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How does the selectivity of hydrocarbon oxidation on metal surfaces vary with changes in reaction conditions such as temperature, pressure and gas composition?
asked
1 day
ago
in
Surface Chemistry
0
votes
1
answer
21
views
What are the most environmentally friendly and sustainable polymer-based packaging materials that can be used as alternatives to traditional plastics and how can their production processes be optimized to minimize their environmental impact?
asked
4 days
ago
in
Polymer Chemistry
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votes
1
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22
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What is the coordination geometry of the metal center in the enzyme myoglobin? How does this geometry affect the binding and release of oxygen?
asked
5 days
ago
in
Coordination Chemistry
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1
answer
22
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How does the electronic structure of a material affect its electrical conductivity, and can this be accurately predicted using density functional theory calculations?
asked
5 days
ago
in
Computational Chemistry
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1
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22
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What is the effect of different light intensities (low, medium and high) on the rate of photochemical reactions of Chlorophyll pigment present in Spinach leaves?
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6 days
ago
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PhotoChemistry
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1
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16
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What is the effect of changing the concentration of reactants on the reaction rate and how does it differ for reactions with different mechanisms?
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6 days
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Chemical kinetics
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1
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29
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What is the carbon footprint of a typical household and how can it be reduced through the adoption of environmentally-friendly practices?
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Feb 18
in
Environmental Chemistry
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1
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34
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How can chemistry students obtain necessary laboratory skills and experience when they have limited access to laboratory equipment and facilities?
asked
Feb 5
in
Chemical education
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1
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10
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How can chemical education be redesigned to increase representation and diversity in the chemistry field, and why is diversity important for the advancement of the field?
asked
Feb 4
in
Chemical education
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votes
1
answer
52
views
Given the following electrochemical reaction: Cu(s) + 2 Ag+(aq) → Cu2+(aq) + 2 Ag(s)Calculate the cell potential at standard conditions (298 K, 1 atm, 1 M concentrations).
asked
Feb 4
in
ElectroChemistry
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votes
1
answer
34
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Calculate the standard enthalpy change for the neutralization reaction between hydrochloric acid and sodium hydroxide, given the balanced chemical equation: HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l) and the enthalpy change of formation values: ∆Hf°(NaCl(aq)) = -407.3 kJ/mol ∆Hf°(H2O(l)) = -285.83 kJ/mol ∆Hf°(HCl(aq)) = -167.2 kJ/mol ∆Hf°(NaOH(aq)) = -469.11 kJ/mol
asked
Feb 3
in
Chemical thermodynamics
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1
answer
42
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Calculate the standard electrode potential for the reaction Ag+ (aq) + Cu (s) → Ag (s) + Cu2+ (aq) given that the standard electrode potentials for Ag+ (aq) + e- → Ag (s) and Cu2+ (aq) + 2e- → Cu (s) are 0.80 V and 0.34 V respectively.
asked
Feb 3
in
Chemical thermodynamics
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1
answer
91
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What is the concentration of chloride ions in a sample of seawater, measured in parts per million (ppm), using potentiometry analysis?
asked
Jan 30
in
Analytical Chemistry
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1
answer
87
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What is the composition and crystal structure of a mineral sample using X-ray diffraction analysis?
asked
Jan 30
in
Analytical Chemistry
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1
answer
70
views
What is the pH of 0.1 M solution of HCl knowing that its dissociation constant is 1.3 x 10^-4?
asked
Jan 22
in
Inorganic Chemistry
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1
answer
71
views
When is emotional intelligence important?
asked
Jan 17
in
Psychology
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1
answer
36
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According to the opponent-process theory, what is the relationship between colours?
asked
Jan 17
in
Psychology
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votes
1
answer
35
views
What is uninvolved parenting?
asked
Jan 17
in
Psychology
0
votes
1
answer
45
views
What are the two main criteria for evaluating psychological theories?
asked
Jan 16
in
Psychology
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votes
1
answer
35
views
What is the difference between adolescence and emerging adulthood?
asked
Jan 14
in
Psychology
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