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How does the presence of heavy metals in water sources affect the survival and growth of fish in aquatic environments and what are the potential risks to human health?
answered
3 days
ago
in
Environmental Chemistry
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votes
24
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How does the presence of heavy metals in industrial effluents affect the quality of groundwater in the surrounding area and what measures can be taken to minimize its impact on the environment?
answered
3 days
ago
in
Environmental Chemistry
0
votes
29
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What is the optimal reaction conditions (temperature, pressure, catalyst, and reaction time) needed to synthesize high molecular weight polyacrylonitrile from acrylonitrile monomer with maximum yield and purity?
answered
3 days
ago
in
Chemical synthesis
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votes
21
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What is the most efficient process for the production of biodiesel from vegetable oil using acid catalysis, and how can the quality of the biodiesel be improved by applying different refining techniques?
answered
4 days
ago
in
Chemical engineering
0
votes
26
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How does the geometric structure of a transition metal complex affect its electronic properties as predicted by ab initio calculations?
answered
5 days
ago
in
Computational Chemistry
0
votes
22
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What factors affect the critical temperature of superconducting materials, and how can these factors be manipulated to increase the critical temperature?
answered
6 days
ago
in
Materials Chemistry
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votes
5
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What are the different types of isomerism in coordination compounds, and how do they differ from each other? Provide an example of each type of isomerism in a coordination compound and explain their structural differences.
answered
Feb 13
in
Coordination Chemistry
0
votes
32
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How can the medicinal chemistry approach be used to develop new treatments for inflammatory bowel disease? What specific chemical compounds could be targeted to address the inflammation in the gastrointestinal tract and improve patient outcomes?
answered
Feb 10
in
Medicinal Chemistry
0
votes
34
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How can chemistry educators provide better support for students with learning disabilities in the classroom to improve their understanding and application of chemistry concepts?
answered
Feb 4
in
Chemical education
0
votes
44
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Calculate the standard cell potential of the following electrochemical cell: Ag(s) │ AgCl(s) │ Cl^-(aq, 0.040 M) ‖ Cu^2+(aq, 0.020 M) │ Cu(s) at 298 K. The reduction potential of AgCl/Ag couple is +0.22 V and the reduction potential of Cu^2+/Cu couple is +0.34 V.
answered
Feb 3
in
Physical Chemistry
0
votes
63
views
How do various factors like enzymes, coenzymes, and hormones impact the regulation of amino acid metabolism and biosynthesis in human beings?
answered
Jan 31
in
BioChemistry
0
votes
69
views
What are some effective study strategies for a chemistry student to better prepare for exams and overcome the challenge of inadequate preparation?
answered
Jan 30
in
Chemical education
0
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87
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How much chloride ion (Cl-) is present in a 75 mL sample of a solution with an unknown concentration of sodium chloride (NaCl) using a potentiometric titration with 0.1 M silver nitrate (AgNO3) solution and a silver-silver chloride (Ag/AgCl) reference electrode?
answered
Jan 30
in
Analytical Chemistry
0
votes
51
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Calculate the enthalpy change for the oxidation of methane (CH4) to carbon dioxide (CO2) at constant pressure using the following reactions: * C(s) + O2(g) --> CO2(g) ΔH = -393.5 kJ/mol* 2H2(g) + O2(g) --> 2H2O(l) ΔH = -571.6 kJ/molThe enthalpy of formation of CH4(g) is -74.8 kJ/mol.
answered
Jan 23
in
ThermoChemistry
0
votes
47
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Calculate the enthalpy change for the oxidation of 1 mole of methane gas to form carbon dioxide and water vapor, given the following balanced chemical equation: CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)(enthalpy of formation: ΔHf(CH4)=-74.81 kJ/mol, ΔHf(CO2)=-393.51 kJ/mol, ΔHf(H2O)= -241.83 kJ/mol)
answered
Jan 23
in
ThermoChemistry
0
votes
49
views
According to the biological approach, how do genes influence mental health?
answered
Jan 20
in
Psychology
0
votes
37
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What is the role of psychology in addressing social erasure?
answered
Jan 20
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Psychology
0
votes
72
views
What is one limitation of using a narrative approach in existential psychology?
answered
Jan 20
in
Psychology
0
votes
45
views
Why did Harlow's studies on attachment receive recognition?
answered
Jan 17
in
Psychology
0
votes
10
views
How does biopsychology contribute to understanding sleep?
answered
Jan 17
in
Psychology
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