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User GlenCaringto
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1
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78
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How does the rate of a photochemical reaction depend on the polarity of the solvent used?
asked
Feb 22
in
PhotoChemistry
0
votes
1
answer
80
views
How does the degradation of microplastics in marine environments affect the release of harmful chemicals and their potential impact on the health of marine species?
asked
Feb 19
in
Environmental Chemistry
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votes
1
answer
85
views
How many ATP molecules are generated from the complete oxidation of one glucose molecule through the Citric acid cycle and oxidative phosphorylation?
asked
Feb 18
in
BioChemistry
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votes
1
answer
110
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How can the properties of polyurethane be optimized by varying the diisocyanate and polyol components in the synthesis process?
asked
Feb 10
in
Chemical synthesis
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votes
1
answer
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?
asked
Feb 10
in
Quantum Chemistry
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1
answer
94
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How can the presence of heavy metals be effectively reduced or removed from contaminated soil at a former industrial site using chemical remediation techniques?
asked
Feb 10
in
Environmental Chemistry
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votes
1
answer
76
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How can chemistry students in areas with limited availability of chemistry-related internships and job opportunities gain practical experience and develop their skills to become competitive candidates for future employment in the field?
asked
Feb 5
in
Chemical education
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1
answer
88
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How can chemistry instructors modify their teaching methods to better support students with learning disabilities in understanding complex chemical concepts and effectively participate in laboratory activities?
asked
Feb 4
in
Chemical education
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votes
1
answer
141
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Calculate the standard entropy change for the reaction: 2SO3(g) + O2(g) → 2SO4(g) Given the following standard entropies of formation: ΔS°f SO3(g) = 256.2 J/K mol ΔS°f O2(g) = 205.0 J/K mol ΔS°f SO4(g) = 296.8 J/K mol
asked
Feb 3
in
Inorganic Chemistry
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1
answer
137
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Calculate the standard enthalpy change for the neutralization of 25 mL of 0.10 M hydrochloric acid with 25 mL of 0.10 M sodium hydroxide. Assume the specific heat capacity of the solution to be 4.18 J/(g*K) and the density of the solution to be 1.00 g/mL. The temperature change observed during the reaction was 4.5°C.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
107
views
How does changing the molecular weight of polyethylene affect its mechanical properties, specifically in terms of its use as a biomaterial for joint replacements?
asked
Feb 3
in
Materials Chemistry
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votes
1
answer
137
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How do the electronic and optical properties of a nanomaterial change as the size of the nanoparticle is decreased? Using quantum chemistry calculations, determine the relationship between the nanoparticle size and its electronic and optical properties.
asked
Jan 31
in
Quantum Chemistry
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votes
1
answer
142
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What is the mechanism of the catalytic reaction between methanol and oxygen on a platinum (111) surface using density functional theory calculations?
asked
Jan 31
in
Computational Chemistry
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1
answer
116
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How does the adsorption of reactant molecules onto a heterogeneous catalyst surface promote chemical reactions, and what are the different mechanisms involved in heterogeneous catalysis?
asked
Jan 31
in
Surface Chemistry
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1
answer
170
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What is the concentration of chloride ions in a 0.1 M solution of hydrochloric acid, if the potential difference between two silver electrodes in contact with the solution is measured to be 0.22 V at 25°C? The standard reduction potential for the silver/silver chloride electrode is 0.22 V.
asked
Jan 30
in
Analytical Chemistry
0
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1
answer
153
views
A student is studying the overpotential in an electrochemical reaction in a laboratory experiment. The student measures a current of 2.1 A at an electrode potential of -0.6 V, and 1.95 A at -0.5 V. What is the overpotential of the reaction?
asked
Jan 22
in
ElectroChemistry
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1
answer
44
views
Why is the Flynn effect significant?
asked
Jan 20
in
Psychology
0
votes
1
answer
67
views
What is multimodal therapy?
asked
Jan 20
in
Psychology
0
votes
1
answer
58
views
What is a t-test?
asked
Jan 17
in
Psychology
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1
answer
98
views
Who developed the concept of reality negotiation?
asked
Jan 15
in
Psychology
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