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What specific compounds are present in a sample of an unknown substance using Raman spectroscopy and how can we identify and quantify them?
answered
Feb 14
in
Analytical Chemistry
0
votes
65
views
How can the sensitivity and selectivity of polymer-based gas sensors be enhanced?
answered
Feb 10
in
Polymer Chemistry
0
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42
views
How can the efficiency of polymer-based photovoltaic materials be improved through the manipulation of molecular structure and film morphology?
answered
Feb 7
in
Polymer Chemistry
0
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34
views
How can chemistry education be improved to better train chemistry teachers and ensure that they have the necessary qualifications to effectively teach students?
answered
Feb 4
in
Chemical education
0
votes
104
views
What are the mechanisms of action of anti-inflammatory drugs and how do they affect the body's immune response?
answered
Jan 31
in
Medicinal Chemistry
0
votes
74
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Calculate the heat (in kJ/mol) evolved when 1 mole of hydrogen gas is adsorbed on a surface if the enthalpy of adsorption for hydrogen is -30 kJ/mol.
answered
Jan 23
in
ThermoChemistry
0
votes
68
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Calculate the formal charge of the oxygen atom and the chlorine atom in the perchlorate ion, ClO₄⁻. Show your work and explain how you arrived at your answer.
answered
Jan 23
in
Inorganic Chemistry
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16
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Calculate the enthalpy change for the following combustion reaction:C2H6(g) + 7/2 O2(g) --> 2CO2(g) + 3H2O(l)Using the following reactions and their corresponding enthalpies of formation:C2H6(g) + 3 1/2 O2(g) --> 2CO2(g) + 3H2O(l) ΔH°f = -1560 kJ/mol2H2(g) + O2(g) --> 2H2O(l) ΔH°f = -484 kJ/mol.
answered
Jan 23
in
ThermoChemistry
0
votes
41
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What is the role of the therapeutic relationship?
answered
Jan 20
in
Psychology
0
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80
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What is the difference between physical and psychological dependence on a substance?
answered
Jan 20
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Psychology
0
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45
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How can self-perception theory be used for attitude change?
answered
Jan 20
in
Psychology
0
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55
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According to the psychoanalytic theory, why do we have unconscious desires and conflicts?
answered
Jan 16
in
Psychology
0
votes
95
views
What is a one-tailed test?
answered
Jan 14
in
Psychology
0
votes
26
views
What is the difference between cognitive appraisal and coping appraisal?
answered
Jan 14
in
Psychology
0
votes
52
views
What is the role of justification in cognitive dissonance theory?
answered
Jan 13
in
Psychology
0
votes
72
views
What are the similarities and differences between trait and biological theories of personality?
answered
Jan 13
in
Psychology
0
votes
102
views
What is the difference between a phobia and a fear?
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Jan 13
in
Psychology
0
votes
65
views
When water particles become hot enough to overcome the force of attraction between them, what happens to the water?
answered
Jan 8
in
Science
0
votes
54
views
What is used to fluoridate drinking water to promote dental health
answered
Jan 7
in
Science
0
votes
46
views
Vibrating objects such as drumheads produce what?
answered
Jan 2
in
Science
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