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How do the electronic structures and properties of transition metal complexes change when different ligands are bound to the metal center, and how can we predict these changes using ab initio computational methods?
asked
Feb 20
in
Computational Chemistry
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votes
1
answer
37
views
What is the effect of temperature on the solubility of a solute in a solvent? Provide experimental evidence to support your answer.
asked
Feb 20
in
Physical Chemistry
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votes
1
answer
26
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What is the dipole moment of hydrogen chloride (HCl) molecule and in which direction does it point?
asked
Feb 19
in
Chemical bonding
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votes
1
answer
30
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What is the chemical equation for the synthesis of benzocaine from p-aminobenzoic acid and ethanol, and what are the optimal reaction conditions and procedures for obtaining a high yield of product?
asked
Feb 18
in
Chemical synthesis
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votes
1
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36
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What is the effect of the central metal ion on the spectroscopic properties of metalloporphyrins and metallophthalocyanines? Provide experimental evidence to support your answer.
asked
Feb 18
in
Coordination Chemistry
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1
answer
30
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What is the surface area of a sample of activated carbon if 10 mL of nitrogen gas is adsorbed by the sample at 0°C and 1 atm pressure, and the BET constant k is 0.25mL/m²?
asked
Feb 18
in
Surface Chemistry
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52
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How does doping with other elements affect the superconducting properties of high-temperature superconductors?
asked
Feb 12
in
Materials Chemistry
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votes
1
answer
43
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What are the different types of isomerism exhibited by coordination compounds and how can we differentiate them experimentally?
asked
Feb 12
in
Coordination Chemistry
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votes
1
answer
38
views
How can the optical properties of a polymer-based material be controlled and optimized for specific applications, such as in optical sensors or waveguides?
asked
Feb 10
in
Polymer Chemistry
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1
answer
31
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How can the electrical conductivity of graphene be improved for its use in electronic devices?
asked
Feb 7
in
Materials Chemistry
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61
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Calculate the pH of a buffer solution consisting of 0.1 M acetic acid and 0.1 M sodium acetate, given that the dissociation constant (Ka) of acetic acid is 1.8x10^-5.
asked
Feb 3
in
Chemical reactions
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votes
1
answer
65
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Calculate the enthalpy change for the combustion of methane at standard conditions, given the following information:- The enthalpy of formation of CO2(g) is -393.5 kJ/mol.- The enthalpy of formation of H2O(g) is -241.8 kJ/mol.- The enthalpy of formation of CH4(g) is -74.8 kJ/mol.
asked
Jan 23
in
Chemical reactions
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1
answer
65
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How do indigenous psychology theories challenge Western psychology?
asked
Jan 17
in
Psychology
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1
answer
68
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Who developed the self-regulatory model?
asked
Jan 17
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Psychology
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1
answer
45
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How do cognitive processes such as attention and memory impact behaviour?
asked
Jan 16
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Psychology
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1
answer
75
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What are some criticisms of the biomedical model of pain?
asked
Jan 16
in
Psychology
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votes
1
answer
60
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Where does pragmatism place emphasis on ethics?
asked
Jan 16
in
Psychology
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votes
1
answer
33
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How does evolutionary psychology explain parental investment in offspring?
asked
Jan 15
in
Psychology
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votes
1
answer
37
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What is the focus of the Cognitive approach?
asked
Jan 15
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Psychology
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1
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94
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What does the connectionist model of memory suggest?
asked
Jan 15
in
Psychology
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