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1
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What is the relationship between the reaction rate and equilibrium constant for the reaction between potassium iodate and sodium sulfite in acidic aqueous solution, and how does the addition of a catalyst affect this relationship?
asked
Feb 22
in
Chemical kinetics
0
votes
1
answer
31
views
How does the pore size of a metal-organic framework affect its ability to absorb carbon dioxide molecules? Use computational studies to compare the adsorption capacity of three different metal-organic frameworks with varying pore sizes.
asked
Feb 22
in
Computational Chemistry
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votes
1
answer
31
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How does the particle size of a gold nanoparticle affect its photochemical properties such as absorbance, emission, and quantum yield under different light sources and intensities?
asked
Feb 22
in
PhotoChemistry
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votes
1
answer
26
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What is the balanced chemical equation for the reaction of hydrochloric acid (HCl) with sodium bicarbonate (NaHCO3) and what gas is evolved during the reaction?
asked
Feb 17
in
Chemical reactions
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votes
1
answer
31
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How does quantum coherence and entanglement affect the electronic states and properties of small molecules and nanoscale systems?
asked
Feb 14
in
Quantum Chemistry
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votes
1
answer
37
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What factors affect the pharmacokinetics of a drug in the human body and how do they influence its therapeutic effectiveness? Bitte specify an example drug and describe its pharmacokinetic properties in detail.
asked
Feb 14
in
Medicinal Chemistry
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votes
1
answer
63
views
What is the coordination environment around the metal ion in the active site of a metalloenzyme, specifically in the case of carbonic anhydrase? How do changes in the coordination geometry affect the function of the enzyme?
asked
Feb 13
in
Coordination Chemistry
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votes
1
answer
67
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How do different factors like light intensity, wavelength and presence of catalysts affect the rate and selectivity of a specific photochemical reaction in an organic compound?
asked
Feb 12
in
PhotoChemistry
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votes
1
answer
61
views
How does the coordination chemistry of metalloproteins and enzymes contribute to their biological function and provide insights into their mechanisms of action?
asked
Feb 12
in
Coordination Chemistry
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votes
1
answer
110
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Design a distillation column to separate a mixture of acetone and water containing 35% (by mole) acetone with a feed rate of 1000 kg/hr. The desired purity of the overhead product is 99% acetone, and the bottom product should contain no more than 0.5% acetone. The available reflux ratio is 2.5, and the feed is at its boiling point at normal atmospheric pressure. Determine the number of theoretical trays required, the optimum feed tray location, and the reflux and boilup rates needed for the design.
asked
Feb 4
in
Chemical engineering
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votes
1
answer
77
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Calculate the standard enthalpy change for the complete combustion of 2 moles of methane gas under standard conditions, where all reactants and products are in their standard states. The balanced chemical equation for the combustion of methane is CH4(g) + 2O2(g) → CO2(g) + 2H2O(l), and the standard enthalpy of formation ΔH°f for methane, carbon dioxide, and water are -74.8 kJ/mol, -393.5 kJ/mol, and -285.8 kJ/mol, respectively.
asked
Feb 3
in
Chemical thermodynamics
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1
answer
102
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What is the percent composition of carbon, hydrogen, and nitrogen in a sample of caffeine? Use elemental analysis to determine the answer.
asked
Jan 31
in
Analytical Chemistry
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1
answer
63
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Calculate the enthalpy of formation of carbon dioxide given the following data:C(s) + O2(g) → CO2(g) ΔH° = -393.5 kJ/molC(s) + 2H2(g) → CH4(g) ΔH° = -74.8 kJ/mol2H2(g) + O2(g) → 2H2O(l) ΔH° = -571.6 kJ/mol
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
81
views
Who introduced the concept of Representative Heuristics Bias?
asked
Jan 20
in
Psychology
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1
answer
43
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Where does the criterion of testability come from?
asked
Jan 16
in
Psychology
0
votes
1
answer
94
views
Who developed Social Constructionism?
asked
Jan 15
in
Psychology
0
votes
1
answer
74
views
According to the Identity Status Interview, what are the three components of adolescent identity?
asked
Jan 15
in
Psychology
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votes
1
answer
43
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According to the affordances theory, how does our perception of objects and environments influence our actions?
asked
Jan 15
in
Psychology
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votes
1
answer
62
views
Why is hypothesis development important?
asked
Jan 14
in
Psychology
0
votes
1
answer
61
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What is a scatter plot?
asked
Jan 14
in
Psychology
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