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User Lionel426684
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Answers by Lionel426684
0
votes
17
views
How does the polarity of a solvent affect the rate of a chemical reaction?
answered
3 days
ago
in
Chemical kinetics
0
votes
24
views
How does the molecular structure of surfactants affect their ability to lower surface tension and emulsify substances?
answered
4 days
ago
in
Surface Chemistry
0
votes
24
views
How will the equilibrium position of the reaction N2(g) + 3H2(g) ⇌ 2NH3(g) shift in response to an increase in pressure if the reaction is initially at equilibrium?
answered
5 days
ago
in
Chemical equilibrium
0
votes
4
views
What is the bond order of the molecule NO+ and how does it differ from the bond order of the neutral molecule NO?
answered
Feb 18
in
Chemical bonding
0
votes
28
views
What is the bond length between two hydrogen atoms in a hydrogen molecule (H2)? Given the atomic radius of hydrogen as 37 pm and the bond energy of H2 as 436 kJ/mol.
answered
Feb 18
in
Chemical bonding
0
votes
33
views
What are the main factors that affect the biocompatibility of polymer-based biomaterials used in tissue engineering applications? How can these factors be optimized to improve the tissue response and enhance the success of tissue regeneration processes?
answered
Feb 17
in
Polymer Chemistry
0
votes
36
views
How does the absorption of light by a molecule affect its electronic structure and reactivity, and what are the dominant factors that control this process?
answered
Feb 17
in
Quantum Chemistry
0
votes
24
views
What factors affect the adhesion and cohesion of coatings on various surfaces? Develop an experimental procedure to measure and compare these properties for different coatings and substrates.
answered
Feb 14
in
Surface Chemistry
0
votes
33
views
How can we determine the structure of an unknown organic compound using infrared spectroscopy and proton NMR spectroscopy?
answered
Feb 13
in
Organic Chemistry
0
votes
38
views
How does the mechanism of heterogeneous catalysis differ from that of homogeneous catalysis in terms of reactant adsorption and activation energy barriers?
answered
Feb 13
in
Surface Chemistry
0
votes
27
views
What is the role of DNA polymerase in the process of DNA replication and repair? How does it ensure the accuracy of the newly synthesized DNA strand?
answered
Feb 12
in
BioChemistry
0
votes
56
views
How can the synthesis of metal-organic frameworks be optimized for higher yield and purity?
answered
Feb 11
in
Materials Chemistry
0
votes
33
views
How can chemistry students better prepare themselves for careers in the field, and are there any specific skills or knowledge areas that are often inadequately covered in traditional chemistry curricula?
answered
Feb 4
in
Chemical education
0
votes
52
views
Design a system for the safe storage and transportation of 1000 liters of hydrochloric acid, taking into account factors such as temperature and pressure control, compatibility with the storage container and transportation vehicle, and emergency response measures in case of spills or leaks.
answered
Feb 4
in
Chemical engineering
0
votes
38
views
How does changing the concentration of the reactants affect the equilibrium constant and the reaction rate of the reaction between iodine and propanone in acidic solution?
answered
Feb 3
in
Chemical kinetics
0
votes
57
views
Calculate the heat capacity of a 25.0 g sample of copper, given that it was heated from 25°C to 50°C when it absorbed 209 J of heat. The specific heat capacity of copper is 0.385 J/g°C.
answered
Jan 23
in
Chemical thermodynamics
0
votes
54
views
Assume a reaction where magnesium (Mg) reacts with chlorine (Cl2) to produce magnesium chloride (MgCl2). If we start with 10 grams of magnesium and 20 grams of chlorine, what mass of magnesium chloride can we produce?
answered
Jan 22
in
Chemical reactions
0
votes
74
views
How can social learning theory help explain childhood aggression?
answered
Jan 20
in
Psychology
0
votes
36
views
According to the interpersonal-psychological theory of suicidal behaviour, what are the key factors that predict suicide risk?
answered
Jan 20
in
Psychology
0
votes
11
views
How has behaviourism influenced animal behaviour research?
answered
Jan 17
in
Psychology
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