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0
votes
1
answer
31
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How does the size and composition of microplastics affect their toxicity to marine organisms in aquatic environments?
asked
Feb 24
in
Environmental Chemistry
0
votes
1
answer
31
views
How does the presence of different functional groups affect the mechanism of photochemical reactions in organic compounds? Provide specific examples to support your answer.
asked
Feb 22
in
PhotoChemistry
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votes
1
answer
36
views
What is the role of the enzyme ribonuclease in RNA processing and splicing? Specifically, how does ribonuclease contribute to the removal of introns and the splicing of exons during RNA maturation?
asked
Feb 20
in
BioChemistry
0
votes
1
answer
40
views
What is the effect of blend composition on the performance of a bulk heterojunction polymer solar cell?
asked
Feb 17
in
Polymer Chemistry
0
votes
1
answer
33
views
What is the balanced redox reaction for the combustion of methane (CH4) in the presence of oxygen (O2) to form carbon dioxide (CO2) and water (H2O)?
asked
Feb 17
in
Chemical reactions
0
votes
1
answer
39
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What is the difference between primary, secondary, and tertiary alcohols and how does their chemical reactivity differ? Illustrate your answer with suitable examples.
asked
Feb 14
in
Organic Chemistry
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votes
1
answer
40
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How can we modify the molecular structure of existing drugs such as statins to enhance their effectiveness in treating cardiovascular diseases, while minimizing potential side effects on the patients?
asked
Feb 13
in
Medicinal Chemistry
0
votes
1
answer
60
views
How does the ligand substitution affect the photochemical properties of transition metal complexes? Provide a detailed explanation using the example of [Fe(CN)6]⁴¯ complex.
asked
Feb 13
in
PhotoChemistry
0
votes
1
answer
67
views
What is the effect of increasing the concentration of a reactant on the equilibrium position of a chemical reaction? Provide an example and explain the reasoning behind your answer.
asked
Feb 13
in
Chemical equilibrium
0
votes
1
answer
70
views
If the system at equilibrium is affected by an increase in pressure, will the equilibrium shift towards the reactants or towards the products, assuming that the number of moles of gas is the same on both sides of the balanced chemical equation?
asked
Feb 13
in
Chemical equilibrium
0
votes
1
answer
67
views
How can the synthesis of carbon nanotubes be optimized to improve their electrical conductivity properties for use in electronic devices?
asked
Feb 11
in
Materials Chemistry
0
votes
1
answer
77
views
How can the rate of gas evolution in a chemical reaction be measured and controlled in order to optimize the process for industrial scale production?
asked
Feb 10
in
Chemical reactions
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votes
1
answer
39
views
How can chemistry educators integrate comprehensive safety protocols into their lesson plans to ensure that students are equipped with the knowledge and skills to conduct experiments safely in the laboratory?
asked
Feb 4
in
Chemical education
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votes
1
answer
18
views
What is the critical micelle concentration (CMC) of surfactant X in an aqueous solution at 25°C? Provide a detailed explanation of the method used to determine the CMC of surfactants and discuss the significance of CMC in surface chemistry.
asked
Jan 31
in
Surface Chemistry
0
votes
1
answer
123
views
What is the structure of the molecule responsible for the peak at 1700 cm$^{-1}$ in the IR spectrum of a compound?
asked
Jan 30
in
Physical Chemistry
0
votes
1
answer
70
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A chemistry student is given a sample of a solution containing a known amount of sodium chloride (NaCl) dissolved in water. The student needs to determine the concentration of the NaCl in the solution, using mass balance calculations. The student has access to a balance and other necessary laboratory equipment. What is the concentration of NaCl in the solution given to the student? How much NaCl is present in the solution, and how much water was used to dissolve it?
asked
Jan 22
in
Analytical Chemistry
0
votes
1
answer
62
views
What is the difference between a bidirectional and unidirectional influence on development in ecological systems theory?
asked
Jan 17
in
Psychology
0
votes
1
answer
50
views
What is the criteria for evaluating theory?
asked
Jan 16
in
Psychology
0
votes
1
answer
85
views
How can the social identity theory be applied to workplace diversity?
asked
Jan 16
in
Psychology
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votes
1
answer
99
views
What is a criticism of positive psychology?
asked
Jan 16
in
Psychology
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