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1
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26
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How does the selectivity of oxidation of hydrocarbons on metal surfaces change when the size of the metal nanoparticles is varied?
asked
Feb 24
in
Surface Chemistry
0
votes
1
answer
42
views
What is the most efficient reaction condition to synthesize high molecular weight polyvinylpyrrolidone from vinylpyrrolidone monomer and what is the effect of different initiators used in the reaction?
asked
Feb 21
in
Chemical synthesis
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votes
1
answer
22
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How does the length of conjugated polymer chains affect their electronic and optical properties? Use quantum chemical calculations to compare the electronic and optical properties of a short and long-chain conjugated polymer.
asked
Feb 20
in
Quantum Chemistry
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votes
1
answer
36
views
What is the dipole moment of carbon monoxide (CO) molecule?
asked
Feb 19
in
Chemical bonding
0
votes
1
answer
32
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How can we design a polymer-based pH sensor with superior sensitivity and selectivity for the detection of acidic and basic solutions?
asked
Feb 12
in
Polymer Chemistry
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votes
1
answer
26
views
How can chemistry students learn and conduct experiments effectively in a limited access laboratory setting?
asked
Feb 5
in
Chemical education
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votes
1
answer
67
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How can the concentration of a certain metal ion be determined in a given water sample using voltammetry, and what is the sensitivity and limit of detection of the voltammetric method used?
asked
Jan 29
in
Analytical Chemistry
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votes
1
answer
68
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Calculate the heat of formation of a water molecule from its elements, hydrogen and oxygen gas, given that the standard enthalpy of formation of hydrogen gas is -285.8 kJ/mol and the standard enthalpy of formation of oxygen gas is 0 kJ/mol. Show all your work and explain what the resulting sign of the enthalpy of formation means in terms of the stability of the water molecule.
asked
Jan 23
in
Chemical bonding
0
votes
1
answer
82
views
A student reacted 10.0 grams of NaOH with 12.0 grams of HCl to produce NaCl and H2O. The balanced chemical equation for the reaction is as follows:NaOH + HCl → NaCl + H2OIf the expected yield of NaCl is 9.0 grams, what is the percent yield of the reaction?
asked
Jan 22
in
Chemical reactions
0
votes
1
answer
59
views
Why are psychoeducation programs important for patients?
asked
Jan 20
in
Psychology
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votes
1
answer
65
views
What is the purpose of a Kruskal-Wallis test?
asked
Jan 17
in
Psychology
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votes
1
answer
39
views
Why is it important to consider the interdisciplinary nature of psychology?
asked
Jan 16
in
Psychology
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votes
1
answer
39
views
Who proposed the use of SSRIs in the treatment of depression?
asked
Jan 16
in
Psychology
0
votes
1
answer
38
views
What is metapsychology?
asked
Jan 16
in
Psychology
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votes
1
answer
38
views
What is the main criticism of the biological approach in psychology?
asked
Jan 16
in
Psychology
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votes
1
answer
89
views
What is the 'discursive psychology four step approach'?
asked
Jan 15
in
Psychology
0
votes
1
answer
76
views
Who proposed the theory of planned behaviour?
asked
Jan 15
in
Psychology
0
votes
1
answer
43
views
Why do we use mental schemas according to the schema theory?
asked
Jan 15
in
Psychology
0
votes
1
answer
58
views
What is the connection between trauma and dissociative disorders?
asked
Jan 15
in
Psychology
0
votes
1
answer
61
views
What is machine learning?
asked
Jan 15
in
Psychology
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