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1
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How does the size and shape of nanoparticles affect their electronic and optical properties, and how can we calculate and predict these properties using quantum chemistry methods?
asked
Feb 24
in
Quantum Chemistry
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votes
1
answer
37
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How does the selectivity of hydrocarbon oxidation on metal surfaces change with respect to changes in temperature and gas composition?
asked
Feb 24
in
Surface Chemistry
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1
answer
25
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What is the enthalpy change for the reaction between 2 moles of hydrogen gas and 1 mole of oxygen gas to produce water, given that the enthalpy change for the reaction is -483.6 kJ/mol?
asked
Feb 17
in
Chemical reactions
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1
answer
34
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What is the balanced chemical equation for the reaction between hydrogen gas and oxygen gas to form water?
asked
Feb 17
in
Chemical reactions
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1
answer
27
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What is the effect of pH on the adsorption of bovine serum albumin (BSA) on gold nanoparticles?
asked
Feb 17
in
Surface Chemistry
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1
answer
31
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What is the coordination geometry and ligand involved in the active site of carbonic anhydrase? How does this coordination environment contribute to the enzyme's catalytic activity and selectivity towards carbon dioxide hydration?
asked
Feb 17
in
Coordination Chemistry
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votes
1
answer
41
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What are the mechanisms by which a photovoltaic material absorbs light and converts it into electrical energy, and what factors affect the efficiency of this process?
asked
Feb 14
in
PhotoChemistry
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1
answer
59
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How does increasing the light intensity affect the rate of photochemical reactions of a solution containing a photosensitive dye?
asked
Feb 13
in
PhotoChemistry
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votes
1
answer
46
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How can the mechanical properties of polymer-based materials for 3D printing be improved to meet the demands of various applications, such as in the aerospace industry, medical field, and automotive industry?
asked
Feb 10
in
Polymer Chemistry
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1
answer
32
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How can chemistry teachers provide better support and accommodations for students with learning disabilities to promote their success and engagement in the subject?
asked
Feb 6
in
Chemical education
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1
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43
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Calculate the standard enthalpy change (ΔH°) for the following reaction at 298 K:2SO₂(g) + O₂(g) → 2SO₃(g)given the following standard enthalpy of formation values:ΔH°f (SO₂(g)) = -296.8 kJ/molΔH°f (O₂(g)) = 0 kJ/molΔH°f (SO₃(g)) = -395.7 kJ/mol
asked
Feb 3
in
Chemical thermodynamics
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1
answer
158
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A sample of a compound was analyzed and found to contain 52.35 % iron, 13.82 % sulfur, and 33.83 % oxygen by mass. Determine the empirical formula of the compound.
asked
Jan 22
in
Inorganic Chemistry
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1
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136
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What is the IUPAC name of the following organic compound: CH3CH2COOH
asked
Jan 21
in
Organic Chemistry
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1
answer
59
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Who proposed the psychodynamic theory of personality?
asked
Jan 15
in
Psychology
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1
answer
55
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What is the personality trait that is related to self-esteem?
asked
Jan 15
in
Psychology
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1
answer
38
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According to Freud, what is the psychosocial stage that occurs during early childhood?
asked
Jan 15
in
Psychology
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1
answer
40
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When do we perceive pitch in sounds?
asked
Jan 15
in
Psychology
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votes
1
answer
34
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Who is considered the founder of the humanistic perspective?
asked
Jan 15
in
Psychology
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1
answer
64
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What is the relationship between perception and attention?
asked
Jan 14
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Psychology
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1
answer
58
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What is episodic acute stress?
asked
Jan 14
in
Psychology
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