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1
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In what ways do the photochemical properties of transition metal complexes differ from those of non-transition metal complexes, and how can this be explained by their electronic structures and crystal field splitting?
asked
3 days
ago
in
PhotoChemistry
0
votes
1
answer
21
views
What is the effect of varying reactant concentrations on the reaction rate and subsequent safety precautions to be taken in a particular chemical reaction?
asked
5 days
ago
in
Chemical kinetics
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votes
1
answer
28
views
How does the coordination chemistry of metalloenzymes and metalloproteins affect their catalytic activity? Provide an example of a metalloenzyme or metalloprotein and explain how its coordination chemistry contributes to its function as a catalyst.
asked
6 days
ago
in
Coordination Chemistry
0
votes
1
answer
8
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How do the chemical properties of amino acid residues within a protein sequence influence the process of protein folding and its eventual 3D structure?
asked
Feb 18
in
BioChemistry
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votes
1
answer
29
views
How does the absorption of light affect the rate of photochemical reactions in a closed system?
asked
Feb 17
in
Physical Chemistry
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votes
1
answer
25
views
How can the polymerization reaction of styrene monomer be controlled to achieve a desired degree of polymerization and molecular weight for the synthesis of polystyrene with specific physical and chemical properties?
asked
Feb 10
in
Chemical synthesis
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votes
1
answer
32
views
How can incorporating environmental chemistry into the curriculum improve students' understanding of the impact of chemical reactions on the environment and promote sustainable practices in the field of chemistry?
asked
Feb 5
in
Chemical education
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votes
1
answer
49
views
Calculate the standard enthalpy change for the dissolution of 5 grams of ammonium chloride (NH4Cl) in water, given that the molar enthalpy of dissolution of NH4Cl is -340.0 kJ/mol. The molar mass of NH4Cl is 53.49 g/mol and the density of water is 1.00 g/mL.
asked
Feb 3
in
Chemical thermodynamics
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votes
1
answer
79
views
What is the standard enthalpy change for the combustion of methane (CH4) gas to form carbon dioxide (CO2) gas and water (H2O) at 298 K? Use quantum chemistry calculations to determine the necessary thermodynamic properties of CH4, CO2, and H2O to solve the problem.
asked
Jan 31
in
Quantum Chemistry
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votes
1
answer
61
views
Calculate the Gibbs free energy change at 25°C for the reaction:2NO(g) + O2(g) → 2NO2(g)Given the standard Gibbs free energy of formation at 25°C for NO(g), O2(g), and NO2(g) are +86.4 kJ/mol, 0 kJ/mol, and +51.3 kJ/mol, respectively.
asked
Jan 23
in
Chemical thermodynamics
0
votes
1
answer
61
views
Calculate the bond energy for the O-H bond in a water molecule (H2O), given that the enthalpy change for the combustion of 1 mole of water is -286 kJ/mol and the O=O bond energy is 498 kJ/mol.
asked
Jan 23
in
Chemical reactions
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votes
1
answer
64
views
Calculate the amount of heat required to sublime 50 grams of dry ice (CO2) at -78.5°C given that the heat of sublimation for CO2 is 25.2 kJ/mol.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
56
views
What is the fight or flight response, and what brain area is responsible?
asked
Jan 20
in
Psychology
0
votes
1
answer
42
views
According to Kubler-Ross's theory, how do individuals experience death and dying?
asked
Jan 20
in
Psychology
0
votes
1
answer
46
views
What is Spearman's rank correlation coefficient?
asked
Jan 20
in
Psychology
0
votes
1
answer
28
views
According to self-perception theory, when do individuals infer their attitudes from their behaviour?
asked
Jan 17
in
Psychology
0
votes
1
answer
56
views
What is the dual-control model of sexual response?
asked
Jan 16
in
Psychology
0
votes
1
answer
40
views
How does Vygotsky's sociocultural theory differ from Piaget's theory of cognitive development?
asked
Jan 14
in
Psychology
0
votes
1
answer
57
views
What is the difference between James-Lange theory and Cannon-Bard theory of Emotion?
asked
Jan 13
in
Psychology
0
votes
1
answer
15
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Who developed the social learning theory?
asked
Jan 10
in
Psychology
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