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User Eusebia94K98
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Answers by Eusebia94K98
0
votes
22
views
How does the reaction rate affect the overall profitability of a chemical process, and what factors can be manipulated to increase the reaction rate without compromising product quality?
answered
3 days
ago
in
Chemical kinetics
0
votes
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?
answered
4 days
ago
in
Polymer Chemistry
0
votes
27
views
What is the effect of temperature on the reaction rate and safety of the reaction between hydrochloric acid and sodium thiosulphate, and how can this effect be used to control the reaction for improved safety?
answered
6 days
ago
in
Chemical kinetics
0
votes
26
views
What is the effect of particle shape on the phase behavior of liquid crystals, and how can Monte Carlo simulations be used to study this relationship?
answered
6 days
ago
in
Computational Chemistry
0
votes
31
views
What factors determine the color of inorganic compounds? How can we predict the color of a compound based on its composition and structure?
answered
Feb 18
in
Inorganic Chemistry
0
votes
23
views
How does the choice of metal catalyst affect the selectivity of oxidation reactions on hydrocarbons, and what are the key factors influencing the overall efficiency of the reaction?
answered
Feb 18
in
Surface Chemistry
0
votes
33
views
How do different types of sunscreen agents (e.g. organic vs. inorganic) differ in their photochemical properties, and how do these properties affect their effectiveness at protecting against UV radiation?
answered
Feb 14
in
PhotoChemistry
0
votes
28
views
How does surface chemistry of corrosion and passivation affect the durability of metallic objects exposed to different corrosive environments over time?
answered
Feb 14
in
Surface Chemistry
0
votes
34
views
Identify all the possible resonance structures for the molecule with a chemical formula of NO2- and explain how these structures contribute to the overall stability of the molecule.
answered
Feb 14
in
Chemical bonding
0
votes
39
views
What is the effect of increasing the concentration of the reactant in a redox reaction on the equilibrium constant and concentration of products at equilibrium, given the balanced chemical equation and initial concentrations of all reactants and products?
answered
Feb 13
in
Chemical equilibrium
0
votes
35
views
What hybrid orbitals are present in the central atom of a molecule of carbon dioxide (CO2)?
answered
Feb 13
in
Chemical bonding
0
votes
51
views
How can we improve the ionic conductivity of polymer electrolytes used in batteries to increase their efficiency and lifespan?
answered
Feb 13
in
Polymer Chemistry
0
votes
44
views
How can the physical and chemical properties of polymers be optimized to create a durable, lightweight and cost-effective packaging material for food and beverages?
answered
Feb 10
in
Polymer Chemistry
0
votes
14
views
How can the efficiency of the ammonia synthesis reaction be improved to increase the production rate of fertilizers?
answered
Feb 7
in
Chemical engineering
0
votes
38
views
Describe the photochemical properties of lanthanide complexes and explain how they differ from the photochemistry of other transition metal complexes? Provide examples of applications of lanthanide complexes in photochemistry.
answered
Feb 3
in
PhotoChemistry
0
votes
51
views
How does changing the reactant concentration affect the reaction rate and profitability in the production of a certain chemical compound?
answered
Feb 3
in
Chemical kinetics
0
votes
72
views
How do changes in environmental pH affect the catalytic activity of enzymes?
answered
Jan 31
in
BioChemistry
0
votes
68
views
What is the rate-determining step in the Diels-Alder reaction between maleic anhydride and 1,3-butadiene using quantum chemical calculations?
answered
Jan 31
in
Computational Chemistry
0
votes
83
views
How does the computation of electronic properties in ab initio calculations of molecules differ from semi-empirical and empirical methods, and how can it be used to predict the properties of a given molecule?
answered
Jan 30
in
Computational Chemistry
+1
vote
92
views
What is the concentration of lead (Pb) in a water sample collected from a local stream using atomic absorption spectroscopy? Provide a detailed analysis of the sample and a report of the results with proper calculations and units.
answered
Jan 30
in
Analytical Chemistry
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