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Answers by LorrineA1626
0
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21
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How does the release of chlorofluorocarbons (CFCs) lead to ozone depletion, and what are the potential impacts on Earth's atmosphere and ecosystems?
answered
1 day
ago
in
Environmental Chemistry
0
votes
15
views
What is the relationship between the electronic structure and the magnetic properties of a topological insulator material? And how can this relationship be explored using quantum chemistry methods?
answered
1 day
ago
in
Quantum Chemistry
0
votes
21
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How does the rate of the reaction between hydrochloric acid and magnesium metal change with increasing temperature?
answered
3 days
ago
in
Chemical kinetics
0
votes
30
views
What is the mechanism of action by which chlorofluorocarbons (CFCs) destroy the ozone layer and what measures can be taken to prevent their harmful impacts on the environment?
answered
5 days
ago
in
Environmental Chemistry
0
votes
17
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How does the length of conjugated polymer chains affect their electronic and optical properties? Use quantum chemical calculations to compare the electronic and optical properties of a short and long-chain conjugated polymer.
answered
5 days
ago
in
Quantum Chemistry
0
votes
36
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How does the catalyst's metal surface composition and structure affect the selectivity and efficiency of the oxidation of which type of hydrocarbon?
answered
Feb 18
in
Surface Chemistry
0
votes
30
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What is the balanced chemical equation for the synthesis of magnesium oxide?
answered
Feb 17
in
Chemical reactions
0
votes
34
views
What are the key photochemical properties of silver halide crystals used in traditional black and white photography and how do these properties contribute to the formation of an image on photographic film?
answered
Feb 14
in
PhotoChemistry
0
votes
29
views
How does the presence of quantum coherence and entanglement in molecular systems affect their reactivity and stability at the nanoscale level?
answered
Feb 14
in
Quantum Chemistry
0
votes
10
views
How can drug design strategies be used to target specific metabolic pathways involved in metabolic disorders such as diabetes or obesity?
answered
Feb 5
in
Medicinal Chemistry
0
votes
27
views
How can chemistry teachers better support students with learning disabilities in the classroom to ensure equal opportunities for learning and success?
answered
Feb 5
in
Chemical education
0
votes
34
views
Determine the bond order of the molecule N2 using molecular orbital theory and predict whether the molecule is paramagnetic or diamagnetic.
answered
Feb 4
in
Chemical bonding
0
votes
50
views
Calculate the standard enthalpy change for the reaction: 2Fe(s) + 3/2O2(g) → Fe2O3(s), given that the standard enthalpy of formation for Fe2O3(s) is -824.2 kJ/mol, the standard enthalpy of formation for Fe(s) is 0 kJ/mol, and the standard enthalpy of formation for O2(g) is 0 kJ/mol.
answered
Feb 3
in
Chemical thermodynamics
0
votes
26
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Calculate the standard enthalpy change for the reaction between Aquapentamminecobalt(III) chloride and sodium hydroxide to form Aquapentamminecobalt(III) hydroxide and sodium chloride if the initial concentration of Co(NH3)5Cl3 is 0.1 M and the reaction takes place at 25°C.
answered
Feb 3
in
Chemical thermodynamics
0
votes
94
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How do changes in the electronic structure of a molecule affect its magnetic properties and how can these changes be quantitatively calculated using quantum chemistry calculations? Specifically, investigate how the presence or absence of unpaired electrons in a molecule influences its magnetic susceptibility and how this can be predicted using theoretical models.
answered
Jan 31
in
Quantum Chemistry
0
votes
98
views
What is the amount of copper in a sample of copper ore using coulometric titration with a silver anode?
answered
Jan 30
in
Analytical Chemistry
0
votes
57
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Calculate the Gibbs free energy change at standard conditions for the combustion of propane:C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(l) Given the standard enthalpy of formation data: ΔH°f(CO2(g)) = -393.5 kJ/mol ΔH°f(H2O(l)) = -285.8 kJ/mol ΔH°f(C3H8(g)) = -103.85 kJ/mol and the standard entropy data: S°(CO2(g)) = 213.6 J/(mol•K) S°(H2O(l)) = 69.9 J/(mol•K) S°(C3H8(g)) = 269.9 J/(mol•K)
answered
Jan 23
in
Chemical thermodynamics
0
votes
70
views
Where is the sociocultural approach used in clinical psychology?
answered
Jan 16
in
Psychology
0
votes
27
views
What is the Rowe and Kahn model of successful ageing?
answered
Jan 16
in
Psychology
0
votes
14
views
Where in discursive psychology do scholars focus on language used in healthcare settings?
answered
Jan 15
in
Psychology
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