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0
votes
1
answer
13
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How does the reaction rate affect the safety of a chemical reaction, and what steps can be taken to ensure safe handling of the chemicals involved in the reaction?
asked
1 day
ago
in
Chemical kinetics
0
votes
1
answer
23
views
How does the molecular structure of a dye or pigment affect its photochemical properties and behavior under different light intensities?
asked
4 days
ago
in
PhotoChemistry
0
votes
1
answer
17
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How does the cooling rate affect the crystal size in the polymerization process of polyethylene?
asked
6 days
ago
in
Polymer Chemistry
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votes
1
answer
29
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How does the choice of solvent affect the fluorescence properties of a specific fluorescent dye in photochemistry?
asked
6 days
ago
in
PhotoChemistry
0
votes
1
answer
26
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How do Persistent organic pollutants (POPs) affect aquatic ecosystems and what measures can be taken to prevent their accumulation in the food chain?
asked
Feb 14
in
Environmental Chemistry
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votes
1
answer
37
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What is the effect of molecular orientation on the reaction rate of a chemical reaction between magnesium and hydrochloric acid?
asked
Feb 13
in
Chemical kinetics
0
votes
1
answer
9
views
How can we design a new drug that specifically targets the cancer cell without harming the healthy cells in the body?
asked
Feb 12
in
Medicinal Chemistry
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votes
1
answer
31
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How does the coordination chemistry of metalloproteins and metalloenzymes affect their biological function? Provide at least 3 examples with detailed explanations and relevant chemical structures.
asked
Feb 12
in
Coordination Chemistry
0
votes
1
answer
32
views
How can the physical and chemical properties of polymer-based biomaterials be optimized to enhance tissue regeneration efficiency and biocompatibility in tissue engineering applications?
asked
Feb 10
in
Polymer Chemistry
0
votes
1
answer
30
views
How can the photochemical degradation of pollutants in the environment be optimized using various photocatalytic materials and techniques?
asked
Feb 10
in
PhotoChemistry
0
votes
1
answer
28
views
How can the level of volatile organic compounds (VOCs) in outdoor air be monitored and reduced to improve air quality in a given city or urban area? Determine the most effective strategies and technologies for reducing VOCs emissions and evaluate their potential impact on the environment and public health.
asked
Feb 7
in
Environmental Chemistry
0
votes
1
answer
35
views
How can chemistry educators overcome limited opportunities for hands-on experimentation in the classroom for effective chemical education?
asked
Feb 4
in
Chemical education
0
votes
1
answer
56
views
Determine the heat capacity of a 50-g sample of iron that is heated from 25°C to 100°C using 500 J of heat.
asked
Feb 4
in
Chemical thermodynamics
0
votes
1
answer
54
views
How do changes in enzyme activity and gene expression affect carbohydrate metabolism in the liver during fasting and fed states?
asked
Jan 31
in
BioChemistry
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votes
1
answer
66
views
What is the effect of size and shape on the electronic and optical properties of gold nanoparticles? Perform quantum chemical calculations to compare and contrast the properties of spherical and triangular shaped gold nanoparticles with diameters ranging from 3 to 15 nm.
asked
Jan 31
in
Quantum Chemistry
0
votes
1
answer
77
views
How can chemistry students increase their awareness of safety protocols in the lab and actively implement these protocols to ensure a safe and productive laboratory experience for themselves and their peers?
asked
Jan 30
in
Chemical education
0
votes
1
answer
62
views
Calculate the enthalpy change for the polymerization of ethylene to polyethylene if it is known that the heat of combustion of ethylene is -1411 kJ/mol and the enthalpy of formation of polyethylene is -248 kJ/mol. Assume that the reaction occurs at constant pressure and temperature of 25°C.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
106
views
A student needs to calculate the resistance of an electrochemical cell that has a concentration of 0.1 M for both copper(II) and zinc(II) ions, using an electrochemical sensor that measures 2.5 volts for the cell. Calculate the resistance of the electrochemical cell at room temperature, given that the Faraday constant is 96485 C/mol and the gas constant is 8.314 J/(mol·K).
asked
Jan 22
in
ElectroChemistry
0
votes
1
answer
89
views
Identify the major product(s) of the following rearrangement reaction:Assume that the reaction takes place under typical conditions for similar reactions, and that all the necessary reagents are present in excess.
asked
Jan 21
in
Organic Chemistry
0
votes
1
answer
37
views
What is the main premise of the social identity theory of psychosis?
asked
Jan 20
in
Psychology
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