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How does the size and chemical composition of microplastics impact the toxicity and bioaccumulation of marine life in different types of water environments?
asked
Feb 24
in
Environmental Chemistry
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votes
1
answer
34
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What is the effect of molecular weight and temperature on the shear viscosity of polystyrene (PS) melts under different flow conditions?
asked
Feb 24
in
Polymer Chemistry
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1
answer
21
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What is the most effective method for synthesizing gold nanoparticles with a size range of 10-20 nm, and how can this method be optimized to produce a high yield and stability of the resulting nanoparticles?
asked
Feb 21
in
Materials Chemistry
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votes
1
answer
22
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What is the specific coordination chemistry of the metal ion in the active site of the enzyme carbonic anhydrase, and how does this coordination allow the enzyme to facilitate the reversible hydration of carbon dioxide?
asked
Feb 20
in
Coordination Chemistry
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1
answer
30
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What is the correlation between the electronic and optical properties of conjugated polymers and their molecular structure, specifically the length of the conjugated backbone?
asked
Feb 20
in
Quantum Chemistry
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1
answer
37
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How does the coordination chemistry of the active site of metalloenzymes and metalloproteins affect their catalytic activity, and how can this information be used to design more effective catalysts for industrial and biomedical applications?
asked
Feb 19
in
Coordination Chemistry
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votes
1
answer
27
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What is the balanced chemical equation for the combustion of methane gas (CH4)? Include the reactants, products, and the coefficients of each molecule in the equation.
asked
Feb 17
in
Chemical reactions
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votes
1
answer
33
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Identify the type of intermolecular forces present in solid methane and explain how they affect the physical properties of the substance.
asked
Feb 14
in
Chemical bonding
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1
answer
56
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What is the difference between ionic and covalent bonds and how do their structures affect their properties? Provide examples of compounds for each type of bonding and describe their characteristics.
asked
Feb 13
in
Chemical education
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votes
1
answer
62
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How can we design small-molecule drugs to target the root cause of genetic disorders by correcting or restoring the function of mutated proteins, while avoiding off-target effects that can lead to toxicity or other side effects?
asked
Feb 12
in
Medicinal Chemistry
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1
answer
37
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How can the prediction of electronic and magnetic properties of metal-organic frameworks be optimized using quantum chemistry methods?
asked
Feb 10
in
Quantum Chemistry
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1
answer
66
views
How can a chemical engineer efficiently develop a process for the production of methanol using carbon dioxide as a feedstock, taking into account factors such as reaction kinetics, thermodynamics, and cost?
asked
Feb 4
in
Chemical engineering
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votes
1
answer
109
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What is an efficient and sustainable method for the synthesis of metal nanoparticles? How do different synthesis methods impact the size, shape, and properties of the nanoparticles produced?
asked
Jan 31
in
Materials Chemistry
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1
answer
101
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How can chemistry students and teachers work together to effectively advocate for increased funding for chemistry education?
asked
Jan 30
in
Chemical education
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votes
1
answer
114
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What is the concentration (in moles per liter) of a hydrochloric acid (HCl) solution if 25 mL of the solution reacts with 50 mL of a 0.1 M sodium hydroxide (NaOH) solution during a titration process?
asked
Jan 30
in
Analytical Chemistry
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votes
1
answer
70
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Calculate the corrosion potential of iron (Fe) in a 0.1 M HCl solution at 25°C, given that the standard electrode potential for the Fe2+/Fe redox couple is -0.44 V and the standard hydrogen electrode potential at the same temperature and pressure is 0 V. What is the likelihood of iron corrosion in this environment?
asked
Jan 23
in
ElectroChemistry
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1
answer
112
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What is the pH of a solution that contains 0.1 M hydrochloric acid, HCl?
asked
Jan 22
in
Inorganic Chemistry
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1
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99
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What is the difference between a primary, secondary, and tertiary amine? Can you provide an example for each type of amine?
asked
Jan 21
in
Organic Chemistry
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1
answer
111
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When applying constructivist theory in the classroom, what should teachers do differently?
asked
Jan 20
in
Psychology
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votes
1
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85
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Who is credited with the development of multiple regression?
asked
Jan 20
in
Psychology
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