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User MathewForman
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How does the Si/Al ratio affect the sorption properties of zeolites? Use computational chemistry methods to compare the sorption capacity of zeolites with different Si/Al ratios for a specific adsorbate.
asked
Feb 24
in
Computational Chemistry
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votes
1
answer
81
views
What is the heat of formation for methane (CH4) at standard conditions (25°C and 1 atm pressure)? Provide your answer in kilojoules per mole (kJ/mol).
asked
Feb 20
in
Chemical bonding
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1
answer
85
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How does the addition of UV stabilizers affect the degradation of polypropylene in outdoor applications?
asked
Feb 17
in
Polymer Chemistry
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1
answer
80
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What is the molecular structure of pyridine and how does its electron density distribution affect its chemical reactivity and properties as a heterocyclic compound?
asked
Feb 14
in
Organic Chemistry
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1
answer
104
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What is the role of metal ions in the catalytic activity of metalloenzymes and metalloproteins, and how does this relate to their coordination chemistry?
asked
Feb 13
in
Coordination Chemistry
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1
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91
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What are the applications of ionic liquids in the field of electrochemistry, and how do the unique properties of ionic liquids make them advantageous over traditional solvents in these applications?
asked
Feb 13
in
Physical Chemistry
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1
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93
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How can the molecular weight of a polymer be determined using gel permeation chromatography (GPC) and why is this information important for understanding the properties and behavior of the polymer?
asked
Feb 10
in
Polymer Chemistry
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1
answer
82
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How can the compatibility of polymer blends be improved to enhance their mechanical properties and overall performance?
asked
Feb 6
in
Polymer Chemistry
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1
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88
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How can different luminescent materials be optimized for use in energy-efficient lighting applications?
asked
Feb 5
in
PhotoChemistry
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1
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86
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How can a heat exchanger be designed for a specific industrial process involving the heating and cooling of a liquid stream with a flow rate of 500L/min and a specific heat capacity of 4.2 kJ/kg K? The temperature of the hot and cold streams are 120°C and 25°C respectively, and the process requires a heat transfer rate of at least 200 kW. What should be the surface area and overall heat transfer coefficient of the heat exchanger to meet the process requirements?
asked
Feb 4
in
Chemical engineering
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votes
1
answer
151
views
What is the chemical composition of a given crystalline substance using X-ray diffraction analysis and how can it be determined from the diffraction pattern obtained?
asked
Jan 30
in
Analytical Chemistry
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1
answer
56
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What is the relationship between mental rotation and creativity?
asked
Jan 20
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Psychology
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1
answer
86
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Who believed in the concept of self-actualisation?
asked
Jan 17
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Psychology
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1
answer
114
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Please discuss the capacity limitations of working memory.
asked
Jan 16
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Psychology
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1
answer
131
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Where does the criterion of parsimony fit in theory evaluation?
asked
Jan 16
in
Psychology
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1
answer
56
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What is data immersion in qualitative research?
asked
Jan 16
in
Psychology
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1
answer
96
views
Who developed the social impact theory?
asked
Jan 15
in
Psychology
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votes
1
answer
98
views
What is a quasi-independent variable?
asked
Jan 15
in
Psychology
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votes
1
answer
48
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What is the role of theory in qualitative research?
asked
Jan 14
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Psychology
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1
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93
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What is the trait theory proposed by Gordon Allport?
asked
Jan 13
in
Psychology
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