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Answers by ColinVanderm
0
votes
30
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What is the mechanism behind the photochemical properties of photovoltaic materials and how does it affect their efficiency in converting light into electricity?
answered
5 days
ago
in
PhotoChemistry
0
votes
22
views
What is the effect of nanoparticle size on their surface area to volume ratio and why is it important in catalysis?
answered
6 days
ago
in
Physical Chemistry
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votes
23
views
How does the addition of electrolytes affect the stability of a colloidal solution, and at what concentration does coagulation occur?
answered
Feb 17
in
Surface Chemistry
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votes
31
views
How does temperature affect the phase transition of water from solid (ice) to liquid using Monte Carlo simulations in computational chemistry?
answered
Feb 17
in
Computational Chemistry
0
votes
30
views
How can the use of photocatalysts assist in the degradation of air pollutants such as volatile organic compounds (VOCs) and nitrogen oxides (NOx) in urban environments?
answered
Feb 14
in
PhotoChemistry
0
votes
38
views
What type of bond is formed between two carbon atoms in a molecule of ethane (C2H6) and how is it determined?
answered
Feb 13
in
Chemical bonding
0
votes
48
views
How can we develop a novel and efficient synthetic method for producing quantum dots with controlled size, shape, and surface properties, and how can we characterize these quantum dots to understand their physical and chemical properties?
answered
Feb 12
in
Materials Chemistry
0
votes
36
views
How can the efficiency of the photochemical degradation of pollutants in the environment be improved through the use of catalysts and enhancing the absorption of light? Provide specific examples and mechanisms involved in the process.
answered
Feb 7
in
PhotoChemistry
0
votes
11
views
Given a mixture of benzene and toluene, with a mole fraction of 0.6 and 0.4 respectively, design a distillation column with a reflux ratio of 2.5 to achieve a product purity of at least 99% for both components.
answered
Feb 4
in
Chemical engineering
0
votes
64
views
What is the activation energy and reaction rate constant for the Cl + CH4 -> HCl + CH3 reaction at 298 K, calculated using quantum chemical methods?
answered
Jan 31
in
Computational Chemistry
0
votes
53
views
How can we analyze the composition of a given sample using high-performance liquid chromatography (HPLC) and obtain accurate data for the identification and quantification of its components?
answered
Jan 29
in
Analytical Chemistry
0
votes
68
views
Calculate the bond order and bond length of the nitrogen-oxygen bond in the molecule NO.
answered
Jan 23
in
Inorganic Chemistry
0
votes
53
views
At 25°C, an electrochemical cell consists of a silver electrode in a 0.010 M AgNO3 solution and a platinum electrode in a 1.0 x 10^-3 M HCl solution. Calculate the resistance of the cell if the distance between the two electrodes is 2.0 cm and the area of each electrode is 5.0 cm^2.
answered
Jan 22
in
ElectroChemistry
0
votes
76
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A chemistry student needs to calculate the new value of the ionization constant (Ka) of a weak acid when the temperature is raised from 25°C to 45°C, given that the initial value of Ka is 1.8 x 10^-5 at 25°C and the enthalpy of ionization (ΔHion) is 50.2 kJ/mol.
answered
Jan 22
in
Chemical equilibrium
0
votes
75
views
What is the oxidation state of the carbon atom in an ethanol molecule after it undergoes oxidation?
answered
Jan 21
in
Organic Chemistry
0
votes
66
views
What is the IUPAC name of the following compound?CH3CH2CH2CH2CH2CH2CH2CH2CH2CH3This question requires the student to apply their understanding of the rules of nomenclature in Organic chemistry, specifically for Alkanes and Cycloalkanes.
answered
Jan 21
in
Organic Chemistry
0
votes
43
views
Please compare self-efficacy and self-esteem in social cognition.
answered
Jan 20
in
Psychology
0
votes
38
views
How does ecological systems theory contribute to our understanding of human diversity?
answered
Jan 17
in
Psychology
0
votes
27
views
Where might bias be introduced in a clinical trial?
answered
Jan 16
in
Psychology
0
votes
31
views
What is the aversive racism theory's proposition?
answered
Jan 16
in
Psychology
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