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How does the size and shape of nanoparticles affect their electronic and optical properties, and how can we calculate and predict these properties using quantum chemistry methods?
asked
1 day
ago
in
Quantum Chemistry
0
votes
1
answer
13
views
How does the presence of a reaction intermediate affect the rate of a chemical reaction, and can this effect be quantified using experimental techniques?
asked
3 days
ago
in
Chemical kinetics
0
votes
1
answer
27
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What is the effect of varying concentrations of hydroxyapatite nanoparticles on the mechanical properties of collagen-based biomaterials used in tissue engineering?
asked
6 days
ago
in
Materials Chemistry
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1
answer
26
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What factors influence the color of inorganic compounds and how can we predict the color of various compounds based on their electronic structure and coordination geometry?
asked
Feb 18
in
Inorganic Chemistry
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votes
1
answer
31
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How does the chemical composition of natural products affect their pharmacological activity and potential for medicinal use?
asked
Feb 18
in
Medicinal Chemistry
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1
answer
41
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What are the key differences between Differential Scanning Calorimetry (DSC) and Thermal Gravimetric Analysis (TGA) for the characterization of polymeric materials and how do these differences affect the interpretation of the test results?
asked
Feb 12
in
Polymer Chemistry
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1
answer
56
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Calculate the standard enthalpy and entropy change for the reaction, given the following information:2 H2(g) + O2(g) → 2 H2O(g)∆H°f [H2O(g)] = -241.8 kJ/mol∆H°f [H2(g)] = 0 kJ/mol∆H°f [O2(g)] = 0 kJ/mol∆S° [H2O(g)] = 188.8 J/Kmol∆S° [H2(g)] = 130.7 J/Kmol∆S° [O2(g)] = 205.2 J/KmolAssuming that all heat capacities are independent of temperature, calculate ∆S°rxn and ∆H°rxn for this reaction.
asked
Feb 3
in
Inorganic Chemistry
0
votes
1
answer
48
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Calculate the standard electrode potential for the redox reaction between the half cells Ag/Ag+ and Cu2+/Cu at 25°C, given that the standard electrode potentials for the half cells are +0.80 V and +0.34 V respectively.
asked
Feb 3
in
Chemical thermodynamics
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votes
1
answer
50
views
What are the two types of correlation?
asked
Jan 20
in
Psychology
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votes
1
answer
9
views
How does discursive psychology approach research?
asked
Jan 17
in
Psychology
0
votes
1
answer
68
views
Who first coined the term positive psychology?
asked
Jan 17
in
Psychology
0
votes
1
answer
28
views
How does attachment theory explain the impact of childhood trauma?
asked
Jan 17
in
Psychology
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votes
1
answer
70
views
Where may the psychodynamic theory be critiqued?
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Jan 16
in
Psychology
0
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1
answer
21
views
What criticisms have been lodged against social learning theory?
asked
Jan 16
in
Psychology
0
votes
1
answer
46
views
What is the justification-suppression model?
asked
Jan 16
in
Psychology
0
votes
1
answer
35
views
According to the operant conditioning theory, why do we respond to environmental stimuli?
asked
Jan 16
in
Psychology
0
votes
1
answer
54
views
What is explanatory power in theory evaluation?
asked
Jan 15
in
Psychology
0
votes
1
answer
41
views
What is priming?
asked
Jan 14
in
Psychology
0
votes
1
answer
32
views
What are the Big Five personality traits?
asked
Jan 13
in
Psychology
0
votes
1
answer
75
views
What are the two types of charges?
asked
Jan 6
in
Science
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