
Feb 3
in
ElectroChemistry
0
votes
62
views
What is the dipole moment of a carbon dioxide molecule and how can it be predicted using the electronegativity values of the atoms involved in the molecule?
answered
Jan 31
in
Chemical bonding
0
votes
73
views
What is the mechanism of action of Aspirin and how does it affect the decarboxylation of arachidonic acid?
answered
Jan 31
in
Medicinal Chemistry
0
votes
69
views
What is the mechanism of the catalytic reaction between methanol and oxygen on a platinum (111) surface using density functional theory calculations?
answered
Jan 31
in
Computational Chemistry
0
votes
91
views
What actions can be taken by chemistry students and educators to address the limited availability of chemistry textbooks and resources in developing countries?
answered
Jan 30
in
Chemical education
0
votes
56
views
Calculate the heat of formation of methane (CH4) given the following values: - The standard enthalpy of combustion of methane is -890.3 kJ/mol- The bond energies are as follows: C-H = 413 kJ/mol and C-C = 348 kJ/mol.
answered
Jan 23
in
Chemical bonding
0
votes
43
views
When is the elaboration likelihood model ELM most effective?
answered
Jan 20
in
Psychology
0
votes
45
views
According to the social cognitive theory, what is the role of modelling in anxiety?
answered
Jan 17
in
Psychology
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