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0
votes
18
views
How does pH affect the stability of oil-in-water emulsions?
answered
4 days
ago
in
Surface Chemistry
0
votes
22
views
What is the optimum temperature and pressure for the production of polyethylene oxide from the monomer ethylene oxide using a catalytic reactor? And what are the key properties of the resulting polymer, such as molecular weight and functionality?
answered
4 days
ago
in
Chemical synthesis
0
votes
26
views
What is the bond angle of the molecule SF6, and how does the molecule's shape relate to its bond angle?
answered
4 days
ago
in
Chemical bonding
0
votes
26
views
How does the molecular structure of a fluorescent dye affect its fluorescence properties under photochemical reactions?
answered
5 days
ago
in
PhotoChemistry
0
votes
54
views
Calculate the standard electrode potential for the following reaction: Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s) Given that the standard electrode potential for the reduction of Cu2+ to Cu is +0.34 V and the standard electrode potential for the reduction of Zn2+ to Zn is -0.76 V.
answered
Feb 3
in
ElectroChemistry
0
votes
61
views
What is the structure of compound X based on its proton NMR spectrum, which shows a singlet at 1.2 ppm with an integration of 3, a doublet at 2.5 ppm with an integration of 2, and a quartet at 3.7 ppm with an integration of 1?
answered
Jan 31
in
Analytical Chemistry
0
votes
77
views
How can the chemical engineering principles be applied to design an efficient and cost-effective system for the treatment of industrial wastewater that removes heavy metals and organic pollutants while maintaining acceptable pH and biological oxygen demand (BOD) levels?
answered
Jan 31
in
Chemical engineering
0
votes
88
views
Which is more acidic- Aldehyde or Ketone? Explain with proper reasoning and chemical equations.
answered
Jan 31
in
Organic Chemistry
0
votes
59
views
How can Raman spectroscopy be used to identify the presence of specific compounds in a sample? Provide a detailed explanation and example of its application in identifying the presence of a specific compound in a given sample.
answered
Jan 29
in
Analytical Chemistry
0
votes
58
views
Calculate the enthalpy of oxidation of methane gas ($CH_4$) when it is burned completely in the presence of excess oxygen gas ($O_2$), given that the standard enthalpy of formation of $CH_4$ is -74.8 kJ/mol and the standard enthalpy of formation of $H_2O$ is -285.8 kJ/mol.
answered
Jan 23
in
ThermoChemistry
0
votes
72
views
A chemist is attempting to electroplate copper onto a steel surface using a copper sulfate solution. The standard reduction potential for this reaction is -0.34 V, but the scientist is only seeing a voltage of -0.53 V. Calculate the overpotential for this electrochemical reaction.
answered
Jan 22
in
ElectroChemistry
0
votes
45
views
Please compare the prevalence of depression in males and females.
answered
Jan 17
in
Psychology
0
votes
43
views
When might cognitive dissonance occur?
answered
Jan 17
in
Psychology
0
votes
33
views
Who is known for the social-learning theory?
answered
Jan 17
in
Psychology
0
votes
36
views
How do we evaluate the practical utility of psychodynamic theories?
answered
Jan 16
in
Psychology
0
votes
12
views
What are some common fallacies in psychological research?
answered
Jan 15
in
Psychology
0
votes
39
views
What are some common cognitive biases in social anxiety?
answered
Jan 14
in
Psychology
0
votes
70
views
What is the cognitive-behavioural model?
answered
Jan 13
in
Psychology
0
votes
80
views
Which muscles allow your fingers to also make precise movements for actions?
answered
Jan 8
in
Science
0
votes
40
views
What process refers to the changes that occur in populations of living organisms over time?
answered
Jan 7
in
Science
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