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User MalcolmUribe
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0
votes
1
answer
18
views
What is the relationship between the size of quantum dots and their photochemical properties?
asked
1 day
ago
in
PhotoChemistry
0
votes
1
answer
16
views
What is the effect of pressure on the rate of the reaction between nitrogen gas and hydrogen gas at various temperatures and pressures?
asked
3 days
ago
in
Chemical kinetics
0
votes
1
answer
17
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How does the prediction of chemical reactivity and selectivity using quantum chemistry methods differ from empirical methods and what are the advantages and limitations of each approach?
asked
3 days
ago
in
Quantum Chemistry
0
votes
1
answer
26
views
What is the predicted molecular geometry of a molecule of XeF4, and what is the hybridization of the central atom?
asked
3 days
ago
in
Chemical bonding
0
votes
1
answer
25
views
How does the photochemical behavior differ between transition metal complexes with different ligands? Use specific examples and data to support your answer.
asked
3 days
ago
in
PhotoChemistry
0
votes
1
answer
16
views
What is the effect of temperature on the rate of polymerization of polyethylene? Develop an experiment to investigate and compare the rate of polymerization of polyethylene at different temperatures.
asked
5 days
ago
in
Organic Chemistry
0
votes
1
answer
24
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How does the choice of the type and size of the solid catalyst affect the rate of the catalytic reaction in surface chemistry?
asked
6 days
ago
in
Surface Chemistry
0
votes
1
answer
26
views
What are the types of isomerism shown by octahedral coordination compounds? Provide an example for each.
asked
Feb 14
in
Coordination Chemistry
0
votes
1
answer
41
views
How can inadequate training for chemistry teachers affect students' learning outcomes and their interest in pursuing further education or careers in chemistry-related fields?
asked
Feb 5
in
Chemical education
0
votes
1
answer
68
views
Calculate the enthalpy change for the reaction: 2H₂(g) + O₂(g) → 2H₂O(g) The enthalpy of formation of H₂O is -242 kJ/mol, and the enthalpy of formation of O₂ is 0 kJ/mol.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
55
views
Calculate the enthalpy change for the combustion of 5.67 grams of methane (CH4) if the standard enthalpy of combustion of methane is -890.4 kJ/mol.
asked
Jan 23
in
Chemical reactions
0
votes
1
answer
60
views
Calculate the amount of heat absorbed or released when 2.5 moles of sodium acetate (NaCH3COO) is crystallized from its solution at a constant temperature of 25°C. The heat of crystallization for sodium acetate is -427 kJ/mol.
asked
Jan 23
in
ThermoChemistry
+1
vote
1
answer
67
views
What is the zone of proximal development by Lev Vygotsky?
asked
Jan 20
in
Psychology
0
votes
1
answer
28
views
What is the difference between the id, ego, and superego in psychoanalytic theory?
asked
Jan 20
in
Psychology
0
votes
1
answer
35
views
When can self-care help with emotional distress?
asked
Jan 20
in
Psychology
0
votes
1
answer
60
views
According to the attachment theory, what are the types of attachment styles?
asked
Jan 20
in
Psychology
+1
vote
1
answer
50
views
What is the negative interpersonal interactions explanation of personality disorders?
asked
Jan 20
in
Psychology
0
votes
1
answer
51
views
What is the main criticism of Bowlby's attachment theory?
asked
Jan 16
in
Psychology
0
votes
1
answer
25
views
What is the multimodal therapy approach?
asked
Jan 16
in
Psychology
0
votes
1
answer
26
views
What is the difference between metapsychology and neuroscience?
asked
Jan 16
in
Psychology
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