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0
votes
1
answer
33
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How does the photochemical behavior of different photovoltaic materials affect their efficiency in converting light into electrical energy?
asked
Feb 22
in
PhotoChemistry
0
votes
1
answer
38
views
What is the mechanism behind the photochemical properties of photovoltaic materials and how does it affect their efficiency in converting light into electricity?
asked
Feb 20
in
PhotoChemistry
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votes
1
answer
54
views
How does the concentration and type of pesticide residue found in commonly consumed fruits and vegetables vary across different regions of the world, and how does this impact human health in those areas?
asked
Feb 18
in
Environmental Chemistry
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votes
1
answer
43
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How does the absorption spectrum of a lanthanide complex change in response to exposure to different wavelengths of light, and what factors influence the efficiency of its photochemistry?
asked
Feb 17
in
PhotoChemistry
0
votes
1
answer
37
views
How does substrate concentration affect the rate of enzyme-catalyzed reactions? Provide a detailed explanation supported with experimental evidence.
asked
Feb 14
in
BioChemistry
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votes
1
answer
42
views
What are the different modes of action of various organic ultraviolet (UV) filters used in sunscreen lotions and how do they protect the skin from harmful UV radiation?
asked
Feb 14
in
PhotoChemistry
0
votes
1
answer
35
views
How does Nitrogen and Phosphorus pollution affect the concentration of dissolved oxygen in water and what chemical processes contribute to this effect?
asked
Feb 13
in
Environmental Chemistry
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votes
1
answer
68
views
How does the energy transfer process occur between molecules in a gas-phase reaction and what factors affect the rate of this transfer as studied by molecular dynamics simulations in quantum chemistry?
asked
Feb 13
in
Quantum Chemistry
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votes
1
answer
69
views
How can we improve the absorption capacity of superabsorbent polymers while maintaining their mechanical strength?
asked
Feb 13
in
Polymer Chemistry
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votes
1
answer
82
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How many kJ of heat are released when 2.5 g of octane undergo complete combustion according to the reaction:$$C_8H_{18} + 12.5 O_2 \rightarrow 8 CO_2 + 9 H_2O$$Given: Enthalpy of combustion of octane = -5,470 kJ/mol.
asked
Feb 13
in
ThermoChemistry
0
votes
1
answer
35
views
How can we design drugs that selectively target cancer cells without harming healthy cells? What chemical properties and molecular structures should be considered in the design of such drugs?
asked
Feb 12
in
Medicinal Chemistry
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votes
1
answer
60
views
How can the synthesis and characterization of new materials be optimized to increase the efficiency of solar cells?
asked
Feb 11
in
Materials Chemistry
0
votes
1
answer
91
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How can the production process of a specific food additive be optimized in terms of yield and purity, while minimizing environmental impact and production costs using chemical engineering principles?
asked
Feb 10
in
Chemical engineering
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votes
1
answer
46
views
How can the conductivity of polymer electrolytes for batteries be improved by modifying the chemical structure of the polymer?
asked
Feb 6
in
Polymer Chemistry
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votes
1
answer
81
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Here's a precise problem for the student to solve: Calculate the standard enthalpy change for the neutralization of 50 mL of 0.10 M hydrochloric acid (HCl) with 50 mL of 0.10 M sodium hydroxide (NaOH) at 25°C, given that the specific heat capacity of the solution is 4.18 J/(g °C) and the density of the solution is 1.00 g/mL.
asked
Feb 4
in
Chemical thermodynamics
0
votes
1
answer
43
views
According to Bowlby, how does early attachment style influence adult relationships?
asked
Jan 15
in
Psychology
0
votes
1
answer
42
views
When does the Social Learning Theory suggest learning occurs?
asked
Jan 15
in
Psychology
0
votes
1
answer
45
views
What is Family Systems Theory?
asked
Jan 15
in
Psychology
0
votes
1
answer
77
views
Which type of muscle is most common in the human body?
asked
Jan 8
in
Science
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votes
1
answer
63
views
What is the molten material deep within the earth?
asked
Jan 7
in
Science
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