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0
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71
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What is the mechanism behind the photo-induced isomerization of [Ru(bpy)3]2+ (tris(bipyridine)ruthenium(II)) and why does the process occur rapidly in solution but slowly in solid state?
answered
Feb 22
in
Quantum Chemistry
0
votes
83
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What is the enthalpy of combustion of ethanol (C2H5OH) if the standard enthalpy change of combustion of ethanol is -1367 kJ/mol and the heat of formation of water (H2O) is -285.8 kJ/mol?
answered
Feb 20
in
ThermoChemistry
0
votes
78
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How does the cooling rate affect the crystalline morphology of a polymer and what is the relationship between the crystalline morphology and the mechanical properties of the polymer?
answered
Feb 19
in
Polymer Chemistry
0
votes
75
views
What is the balanced chemical equation for the reaction of hydrochloric acid and sodium bicarbonate that results in the evolution of carbon dioxide gas?
answered
Feb 17
in
Chemical reactions
0
votes
75
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How can we design and synthesize a metal-organic framework with optimized pore size for the efficient capture of a specific gas molecule?
answered
Feb 12
in
Coordination Chemistry
0
votes
128
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How can the synthesis and characterization of new materials, such as nanofibrous membranes, be optimized to effectively remove organic pollutants from water sources without compromising the material's structural stability and durability?
answered
Feb 11
in
Materials Chemistry
0
votes
136
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How can the principles of quantum mechanics be utilized to predict the catalytic activity and selectivity of a given chemical reaction?
answered
Feb 10
in
Quantum Chemistry
0
votes
123
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Calculate the standard enthalpy change for the precipitation reaction between 70.0 mL of 0.500 M lead(II) nitrate solution and excess sodium iodide solution at 25°C, if the resulting precipitate is PbI2 and the specific heat capacity of the solution is 4.18 J g^-1°C^-1.
answered
Feb 3
in
Chemical thermodynamics
0
votes
167
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What is the effect of adding a catalyst on the equilibrium position of a redox reaction where iodate ions combine with sulfite ions in an acidic solution to create iodide ions and sulfate ions? Calculate the new equilibrium constant with and without the catalyst given the reaction equation: IO3^- (aq) + 3SO3^2- (aq) + H2O (l) → I^- (aq) + 3SO4^2- (aq) + 2H+ (aq) Assume the temperature, pressure and volume remain constant, and that the initial concentrations of each reactant and product are known.
answered
Jan 30
in
Chemical equilibrium
0
votes
93
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Calculate the corrosion potential of iron (Fe) in a 1 M solution of hydrochloric acid (HCl) at 25°C, given that the standard reduction potential of Fe is -0.44 V and the standard reduction potential of HCl is 1.36 V. What is the likelihood of iron corroding in this environment?
answered
Jan 23
in
ElectroChemistry
0
votes
49
views
Why is the social learning theory not considered a complete explanation for behaviour?
answered
Jan 20
in
Psychology
0
votes
108
views
What is a possible negative outcome of unresolved conflict?
answered
Jan 20
in
Psychology
0
votes
117
views
Why do some researchers suggest that personality traits, such as narcissism and aggression, may be linked to school shootings?
answered
Jan 20
in
Psychology
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votes
50
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Who developed the cognitive-mediational theory?
answered
Jan 20
in
Psychology
0
votes
60
views
When studying correlation, how can a third variable impact the results?
answered
Jan 17
in
Psychology
0
votes
84
views
Who developed the concept of the 'good-me, bad-me'?
answered
Jan 15
in
Psychology
0
votes
58
views
What are the main themes of existential psychology?
answered
Jan 15
in
Psychology
0
votes
226
views
What is the role of expectations in pain perception?
answered
Jan 15
in
Psychology
0
votes
113
views
What is an example of groupthink?
answered
Jan 13
in
Psychology
0
votes
55
views
What is the function of the ego in Freud's theory?
answered
Jan 13
in
Psychology
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