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0
votes
22
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What is the effect of reaction rate on reaction safety, and how can we investigate it experimentally? Provide a detailed explanation and experimental approach for a chemistry student to follow.
answered
3 days
ago
in
Chemical kinetics
0
votes
28
views
How does the presence of entanglement and coherence affect the physical and chemical properties of molecular and nanoscale systems, and how can this knowledge be applied in the development of new materials and technologies?
answered
3 days
ago
in
Quantum Chemistry
0
votes
14
views
What is the mechanism behind the photo-induced isomerization of [Ru(bpy)3]2+ (tris(bipyridine)ruthenium(II)) and why does the process occur rapidly in solution but slowly in solid state?
answered
3 days
ago
in
Quantum Chemistry
0
votes
22
views
How does the particle size and shape of nanomaterials affect their catalytic activity in chemical reactions, specifically in the oxidation of organic molecules?
answered
4 days
ago
in
Materials Chemistry
0
votes
24
views
What is the most suitable polymer-based biomaterial for developing a tissue-engineered scaffold for articular cartilage repair, and why?
answered
4 days
ago
in
Polymer Chemistry
0
votes
29
views
How does the intensity of light affect the rate of a chemical reaction?
answered
5 days
ago
in
Chemical kinetics
0
votes
33
views
What is the electronic configuration of the oxygen molecule (O2) and how does this configuration result in the observed bond length of the molecule?
answered
5 days
ago
in
Physical Chemistry
0
votes
18
views
What is the coordination number and oxidation state of the transition metal ion in the complex [Fe(H₂O)₆]²⁺?
answered
6 days
ago
in
Coordination Chemistry
0
votes
19
views
How does the coordination chemistry of metalloproteins enable their enzymatic functions, and how can this understanding be applied in the development of new medicines?
answered
6 days
ago
in
Coordination Chemistry
0
votes
27
views
How does the surface modification of nanoparticles affect their properties and reactivity in different environments?
answered
Feb 17
in
Surface Chemistry
0
votes
25
views
How does surface modification affect the physical and chemical properties of a polymer, and what are some practical applications of this technique?
answered
Feb 17
in
Surface Chemistry
0
votes
31
views
What factors affect the efficiency of photovoltaic materials in converting light energy into electrical energy, and how can these factors be optimized through modifications in the chemical structure and composition of the materials?
answered
Feb 14
in
PhotoChemistry
0
votes
33
views
How can the molecular weight of a polymer be determined experimentally using Gel Permeation Chromatography (GPC)?
answered
Feb 10
in
Polymer Chemistry
0
votes
32
views
How can the chemical engineering principles be utilized to design an efficient and eco-friendly treatment system for the removal of heavy metals from industrial wastewater?
answered
Feb 6
in
Chemical engineering
0
votes
54
views
Determine the standard enthalpy of formation of methane (CH4) given the following information: The standard enthalpy of formation of CO2 and H2O are -393.5 kJ/mol and -285.8 kJ/mol, respectively. The combustion of 0.50 g of methane in a bomb calorimeter resulted in a 1.20°C temperature increase of the surrounding water. The heat capacity of the bomb calorimeter is 5.85 kJ/°C.
answered
Feb 4
in
Chemical thermodynamics
0
votes
41
views
Design and synthesize a polymer-based smart material that can undergo reversible changes in response to changes in temperature or pH, and explain the mechanism behind these changes using chemical principles.
answered
Feb 4
in
Polymer Chemistry
0
votes
41
views
Calculate the standard enthalpy change for the precipitation reaction between aqueous silver nitrate (AgNO3) and aqueous sodium chloride (NaCl) to form solid silver chloride (AgCl) and aqueous sodium nitrate (NaNO3), given the following balanced chemical equation:AgNO3 (aq) + NaCl (aq) → AgCl (s) + NaNO3 (aq) Assume that the reaction takes place under standard conditions (25°C and 1 atm) and that all solutions are at 1 M concentration.
answered
Feb 3
in
Chemical thermodynamics
0
votes
82
views
What steps can a chemistry student take to access limited chemistry textbooks and resources for self-study without access to a physical library or bookstore?
answered
Jan 30
in
Chemical education
0
votes
69
views
Classify the following compounds as ionic, covalent, or metallic: NaCl, H2O, Fe, CO2, MgO.
answered
Jan 30
in
Inorganic Chemistry
0
votes
79
views
What is the concentration of an HCl solution if 25.00 mL of the solution requires 35.80 mL of 0.100 M NaOH to reach the endpoint during titration?
answered
Jan 30
in
Analytical Chemistry
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