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1
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How does the size and shape of nanoparticles affect their catalytic activity in chemical reactions?
asked
Feb 24
in
Materials Chemistry
0
votes
1
answer
31
views
How does the molecular structure of a photovoltaic material affect its photochemical properties and ultimately, its efficiency in converting sunlight into electrical energy?
asked
Feb 21
in
PhotoChemistry
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votes
1
answer
29
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What is the electronegativity difference between oxygen and nitrogen atoms in a molecule of NO2?
asked
Feb 20
in
Chemical bonding
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1
answer
29
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How does the coordination chemistry of metalloproteins affect their enzymatic activity in the presence of metal ions like heme, iron-sulfur clusters, and copper ions, and how do these metal ions assist in catalytic reactions in metalloproteins?
asked
Feb 19
in
Coordination Chemistry
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1
answer
74
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What is the coordination geometry and oxidation state of the metal ion in the active site of the metalloenzyme cytochrome c oxidase?
asked
Feb 12
in
Coordination Chemistry
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1
answer
98
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What are the key chemical compounds and their ratios required to produce a long-lasting and captivating fragrance, and how can the manufacturing process be optimized to maximize yield with minimal waste?
asked
Feb 12
in
Chemical engineering
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votes
1
answer
28
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How can the chemical engineering principles be utilized to develop a cost-effective and efficient process for the production of detergents with minimal environmental impact?
asked
Feb 6
in
Chemical engineering
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votes
1
answer
66
views
What is the effect of changing the concentration of one reactant on the initial rate and final yield of a chemical reaction, and how does this relate to the reaction mechanism?
asked
Feb 3
in
Chemical kinetics
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votes
1
answer
78
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What is the coordination number of the metal ion in the active site of carbonic anhydrase, given its crystal structure and the ligands present?
asked
Jan 31
in
Coordination Chemistry
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votes
1
answer
29
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How can a chemical engineer optimize the production process of flavors by designing a system that maximizes yield and minimizes waste, while maintaining the desired quality and purity of the final product?
asked
Jan 30
in
Chemical engineering
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votes
1
answer
70
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Calculate the change in entropy of the system when 2 moles of ammonia react to form 3 moles of hydrogen gas and 1 mole of nitrogen gas. The reaction takes place at a constant temperature of 298 K and at a pressure of 1 atm. The molar entropy of each component in the reaction is given below:Ammonia: 192.5 J/K·molHydrogen gas: 130.6 J/K·molNitrogen gas: 191.6 J/K·mol
asked
Jan 23
in
Chemical thermodynamics
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votes
1
answer
85
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A chemistry student wants to investigate the adsorption behavior of a gas on a solid surface. Using the Langmuir adsorption isotherm, determine the maximum adsorption capacity of the surface and the equilibrium constant, if the surface area of the solid is 10 cm$^2$ and the gas pressure is varied from 0.1 to 1 bar at a constant temperature of 298 K.
asked
Jan 22
in
Surface Chemistry
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votes
1
answer
108
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Identify the major product and write the reaction mechanism for the bromination of toluene in the presence of iron (III) bromide as a catalyst.
asked
Jan 21
in
Organic Chemistry
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votes
1
answer
75
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When was the theory of evolution published?
asked
Jan 16
in
Psychology
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votes
1
answer
132
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When appraising the face validity of a test, what is being assessed?
asked
Jan 16
in
Psychology
0
votes
1
answer
35
views
What is the role of socialisation in gender development?
asked
Jan 15
in
Psychology
0
votes
1
answer
101
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When evaluating the stage-based model of grief, what weakness can be pointed out?
asked
Jan 15
in
Psychology
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votes
1
answer
60
views
What is sensory memory?
asked
Jan 15
in
Psychology
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votes
1
answer
101
views
What is the difference between convergent and divergent thinking?
asked
Jan 14
in
Psychology
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votes
1
answer
48
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What is the difference between free will and determinism?
asked
Jan 13
in
Psychology
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