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What is the most effective catalyst to use in the synthesis of polystyrene from styrene monomer, and how does its concentration affect the rate of the reaction?
asked
Feb 21
in
Chemical synthesis
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votes
1
answer
102
views
What is the molecular geometry and bond angles of carbon dioxide?
asked
Feb 21
in
Quantum Chemistry
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votes
1
answer
86
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How does the electronic structure of a material affect its electrical conductivity, and can this be accurately predicted using density functional theory calculations?
asked
Feb 20
in
Computational Chemistry
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1
answer
87
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How does the electrokinetic potential of a colloidal system change with varying pH levels?
asked
Feb 20
in
Surface Chemistry
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votes
1
answer
208
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What is the hybridization of the central atom in the inorganic compound SF6?
asked
Feb 13
in
Inorganic Chemistry
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1
answer
156
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How can the synthesis of polystyrene from styrene monomer be optimized in order to obtain maximum yield and purity?
asked
Feb 11
in
Chemical synthesis
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1
answer
132
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How can the synthesis method affect the electrochemical performance of a novel material for energy storage applications?
asked
Feb 11
in
Materials Chemistry
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votes
1
answer
114
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How can the prediction of electronic and magnetic properties of molecular magnets using quantum chemistry be used to design more efficient and stable magnetic materials for various technological applications, such as data storage and energy conversion?
asked
Feb 10
in
Quantum Chemistry
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votes
1
answer
106
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How can the impact of radioactive waste disposal on the environment be minimized through various chemical processes and technologies?
asked
Feb 7
in
Environmental Chemistry
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votes
1
answer
103
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How can the design and implementation of safety control measures in the transportation and storage of hazardous chemicals minimize the risk of accidents and protect human health and the environment?
asked
Feb 6
in
Chemical engineering
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votes
1
answer
132
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Consider an electrochemical cell with a copper metal electrode immersed in a solution of copper sulfate, and a platinum electrode in a solution of hydrogen sulfate. The current is measured at 25°C while the cell potential is varied. The following data is obtained for the anodic and cathodic currents:Anodic current:Cell potential (V): 0.20 0.30 0.40 0.50 0.60Current (mA): 1.01 1.80 3.04 4.58 6.25Cathodic current:Cell potential (V): -0.20 -0.30 -0.40 -0.50 -0.60Current (mA): -1.00 -1.79 -3.02 -4.54 -6.19Calculate the anodic and cathodic Tafel slopes for this electrochemical cell.
asked
Feb 3
in
ElectroChemistry
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votes
1
answer
161
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Given a chemical reaction at equilibrium, if the concentration of reactants is increased, predict the direction in which the reaction will shift to establish a new equilibrium position.
asked
Jan 30
in
Chemical equilibrium
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votes
1
answer
76
views
How can we determine the concentration of chloride ions in a given solution using an ion-selective electrode?
asked
Jan 29
in
Analytical Chemistry
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votes
1
answer
101
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How can electrophoretic analysis be used to determine the molecular weight and purity of a protein sample in a given solution?
asked
Jan 29
in
Analytical Chemistry
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1
answer
174
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What is the major product(s) of the following nucleophilic substitution reaction between 1-bromopropane and sodium ethoxide in ethanol: 1-bromopropane + sodium ethoxide → ? + sodium bromide
asked
Jan 21
in
Organic Chemistry
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votes
1
answer
117
views
According to the biological model of mental illness, what is the role of neurotransmitters?
asked
Jan 20
in
Psychology
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votes
0
answers
65
views
When did Sir Fisher propose null hypothesis testing?
asked
Jan 17
in
Psychology
0
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1
answer
100
views
Who coined the phrase 'survival of the fittest'?
asked
Jan 17
in
Psychology
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0
answers
179
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When was the biopsychosocial model of pain proposed?
asked
Jan 16
in
Psychology
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votes
1
answer
119
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Who developed the theory of Psychoanalysis?
asked
Jan 15
in
Psychology
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