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User Rosaline02Y
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0
votes
1
answer
70
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How does the rate of reaction vary with respect to the orientation of reactant molecules? Provide experimental evidence to support your answer.
asked
Feb 22
in
Chemical kinetics
0
votes
1
answer
86
views
How does the molecular weight of the polymer affect the mechanical properties of the 3D printed object?
asked
Feb 21
in
Materials Chemistry
0
votes
1
answer
76
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How does the molecular weight of a polymer affect its physical properties at different temperatures, and what is the relationship between polymer molecular weight and its glass transition temperature?
asked
Feb 21
in
Physical Chemistry
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votes
1
answer
80
views
How does temperature affect the phase transition of water from solid (ice) to liquid using Monte Carlo simulations in computational chemistry?
asked
Feb 17
in
Computational Chemistry
0
votes
1
answer
82
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What factors affect the fluorescence quantum yield of a fluorescent dye and how can these factors be optimized for maximum fluorescence intensity in photochemical experiments?
asked
Feb 14
in
PhotoChemistry
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1
answer
88
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How can the electrical conductivity of semiconductors be manipulated by doping with specific impurities and what is the effect of this on the properties of electronic devices such as transistors?
asked
Feb 7
in
Materials Chemistry
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1
answer
126
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Calculate the standard enthalpy change for the reaction: CH3OH (l) + 3/2 O2 (g) -> CO2 (g) + 2H2O (l) given the standard enthalpies of formation for CH3OH (l), CO2 (g) and H2O (l) as -238.6 kJ/mol, -393.5 kJ/mol and -285.8 kJ/mol respectively.
asked
Feb 3
in
Chemical thermodynamics
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votes
1
answer
121
views
How do changes in temperature affect the structure and dynamics of a lipid bilayer membrane? Use molecular dynamics simulations to investigate the changes in lipid bilayer properties as temperature increases or decreases.
asked
Jan 31
in
Computational Chemistry
0
votes
1
answer
132
views
How do the photochemical properties of bioluminescent organisms differ from those of chemiluminescent organisms, and what factors contribute to these differences?
asked
Jan 31
in
PhotoChemistry
0
votes
1
answer
139
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What is the chemical structure of the unknown compound X, which exhibits the NMR spectrum below: - a singlet at δ 1.2 ppm (integral = 3H)- a triplet at δ 1.4 ppm (integral = 2H)- a quartet at δ 2.0 ppm (integral = 2H)- a doublet at δ 2.5 ppm (integral = 3H)- a singlet at δ 7.3 ppm (integral = 1H)
asked
Jan 30
in
Analytical Chemistry
+1
vote
1
answer
77
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How accurately can we determine the purity of a given sample of a substance using melting point determination and what are the possible sources of error in this process?
asked
Jan 29
in
Analytical Chemistry
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1
answer
104
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A 0.50 L vessel contains 1.0 mol of N2(g) and 3.0 mol of H2(g) at equilibrium at 400 K according to the following equation:N2(g) + 3H2(g) ⇌ 2NH3(g)If the volume of the vessel is suddenly decreased to 0.25 L, what will happen to the equilibrium position? Will the concentration of NH3 increase or decrease? Calculate the new equilibrium constant at this new volume.
asked
Jan 22
in
Chemical equilibrium
0
votes
1
answer
64
views
What is the Norm of Reciprocity?
asked
Jan 20
in
Psychology
0
votes
1
answer
54
views
Please evaluate the cognitive dissonance theory.
asked
Jan 17
in
Psychology
0
votes
1
answer
118
views
How does the cognitive neoassociation theory explain aggression?
asked
Jan 15
in
Psychology
0
votes
1
answer
44
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Please compare and contrast the psychodynamic and trait perspectives on personality.
asked
Jan 15
in
Psychology
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1
answer
87
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What is individual psychology?
asked
Jan 14
in
Psychology
0
votes
1
answer
60
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What is the difference between obsessive-compulsive disorder and obsessive-compulsive personality disorder?
asked
Jan 14
in
Psychology
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votes
1
answer
62
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What is the difference between a stereotype and a prejudice?
asked
Jan 14
in
Psychology
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1
answer
97
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How is cultural relativism applied in cross-cultural psychology?
asked
Jan 14
in
Psychology
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