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0
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1
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What is the relationship between zeta potential and colloidal stability? How can zeta potential be measured experimentally? What factors affect the zeta potential of a particular colloidal system?
asked
Feb 24
in
Surface Chemistry
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votes
1
answer
28
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What are the optimum conditions for synthesizing a conductive polymer with high conductivity suitable for use in flexible electronics?
asked
Feb 22
in
Materials Chemistry
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1
answer
32
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What is the mechanism for a ligand substitution reaction between [Co(H2O)6]2+ and Cl- in aqueous solution?
asked
Feb 20
in
Coordination Chemistry
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1
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34
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What is the chemical equation for the gas evolution reaction that occurs when magnesium metal reacts with hydrochloric acid and how does this reaction demonstrate the relationship between acid strength and reactivity with metals?
asked
Feb 18
in
Chemical reactions
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votes
1
answer
39
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What are the differences between the primary, secondary, tertiary, and quaternary structures of nucleic acids and how do these structural differences affect their functions in biological systems?
asked
Feb 14
in
BioChemistry
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1
answer
47
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How can the performance of polymer-based membranes for water treatment be improved by modifying the structure and properties of the polymer?
asked
Feb 10
in
Polymer Chemistry
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1
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44
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How can quantum chemical calculations help explain the strength and stability of non-covalent interactions between molecules such as hydrogen bonding, van der Waals forces, and π-π stacking in biological systems? Provide specific examples from published literature where these calculations have been used to investigate non-covalent interactions in biomolecules such as proteins, nucleic acids, or carbohydrates.
asked
Feb 5
in
Computational Chemistry
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votes
1
answer
109
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Identify the type of bonding that occurs in sodium chloride, graphite, and copper based on their respective properties and explain the reasons behind each type of bonding.
asked
Jan 30
in
Chemical bonding
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1
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88
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A chemistry student wants to determine the percent composition of calcium oxide in a given sample of limestone. The student does an experiment and obtains the mass of the limestone sample, the mass of carbon dioxide evolved upon heating the limestone, and the mass of calcium oxide left behind. Using mass balance calculations, determine the percent composition of calcium oxide in the limestone sample.
asked
Jan 22
in
Analytical Chemistry
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1
answer
135
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A certain metal oxide has an enthalpy of formation of -589.3 kJ/mol. When a 5.60 g sample of this oxide is reduced with excess hydrogen gas, the enthalpy change for the reaction is found to be -129.3 kJ/mol. Calculate the enthalpy of reduction per mole of this oxide.
asked
Jan 22
in
ThermoChemistry
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1
answer
136
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When evaluating a theory, what is the criterion for internal consistency?
asked
Jan 20
in
Psychology
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1
answer
41
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Please compare the nomothetic and idiographic approaches to diagnosis in abnormal psychology.
asked
Jan 20
in
Psychology
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1
answer
43
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What does the transdiagnostic model of psychosis suggest about comorbidity?
asked
Jan 20
in
Psychology
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1
answer
35
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Please evaluate Rosenhan's study on psychiatric hospitals.
asked
Jan 20
in
Psychology
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votes
1
answer
64
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Where do parallel-processing theories suggest visual information is processed?
asked
Jan 20
in
Psychology
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votes
1
answer
108
views
Please compare the cognitive and behavioural treatments for anxiety disorders.
asked
Jan 17
in
Psychology
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votes
1
answer
63
views
Where is the criterion of explanatory power relevant?
asked
Jan 16
in
Psychology
0
votes
1
answer
81
views
According to the Self-Perception theory, how does behaviour influence attitude?
asked
Jan 16
in
Psychology
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votes
1
answer
42
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Where did the Bio-Psycho-Social Model originate?
asked
Jan 15
in
Psychology
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1
answer
60
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What is the weakness of falsifiability?
asked
Jan 15
in
Psychology
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