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What conditions are necessary for the selective oxidation of methane on a metal surface to produce formaldehyde, and how does the presence of different metals affect the selectivity and activity of the reaction?
asked
1 day
ago
in
Surface Chemistry
0
votes
1
answer
27
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How does the polarity of the solvent affect the rate of a chemical reaction?
asked
3 days
ago
in
Chemical kinetics
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1
answer
3
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What is the most effective method for designing a sustainable and efficient system for the production of cosmetics using chemical engineering principles?
asked
4 days
ago
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Chemical engineering
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votes
1
answer
18
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What is the effect of changing the concentration of an inorganic compound on its conductivity?
asked
6 days
ago
in
Inorganic Chemistry
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votes
1
answer
7
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What spectroscopic technique is best suited for studying the electronic transitions in transition metal coordination compounds containing a ligand with significant pi-donation properties, such as an ethylenediamine or a bipyridine ligand?
asked
Feb 17
in
Coordination Chemistry
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1
answer
27
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How can we use size-exclusion chromatography for determining the molecular weight distribution of polymers?
asked
Feb 14
in
Polymer Chemistry
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1
answer
41
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How many geometric isomers are possible for the coordination compound [Co(NH3)4Cl2]+?
asked
Feb 13
in
Coordination Chemistry
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1
answer
29
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What are the differences between gel permeation chromatography and size exclusion chromatography, and how can these techniques be used to characterize polymers with different molecular weights and distributions?
asked
Feb 13
in
Polymer Chemistry
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1
answer
32
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What is the electronic structure and bond order of the Fe(CO)5 molecule, and how does it relate to its observed vibrational modes and infrared spectrum?
asked
Feb 13
in
Computational Chemistry
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votes
1
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38
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What is the coordination geometry and oxidation state of the metal ion in the active site of cytochrome c oxidase, an important metalloenzyme involved in the respiratory process of living organisms?
asked
Feb 12
in
Coordination Chemistry
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1
answer
30
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How can the lack of emphasis on safety protocols in chemistry labs affect the physical and mental well-being of students, and what can be done to address and prevent any potential hazards?
asked
Feb 7
in
Chemical education
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votes
1
answer
83
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What strategies can a chemistry student utilize to comprehend and master complex chemical concepts effectively?
asked
Jan 30
in
Chemical education
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votes
1
answer
73
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Identify the structure of an unknown compound with a mass-to-charge ratio (m/z) of 112 using mass spectrometry. What is the molecular formula of the compound based on the information obtained from the mass spectrum?
asked
Jan 30
in
Analytical Chemistry
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1
answer
53
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Calculate the equilibrium constant (K$\textsubscript{a}$) for the reaction of acetic acid in aqueous solution if the pH of the solution is 4.76 and the concentration of acetic acid is 0.1 M.
asked
Jan 23
in
Chemical equilibrium
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1
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62
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A student has a sample of an unknown inorganic compound that contains only carbon, oxygen, and nitrogen. They perform a combustion analysis on a 0.230 g sample of the compound, which yields 0.535 g of CO2 and 0.184 g of H2O. Additionally, when the compound is analyzed using a mass spectrometer, the mass spectrum shows a molecular ion peak at m/z = 42. Determine the empirical and molecular formulas of this compound.
asked
Jan 22
in
Inorganic Chemistry
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1
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79
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What is the systematic name of the organic compound CH3CH2CH2OH?
asked
Jan 21
in
Organic Chemistry
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1
answer
59
views
Who are the out-group?
asked
Jan 20
in
Psychology
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1
answer
47
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Where can memory contamination occur?
asked
Jan 20
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Psychology
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1
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67
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Why do older adults perform better on tests of crystallized intelligence?
asked
Jan 17
in
Psychology
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1
answer
14
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How does the Learned Helplessness Theory apply to AI design for mental health?
asked
Jan 15
in
Psychology
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