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How does the size and shape of nanoparticles affect the phase transition behavior of a substance, and how can Monte Carlo simulations be used to predict and understand these effects?
asked
1 day
ago
in
Computational Chemistry
0
votes
1
answer
11
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What is the reactivity order of the following group 1 metal ions: Li+, Na+, K+, and Cs+ based on their electronic configuration?
asked
1 day
ago
in
Inorganic Chemistry
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votes
1
answer
20
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What is the proper procedure for the preparation of p-nitroaniline using aniline and nitric acid as the starting materials, and how can the purity of the final product be confirmed using various analytical techniques?
asked
3 days
ago
in
Chemical synthesis
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votes
1
answer
6
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How does insulin signaling pathway regulate glucose uptake in adipose tissue cells?
asked
5 days
ago
in
BioChemistry
0
votes
1
answer
31
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What is the chemical reaction responsible for the formation of acid rain and how does it affect soil pH and plant growth in affected areas?
asked
Feb 18
in
Environmental Chemistry
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1
answer
20
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What is the boiling point of magnesium chloride (MgCl2) if its melting point is -711°C? (Assuming standard pressure and the compound is in its solid form when heated to its boiling point.)
asked
Feb 17
in
Inorganic Chemistry
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votes
1
answer
21
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What is the balanced equation for the synthesis reaction between magnesium and oxygen?
asked
Feb 17
in
Chemical reactions
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votes
1
answer
22
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What is the specific mechanism behind the acidification of lakes due to acid rain and how does it impact the ecosystem, including individual species and overall biodiversity?
asked
Feb 17
in
Environmental Chemistry
0
votes
1
answer
9
views
How does the presence of metal nanoparticles affect the signal enhancement in Surface-enhanced Raman spectroscopy (SERS)?
asked
Feb 17
in
Surface Chemistry
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votes
1
answer
40
views
How does the type of molecular structure of a liquid crystal affect its properties and behavior? Specifically, compare and contrast the properties and behavior of nematic and smectic liquid crystals.
asked
Feb 13
in
Physical Chemistry
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votes
1
answer
38
views
What are the specific interactions between lipids and membrane proteins that contribute to the stability and fluidity of the cell membrane?
asked
Feb 13
in
BioChemistry
0
votes
1
answer
45
views
What type of intermolecular forces are present in a water (H2O) molecule? Provide specific examples that support your answer.
asked
Feb 13
in
Chemical bonding
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votes
1
answer
53
views
How can we design drugs that target specific genetic mutations causing genetic disorders such as cystic fibrosis or sickle cell anemia, while avoiding negative side effects on healthy cells and organs?
asked
Feb 12
in
Medicinal Chemistry
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votes
1
answer
10
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How can we design drugs for treating type 2 diabetes by targeting specific enzymes involved in glucose metabolism?
asked
Feb 12
in
Medicinal Chemistry
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votes
1
answer
32
views
How can the production process of an adhesive be optimized for increased efficiency and reduced waste in a chemical engineering setting?
asked
Feb 10
in
Chemical engineering
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votes
1
answer
34
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How can environmental chemistry principles be incorporated into the curriculum of high school chemistry courses effectively, to ensure students have a better understanding of the impact of chemicals and pollutants on the environment and human health?
asked
Feb 6
in
Chemical education
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votes
1
answer
88
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What are some effective teaching strategies for chemistry teachers to overcome the challenges of inadequate training and improve students' understanding of complex chemical concepts?
asked
Jan 30
in
Chemical education
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votes
1
answer
51
views
What is the concentration of copper ions in a water sample collected from a certain river using the square wave voltammetry method?
asked
Jan 30
in
Analytical Chemistry
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1
answer
61
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Calculate the enthalpy of adsorption for the adsorption of nitrogen gas on activated carbon at 298 K, given that the partial pressure of nitrogen gas is 1.2 atm and the amount of adsorbate adsorbed per gram of adsorbent is 0.45 mol/g. The enthalpy of liquefaction of nitrogen gas at boiling point (-196 °C) is -5.58 kJ/mol.
asked
Jan 23
in
ThermoChemistry
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1
answer
92
views
A chemistry student needs to determine the conditions at which a pure substance will change from solid to liquid phase. The substance in question has a melting point of 120 °C and a heat of fusion of 35 kJ/mol. How much heat is required to melt 100 grams of the substance at its melting point? And, what is the temperature at which the substance will start to solidify if the ambient pressure is 1 atm and the substance has cooled from its liquid phase at 150 °C to its solid phase?
asked
Jan 22
in
Physical Chemistry
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