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0
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34
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How does the presence of chlorofluorocarbons (CFCs) in the atmosphere contribute to the depletion of ozone, and what are the potential consequences of this depletion on the environment and human health?
answered
Feb 22
in
Environmental Chemistry
0
votes
29
views
What is the most efficient method for synthesizing polyvinyl chloride from vinyl chloride monomer at a large scale?
answered
Feb 21
in
Chemical synthesis
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35
views
How does the molecular structure of a conductive polymer affect its conductivity and mechanical properties, and how can this knowledge be used to design more efficient and durable flexible electronic devices?
answered
Feb 21
in
Materials Chemistry
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43
views
How does the Langmuir adsorption isotherm relate to the adsorption of a gas onto a solid surface? Illustrate your answer with a diagram and calculate the monolayer capacity of the solid from the given data using Langmuir's equation.
answered
Feb 20
in
Surface Chemistry
0
votes
26
views
What is the coordination number of the complex formed between Ni2+ and ethylenediamine (en)? What is the structure of the complex and is it likely to be tetrahedral or octahedral?
answered
Feb 19
in
Coordination Chemistry
0
votes
69
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How does light intensity affect the rate of photochemical reactions in the process of photosynthesis?
answered
Feb 13
in
PhotoChemistry
0
votes
74
views
What is the concentration of potassium ions in a 0.1 M solution of potassium chloride using a potassium ion-selective electrode?
answered
Feb 13
in
Analytical Chemistry
0
votes
62
views
How can the yield of biofuels be improved through the optimization of reaction conditions in the biofuel production process?
answered
Feb 13
in
Chemical engineering
0
votes
38
views
How can nanoparticles be used in the remediation of soil contaminated with heavy metals and organic pollutants, and what are the potential risks associated with their use?
answered
Feb 5
in
Environmental Chemistry
0
votes
37
views
How can Fourier-transform infrared spectroscopy (FTIR) be used to characterize the chemical structure of polymers? Provide an example of a specific polymer and discuss the relevant spectral features that would be observed in an FTIR spectrum.
answered
Feb 5
in
Polymer Chemistry
0
votes
43
views
How can chemistry students overcome the challenge of limited availability of chemistry-related internships and job opportunities in today's market?
answered
Feb 5
in
Chemical education
0
votes
77
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What is the rate constant for the reaction between methane and chlorine gas to form methyl chloride and HCl in the gas phase, at a temperature of 600 K and a pressure of 1 atm, using Monte Carlo simulations?
answered
Jan 31
in
Computational Chemistry
0
votes
101
views
What is the concentration of iron (II) ions in a solution if the absorbance reading from the colorimeter is 0.43 and the path length of the solution in the cuvette is 1 cm? The molar absorption coefficient of iron (II) ions is 6.16 x 10^3 M^-1 cm^-1. The solution has a volume of 10 mL. Calculate the concentration of iron (II) ions in the solution in units of Molarity.
answered
Jan 30
in
Analytical Chemistry
0
votes
96
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A certain chemical reaction has a delta H value of -120 kJ/mol. If 2.5 moles of this reactant undergo the reaction, how much energy is released or absorbed by the reaction?
answered
Jan 22
in
ThermoChemistry
0
votes
46
views
Where does the concept of 'existential emptiness' come from?
answered
Jan 20
in
Psychology
0
votes
68
views
Where does Gestalt therapy originate?
answered
Jan 17
in
Psychology
0
votes
102
views
Why do biological psychologists focus on the role of the brain and genetic factors in behaviour?
answered
Jan 17
in
Psychology
0
votes
107
views
How has the study of abnormal psychology evolved over time?
answered
Jan 16
in
Psychology
0
votes
35
views
According to the Self-Efficacy Theory, what is self-efficacy?
answered
Jan 15
in
Psychology
0
votes
84
views
According to the ecological validity of correlational research, what does it refer to?
answered
Jan 15
in
Psychology
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