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1
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32
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How does the size and shape of a nanomaterial affect its electronic and optical properties, and how can we calculate these properties using quantum chemistry methods?
asked
Feb 24
in
Quantum Chemistry
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votes
1
answer
35
views
How does the route of administration of a drug affect its pharmacokinetics in the body? Specifically, compare and contrast the pharmacokinetics of orally administered drugs versus intravenously administered drugs.
asked
Feb 24
in
Medicinal Chemistry
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votes
1
answer
30
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What is the mechanism of the reaction between acetic acid and thionyl chloride to form acetyl chloride?
asked
Feb 22
in
Organic Chemistry
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votes
1
answer
30
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What is the mechanism of the Pinacol-Pinacolone rearrangement and what factors influence its rate?
asked
Feb 22
in
Organic Chemistry
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votes
1
answer
32
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What is the effect of pH on the zeta potential of colloidal particles and how can it be measured accurately in a laboratory setting using electrophoresis?
asked
Feb 22
in
Surface Chemistry
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1
answer
34
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What is the effect of pH on the stability and particle interactions of colloidal suspensions?
asked
Feb 22
in
Physical Chemistry
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votes
1
answer
34
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What is the coordination geometry of the active site in the enzyme carbonic anhydrase, and how does this influence its catalytic activity?
asked
Feb 19
in
Coordination Chemistry
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votes
1
answer
61
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What is the predicted color of a manganese(IV) oxide compound based on its chemical formula and electronic configuration?
asked
Feb 13
in
Inorganic Chemistry
0
votes
1
answer
101
views
How can we increase diversity in the chemistry field and create equal opportunities for underrepresented groups?
asked
Feb 13
in
Chemical education
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votes
1
answer
64
views
What is the role of glutamine synthetase in nitrogen assimilation in plants, and how does its activity vary in response to different nitrogen sources?
asked
Feb 13
in
BioChemistry
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votes
1
answer
40
views
How can we design drugs to target specific enzymes or pathways involved in metabolic disorders such as diabetes or obesity, while avoiding off-target effects on other essential biological processes?
asked
Feb 12
in
Medicinal Chemistry
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votes
1
answer
120
views
How can we design a drug that targets the specific proteins or enzymes involved in the development of Alzheimer's disease, while minimizing the potential side effects on healthy brain cells?
asked
Feb 12
in
Medicinal Chemistry
0
votes
1
answer
52
views
How can school administrators encourage the development of more chemistry-related extracurricular activities to provide students with better opportunities to enhance their chemistry skills and knowledge?
asked
Feb 5
in
Chemical education
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1
answer
88
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Here is a chemistry problem related to renewable energy sources and their impact on the environment:What is the net energy yield and the carbon footprint of producing ethanol fuel from corn stover waste (a byproduct of corn cultivation) using a biochemical conversion process, and how does it compare to producing gasoline from crude oil in terms of environmental impact?
asked
Feb 4
in
Environmental Chemistry
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1
answer
76
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Design a chemical reactor for the synthesis of ammonia via the Haber process. The reactor should operate at a pressure of 200 atm and a temperature of 450°C. Assume a feed of nitrogen and hydrogen gases at a ratio of 1:3, with a flow rate of 10 moles per minute. Determine the size of the reactor and select a suitable catalyst for the reaction.
asked
Feb 3
in
Chemical engineering
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votes
1
answer
42
views
Calculate the standard enthalpy change of the dissolution reaction for 5.00 g of NaOH in 100 mL of water, given the molar heat of solution of NaOH as -44.5 kJ/mol.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
69
views
How does changing the concentration of one of the reactants affect the rate and sustainability of the reaction between potassium permanganate and hydrogen peroxide in acidic solution?
asked
Feb 3
in
Chemical kinetics
0
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1
answer
63
views
How can electrophoresis be used to determine the composition of a protein sample and what factors affect protein migration during electrophoresis?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
68
views
At a particular temperature and pressure, a mixture of water and ethanol has a vapor pressure of 45 torr. What is the mole fraction of ethanol in the mixture if its total pressure is 760 torr?
asked
Jan 22
in
Physical Chemistry
0
votes
1
answer
117
views
What is the balanced chemical equation for the reaction between iron(III) chloride and potassium hydroxide to produce iron(III) hydroxide and potassium chloride?
asked
Jan 21
in
Inorganic Chemistry
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