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0
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34
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What is the most effective chemical treatment method for removing arsenic from contaminated soil in order to restore the site to a safe and healthy state?
answered
Feb 21
in
Environmental Chemistry
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33
views
How does the formation of surface oxides lead to passivation and prevent corrosion in metals exposed to acidic environments?
answered
Feb 20
in
Surface Chemistry
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37
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How does the absorption of light by molecules affect their electronic structure and reactivity in photocatalytic processes?
answered
Feb 17
in
Quantum Chemistry
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29
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How can we use quantum chemistry to predict the selectivity of substitution reactions in aromatic compounds?
answered
Feb 14
in
Quantum Chemistry
0
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61
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What is the difference between geometrical isomerism and optical isomerism in coordination compounds, and how do you identify them using spectroscopic methods?
answered
Feb 13
in
Coordination Chemistry
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50
views
How can the mechanical properties of a polymer-based smart material be manipulated by changing its chemical composition and processing conditions?
answered
Feb 10
in
Polymer Chemistry
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41
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How can the electronic and magnetic properties of molecular magnets be predicted using quantum chemistry? Specifically, evaluate the impact of factors such as spin, electronic structure, and magnetic interactions on the properties of these molecules. Provide examples of molecular magnets and explain their potential applications in the field of data storage and spintronics.
answered
Feb 7
in
Quantum Chemistry
0
votes
82
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Design a retrosynthetic pathway to synthesize ibuprofen starting from methylcyclohexane. Show all necessary reagents and the key steps involved in the synthesis.
answered
Feb 4
in
Organic Chemistry
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57
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Calculate the standard free energy change, ΔG°, for the following redox reaction if the standard reduction potential of Ag⁺/Ag is +0.80 V and the standard reduction potential of Cu²⁺/Cu is +0.34 V:Ag⁺(aq) + Cu(s) → Ag(s) + Cu²⁺(aq)
answered
Feb 3
in
Chemical thermodynamics
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56
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Calculate the standard enthalpy change for the precipitation reaction: AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq)given that the standard enthalpy of formation for AgCl(s) is -127.0 kJ/mol, and for NaNO3(aq) is -467.14 kJ/mol. The molar enthalpy of solution of NaCl and AgNO3 are -3.9 kJ/mol and -19.9 kJ/mol respectively.
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Feb 3
in
Chemical thermodynamics
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78
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What is the product formed when ethanol (CH3CH2OH) reacts with carboxylic acid (RCOOH) in the presence of a mineral acid catalyst? Write the mechanism of the reaction and name the functional group present in the product.
answered
Jan 21
in
Organic Chemistry
0
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125
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Who is credited with proposing the information-processing model of cognition?
answered
Jan 17
in
Psychology
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14
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According to cognitive processing theory, what is the goal of cognitive therapy for PTSD?
answered
Jan 17
in
Psychology
0
votes
97
views
When can self-actualisation be achieved, according to Maslow?
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Jan 17
in
Psychology
0
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108
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What is the purpose of the control group in a clinical trial?
answered
Jan 16
in
Psychology
0
votes
42
views
According to the Social Ecological Model, what are the five levels of influence on health behaviour?
answered
Jan 16
in
Psychology
0
votes
48
views
According to the self-verification theory, what is the importance of feedback?
answered
Jan 15
in
Psychology
0
votes
29
views
What is a criticism of unsupervised learning?
answered
Jan 15
in
Psychology
0
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43
views
What is the Dual Control Model?
answered
Jan 15
in
Psychology
0
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65
views
What is generativity versus stagnation in psychosocial development?
answered
Jan 14
in
Psychology
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