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How does the presence of heavy metals such as lead and mercury in soil and water sources affect the growth and survival of aquatic plants, and what are some effective methods for reducing heavy metal toxicity in the environment?
asked
Feb 22
in
Environmental Chemistry
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votes
1
answer
29
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What is the relationship between the optical properties of molecules and their electronic excited states, and how can these properties be calculated using quantum chemistry methods? Provide specific examples of molecules and their electronic transitions.
asked
Feb 21
in
Quantum Chemistry
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1
answer
31
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What is the molecular geometry and bond angles of carbon dioxide molecule?
asked
Feb 21
in
Quantum Chemistry
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answer
32
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How does the concentration and pore size of activated carbon affect its efficiency in adsorbing pollutants from contaminated water?
asked
Feb 20
in
Surface Chemistry
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1
answer
30
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What is the effect of different metal ion geometries on the formation and properties of coordination polymers and metal-organic frameworks? Provide specific examples and discuss their potential applications in catalysis or gas storage.
asked
Feb 19
in
Coordination Chemistry
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1
answer
28
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What is the diffusion coefficient of oxygen gas in air at 25°C and atmospheric pressure?
asked
Feb 19
in
Physical Chemistry
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1
answer
32
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What is the effect on the formation of the complex ion [Fe(H2O)6]3+ when the pH is changed from 2.0 to 3.5? Show calculations to support your answer.
asked
Feb 18
in
Chemical equilibrium
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votes
1
answer
34
views
What is the effect of oxidative photodamage on the UV absorption properties of common sunscreen agents such as oxybenzone and avobenzone?
asked
Feb 14
in
PhotoChemistry
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votes
1
answer
28
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How can the yield of a desired product in a chemical reaction be optimized by adjusting the reaction conditions such as temperature, pressure, and reactant concentration?
asked
Feb 14
in
Chemical engineering
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1
answer
37
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How can we optimize the production process of ammonium nitrate fertilizer to increase its yield, while also ensuring product quality and minimizing environmental impact?
asked
Feb 14
in
Chemical engineering
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1
answer
68
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How does the drug 'Ibuprofen' alleviate pain and inflammation in the body?
asked
Feb 13
in
Medicinal Chemistry
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votes
1
answer
59
views
What is the role of DNA polymerase in the process of DNA replication and repair? How does it ensure the accuracy of the newly synthesized DNA strand?
asked
Feb 12
in
BioChemistry
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votes
1
answer
76
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How do the density functional theory calculations predict changes in the surface properties of a metal with the addition of a certain amount of a dopant element?
asked
Feb 12
in
Computational Chemistry
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1
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59
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How does the coordination chemistry of metalloenzymes and metalloproteins contribute to their catalytic activity and specificity? Provide examples of metalloenzymes and metalloproteins and discuss the role of the metal ion in their function.
asked
Feb 12
in
Coordination Chemistry
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1
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77
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How can X-ray fluorescence spectroscopy be used to determine the presence and quantity of elements in a given sample, and what are the factors that can affect the accuracy and precision of the results obtained?
asked
Jan 30
in
Analytical Chemistry
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1
answer
87
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According to the mental set theory, why can past experience be a hindrance to problem solving?
asked
Jan 20
in
Psychology
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1
answer
51
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When did the limitations of bivarite correlation become more apparent?
asked
Jan 20
in
Psychology
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1
answer
27
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What is the concept of flow in positive psychology?
asked
Jan 17
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Psychology
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102
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Why are boundaries important in personal relationships?
asked
Jan 17
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Psychology
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99
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According to behaviourism, how can behaviour be modified?
asked
Jan 17
in
Psychology
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