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What is the most efficient solvent extraction method to recover valuable metals such as gold and silver from electronic waste using a continuous-flow system?
answered
3 days
ago
in
Chemical engineering
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votes
19
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What is the effect of temperature on the photochemical reaction rate of a specific compound under constant light intensity?
answered
5 days
ago
in
PhotoChemistry
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28
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How does the cost-effectiveness of a chemical reaction change with varying reaction rates?
answered
6 days
ago
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Chemical kinetics
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34
views
What is the synthesis pathway of a biodegradable polymer, such as poly(lactic acid) (PLA), and what factors affect its properties, including its biodegradability?
answered
Feb 14
in
Polymer Chemistry
0
votes
33
views
What are the key enzymes and biochemical pathways involved in nitrogen assimilation in plants? How do these pathways differ between different plant species and under different environmental conditions?
answered
Feb 14
in
BioChemistry
0
votes
34
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How can the molecular structure of a liquid crystal be manipulated to alter its optical properties, such as birefringence and polarization, for potential applications in display technology?
answered
Feb 10
in
Physical Chemistry
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40
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Calculate the standard enthalpy of formation of ethane (C2H6) given the following bond energies (in kJ/mol):C-C: 347C-H: 413 Note: The equation for the formation of ethane is:C(graphite) + 3H2(g) -> C2H6(g)
answered
Feb 3
in
ThermoChemistry
0
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57
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How does ATP regulate the glycolysis pathway?
answered
Jan 31
in
BioChemistry
0
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91
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What is the structure of the molecule responsible for the peak at 1700 cm$^{-1}$ in the IR spectrum of a compound?
answered
Jan 30
in
Physical Chemistry
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62
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Calculate the concentration of Cl^- ions in a solution if the electrode potential of a Pt/AgCl electrode in the solution is measured to be +0.222 V versus the standard hydrogen electrode (SHE) at 25°C. The standard electrode potential for the reaction AgCl(s) + e^- → Ag(s) + Cl^- is +0.222 V versus SHE at 25°C. Assume the activity coefficient of Cl^- ions in the solution is equal to 1.
answered
Jan 23
in
ElectroChemistry
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votes
10
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Who demonstrated the importance of ecological validity in research?
answered
Jan 20
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Psychology
0
votes
9
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How does discursive psychology approach research?
answered
Jan 17
in
Psychology
0
votes
55
views
According to cognitive dissonance theory, what is the relationship between behaviour and attitude?
answered
Jan 17
in
Psychology
0
votes
29
views
Who were the participants in Dr. Lydia Kwok's study?
answered
Jan 17
in
Psychology
0
votes
32
views
Why is heredity important for evaluating animal psychology?
answered
Jan 16
in
Psychology
0
votes
29
views
How can the evolutionary theory of motivation be criticised?
answered
Jan 16
in
Psychology
0
votes
9
views
When evaluating the relevance of a theory, what needs to be considered?
answered
Jan 16
in
Psychology
0
votes
66
views
Why do Gestalt theorists emphasise the importance of perception as a whole?
answered
Jan 15
in
Psychology
0
votes
56
views
According to the theory of reinforcement learning, how do artificial intelligence models learn to perform tasks?
answered
Jan 15
in
Psychology
0
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35
views
What is the Central Limit Theorem?
answered
Jan 14
in
Psychology
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