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User EleanoreOliv
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Answers by EleanoreOliv
0
votes
34
views
How does the size and shape of nanoparticles affect their photochemical properties and reactivity?
answered
Feb 24
in
PhotoChemistry
0
votes
26
views
What is the relationship between the photochemical properties of a dye or pigment and its color?
answered
Feb 24
in
PhotoChemistry
0
votes
29
views
What is the mechanism of the reaction between benzene and chlorine in the presence of a catalyst, and what intermediates are formed during this process?
answered
Feb 22
in
Organic Chemistry
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32
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What is the optimal temperature and reaction time required for the preparation of 2,4-dichlorobenzoic acid from benzoic acid and chlorine gas?
answered
Feb 22
in
Chemical synthesis
0
votes
34
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How does the geometry of metallofullerenes and metalloclusters affect their reactivity with different ligands?
answered
Feb 20
in
Coordination Chemistry
0
votes
36
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How does the drug interaction between Warfarin and Aspirin affect the metabolism of both drugs and what are the implications for patients taking these medications?
answered
Feb 19
in
Medicinal Chemistry
0
votes
29
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How does the degree of chirality affect the photochemical properties of a molecule?
answered
Feb 19
in
PhotoChemistry
0
votes
44
views
How does the choice of solvent affect the reaction rate of a given chemical reaction at different temperatures and concentrations?
answered
Feb 18
in
Chemical kinetics
0
votes
28
views
What is the bond enthalpy of the carbon-hydrogen bond in methane (CH4)? Provide calculations to support your answer.
answered
Feb 18
in
Chemical bonding
0
votes
58
views
How can we improve the efficiency and selectivity of polymer-based membranes for water treatment applications, while maintaining their durability in harsh environments?
answered
Feb 13
in
Polymer Chemistry
0
votes
87
views
How can we quantitatively determine the molecular weight distribution of a polymer using gel permeation chromatography (GPC) and what are the important parameters to optimize for accurate results?
answered
Feb 13
in
Polymer Chemistry
0
votes
29
views
How can we design a polymer-based smart material that can detect and respond to environmental changes such as temperature, humidity, or pH levels?
answered
Feb 12
in
Polymer Chemistry
0
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94
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Calculate the standard electrode potential for the redox reaction: Cu(s) + 2Ag+(aq) → Cu2+(aq) + 2Ag(s) Given that the standard reduction potential for Ag+ is +0.80 V and for Cu2+ is +0.34 V.
answered
Feb 3
in
Chemical thermodynamics
0
votes
94
views
How do the photochemical properties of bioluminescent organisms (such as fireflies and jellyfish) enable them to produce light, and what are the underlying chemical reactions involved in this process?
answered
Jan 31
in
PhotoChemistry
0
votes
66
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Calculate the heat of mixing (in kJ/mol) when 100 mL of 0.2 M HCl is added to 200 mL of 0.1 M NaOH at 25°C. Assume the density of the resulting solution is 1 g/mL and specific heat capacity is 4.18 J/(g*K). Also, assume the heat capacity of the solution is the same as water.
answered
Jan 23
in
ThermoChemistry
0
votes
78
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Calculate the enthalpy change for the hydrolysis of 2 moles of magnesium bromide, MgBr2, in water, given that the standard enthalpy change of formation of magnesium oxide, MgO, is -601.6 kJ/mol and the standard enthalpy change of formation of hydrogen bromide, HBr, is -36.3 kJ/mol.
answered
Jan 23
in
ThermoChemistry
0
votes
68
views
What is the impact of psychology on human behaviour?
answered
Jan 20
in
Psychology
0
votes
71
views
Where does the biopsychosocial model of health place emphasis?
answered
Jan 20
in
Psychology
0
votes
65
views
According to Cognitive Resource Theory, how does a leader make decisions?
answered
Jan 17
in
Psychology
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75
views
What is the difference between acute stress disorder and post-traumatic stress disorder?
answered
Jan 17
in
Psychology
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