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Recent activity by JuliannSfd66
1
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19
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How does the intensity of light affect the rate of the reaction between sodium thiosulphate and hydrochloric acid?
answered
3 days
ago
in
Chemical kinetics
1
answer
22
views
How does the presence of reaction intermediates affect the overall rate of a chemical reaction, and how can we quantify their effect using experimental methods?
answered
3 days
ago
in
Chemical kinetics
1
answer
23
views
What are the optimal reaction conditions and steps required for the preparation of high-yield phenylalanine from benzyl chloride and ammonia using chemical synthesis techniques?
asked
3 days
ago
in
Chemical synthesis
1
answer
19
views
What is the electrical conductivity of sodium chloride in water at various concentrations and temperatures? How does the conductivity change with the concentration of the salt and the temperature of the solution?
asked
5 days
ago
in
Inorganic Chemistry
1
answer
31
views
What is the balanced chemical equation for the synthesis of nylon-6,6 from adipic acid and hexamethylenediamine, and what is the theoretical yield of nylon-6,6 that can be produced from a given amount of starting materials?
asked
Feb 17
in
Chemical synthesis
1
answer
9
views
How can we use quantum chemistry to calculate magnetic susceptibility values for a given molecule or material and how can that information be used to predict the magnetic behavior of the substance in different conditions?
answered
Feb 14
in
Quantum Chemistry
1
answer
34
views
How does the process of protein degradation and turnover occur in a cell and what are the specific mechanisms involved in the breakdown of various types of proteins, including enzymes and structural proteins, in both normal and aberrant conditions?
asked
Feb 14
in
BioChemistry
1
answer
42
views
How does the structure of chlorophyll impact its ability to absorb light during photosynthesis?
answered
Feb 12
in
BioChemistry
1
answer
44
views
How can the principles of medicinal chemistry be applied to design new drugs for the treatment of metabolic disorders such as obesity, diabetes, and hyperlipidemia? Specifically, what structural features or modifications in the chemical structure of existing drugs can enhance their efficacy and specificity towards the molecular targets involved in these disorders?
asked
Feb 10
in
Medicinal Chemistry
1
answer
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?
asked
Feb 10
in
Polymer Chemistry
1
answer
30
views
How can the photochemical properties of photovoltaic materials be optimized to improve the efficiency of solar cells?
asked
Feb 10
in
PhotoChemistry
1
answer
34
views
How can the permeability of polymer-based membranes be optimized for effective water treatment while maintaining their mechanical stability and durability?
answered
Feb 10
in
Polymer Chemistry
1
answer
38
views
How can the mechanical and chemical properties of polymer-based biomaterials for tissue engineering be optimized to enhance their compatibility with biological tissues and improve their long-term performance as implantable devices?
asked
Feb 7
in
Polymer Chemistry
1
answer
31
views
How can the design of a storage and transportation system for hazardous chemicals be optimized to ensure maximum safety and efficiency, while also minimizing the risk of accidents or spills that could cause harm to humans or the environment?
answered
Feb 7
in
Chemical engineering
1
answer
32
views
How can the conductivity of polymer electrolytes be enhanced for use in batteries?
answered
Feb 6
in
Polymer Chemistry
1
answer
11
views
Design a retrosynthesis pathway for the synthesis of ibuprofen from starting materials that have no more than 6 carbons.
asked
Feb 4
in
Organic Chemistry
1
answer
58
views
Describe the factors that contribute to the fluidity of the lipid bilayer of a cell membrane and explain how changes in these factors can affect membrane function.
answered
Feb 3
in
BioChemistry
1
answer
63
views
Calculate the standard enthalpy change for the phase transition reaction where 100.0 grams of solid water (ice) at -10.0 °C is heated to form 100.0 grams of liquid water at 10.0 °C, given the specific heat capacities of ice and water are 2.09 J/g·°C and 4.18 J/g·°C, respectively, and the enthalpy of fusion of water is 6.01 kJ/mol.
asked
Feb 3
in
Chemical thermodynamics
1
answer
60
views
How effective are the current environmental regulations in protecting the environment from chemical pollutants, and how can they be improved to better prevent environmental damage?
answered
Jan 31
in
Environmental Chemistry
1
answer
72
views
How do amino acid modifications affect the efficiency of intracellular signal transduction pathways in living organisms? Support your answer with experimental evidence.
answered
Jan 31
in
BioChemistry
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