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0
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1
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27
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What is the effect of molecular weight on the rheological properties of polymer melts?
asked
Feb 21
in
Polymer Chemistry
0
votes
1
answer
30
views
How does the presence of metal nanoparticles affect the signal enhancement in Surface-enhanced Raman spectroscopy (SERS)?
asked
Feb 17
in
Surface Chemistry
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votes
1
answer
38
views
What strategies can be used to overcome inadequate preparation for a chemistry exam, and how can a student develop a study plan that ensures complete understanding of the material as well as confidence in their ability to succeed on the exam?
asked
Feb 14
in
Chemical education
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votes
1
answer
46
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How does cholesterol impact the fluidity and permeability of a cell membrane?
asked
Feb 12
in
BioChemistry
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votes
1
answer
43
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How can limited exposure to current research in chemistry impact a student's understanding of the subject and hinder their ability to apply it in practical settings?
asked
Feb 6
in
Chemical education
0
votes
1
answer
61
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Calculate the standard electrode potential for the following redox reaction under standard conditions: Fe3+ + 3e- → Fe(s)
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
100
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What is the concentration of iron(II) ions in a sample of water collected from a local pond using colorimetry, if the measured absorbance of the sample at 565 nm is 0.673 and the molar absorptivity of the iron(II) complex at this wavelength is 20,500 M⁻¹·cm⁻¹?
asked
Jan 30
in
Analytical Chemistry
0
votes
1
answer
124
views
How can we use Raman spectroscopy to identify the specific compound and its concentration in a given unknown sample? What are the advantages and limitations of using Raman spectroscopy over other analytical techniques for identifying specific compounds in a sample?
asked
Jan 30
in
Analytical Chemistry
0
votes
1
answer
72
views
How can the concentration of copper in a given water sample be determined using the technique of voltammetry?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
78
views
Calculate the lattice energy of magnesium oxide (MgO) given that the ionic radii for Mg2+ and O2- are 0.72 Å and 1.40 Å respectively, and the lattice energy of MgO is -3795 kJ/mol.
asked
Jan 23
in
Inorganic Chemistry
0
votes
1
answer
59
views
Calculate the heat of hydration for the dissolution of 5.00 grams of magnesium sulfate heptahydrate in 100.0 grams of water, given that the temperature rises from 25.0°C to 30.0°C. The molar mass of magnesium sulfate heptahydrate is 246.48 g/mol and the specific heat capacity of water is 4.18 J/g°C.
asked
Jan 23
in
ThermoChemistry
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votes
1
answer
82
views
Calculate the change in entropy when 1 mole of an ideal gas is compressed from 4 L to 1 L irreversibly at a temperature of 298 K.
asked
Jan 23
in
Physical Chemistry
0
votes
1
answer
35
views
Please evaluate the social identity model of deindividuation effects SIDE .
asked
Jan 20
in
Psychology
0
votes
1
answer
56
views
How does observational learning work?
asked
Jan 20
in
Psychology
0
votes
1
answer
50
views
What is the name of the experiment in which participants were asked to administer electric shocks to a supposed fellow participant?
asked
Jan 20
in
Psychology
0
votes
1
answer
38
views
What is the role of hypothesis testing in psychology research?
asked
Jan 15
in
Psychology
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votes
1
answer
50
views
How does evolutionary psychology explain mental disorders?
asked
Jan 14
in
Psychology
0
votes
1
answer
45
views
What is the meaning of emotional regulation?
asked
Jan 14
in
Psychology
0
votes
1
answer
59
views
What is the difference between cognitive-behavioural therapy and psychoanalytic therapy?
asked
Jan 13
in
Psychology
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votes
1
answer
84
views
What is the sociocultural theory of adolescent development?
asked
Jan 13
in
Psychology
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