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1
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What are the photochemical properties of Eu(III) and Tb(III) complexes with organic ligands under UV and visible light illumination?
asked
3 days
ago
in
PhotoChemistry
0
votes
1
answer
22
views
What is the effect of light intensity on the rate of reaction between potassium permanganate and oxalic acid?
asked
6 days
ago
in
Chemical kinetics
0
votes
1
answer
24
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What are the factors that influence the coordination chemistry of metalloporphyrins and metallophthalocyanines, and how does changing the metal ion affect their properties and reactivity?
asked
6 days
ago
in
Coordination Chemistry
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votes
1
answer
37
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How does the concentration of nitrogen and phosphorus affect the growth of harmful algae in aquatic ecosystems, and how can we effectively reduce these nutrient pollutants to improve water quality?
asked
Feb 19
in
Environmental Chemistry
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votes
1
answer
8
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How does pH affect zeta potential in a colloidal solution, and what is the significance of this relationship in electrokinetic phenomena in colloidal systems?
asked
Feb 14
in
Surface Chemistry
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votes
1
answer
23
views
What is the effect of varying temperature on the degree of polymerization in a Monte Carlo simulation of a polymer system consisting of ethylene monomers?
asked
Feb 13
in
Computational Chemistry
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votes
1
answer
49
views
How can the properties of adhesives be optimized to achieve maximum bonding strength and durability while minimizing environmental impact during the production process?
asked
Feb 10
in
Chemical engineering
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votes
1
answer
9
views
How can the mechanical properties of polymer-based composites be optimized for aerospace applications, taking into consideration factors such as structural stability, durability, weight and cost?
asked
Feb 10
in
Polymer Chemistry
0
votes
1
answer
48
views
How can the mechanical properties of polymer-based composites be improved for use in aerospace applications?
asked
Feb 10
in
Polymer Chemistry
0
votes
1
answer
32
views
How can technology be effectively integrated into chemistry education to enhance student engagement and understanding of complex chemical concepts?
asked
Feb 6
in
Chemical education
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votes
1
answer
29
views
How can chemistry educators provide better support for students with learning disabilities in the classroom?
asked
Feb 4
in
Chemical education
0
votes
1
answer
51
views
Given the following data for the electrochemical reaction A + B → C, where A and B are electrons:- The anodic Tafel slope is 50 mV per decade of current density.- The cathodic Tafel slope is 70 mV per decade of current density.Calculate the exchange current density (i0) for the reaction.
asked
Feb 4
in
ElectroChemistry
+1
vote
1
answer
92
views
What is the concentration of lead (Pb) in a water sample collected from a local stream using atomic absorption spectroscopy? Provide a detailed analysis of the sample and a report of the results with proper calculations and units.
asked
Jan 30
in
Analytical Chemistry
0
votes
1
answer
94
views
What are the specific functional groups present in a given organic compound (unknown substance) which exhibits absorption peaks at 1650 cm^-1 and 1740 cm^-1 in IR spectroscopy and a peak at 220 nm in UV-Vis spectroscopy? Use the graph of absorptivity versus wavelength to determine the identity and concentration of those functional groups.
asked
Jan 30
in
Analytical Chemistry
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votes
1
answer
58
views
Calculate the bond length between a carbon (C) and an oxygen (O) atom in carbon monoxide (CO), given that the bond energy is 1070 kJ/mol and the force constant is 1070 N/m.
asked
Jan 23
in
Chemical bonding
0
votes
1
answer
81
views
What is the product of the electrophilic addition reaction between propene and hydrogen chloride?
asked
Jan 21
in
Organic Chemistry
0
votes
1
answer
43
views
What is the main focus of a positivist approach in psychology research philosophy?
asked
Jan 20
in
Psychology
0
votes
1
answer
39
views
What are the implications of social learning theory for personality disorders?
asked
Jan 20
in
Psychology
0
votes
1
answer
29
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In contrast, how does gestalt therapy approach thoughts?
asked
Jan 17
in
Psychology
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votes
1
answer
37
views
According to the Social Cognitive Theory, what is the role of observation in learning new health behaviours?
asked
Jan 16
in
Psychology
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