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0
votes
1
answer
24
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How does the polarity of a solvent affect the photochemical reaction rate of a specific compound?
asked
3 days
ago
in
PhotoChemistry
0
votes
1
answer
21
views
What is the mechanism for a ligand substitution reaction between [Co(H2O)6]2+ and Cl- in aqueous solution?
asked
4 days
ago
in
Coordination Chemistry
0
votes
1
answer
18
views
What is the effect of temperature on the phase behavior of a liquid crystal through Monte Carlo simulations?
asked
5 days
ago
in
Computational Chemistry
0
votes
1
answer
23
views
How do the coordination chemistry properties of copper in the active site of cytochrome c oxidase affect its ability to facilitate the reduction of molecular oxygen to water?
asked
6 days
ago
in
Coordination Chemistry
0
votes
1
answer
21
views
What is the balanced chemical equation for the reaction between hydrochloric acid and sodium hydroxide, and what is the concentration of H+ and OH- ions in the resulting solution?
asked
Feb 17
in
Chemical reactions
0
votes
1
answer
33
views
How does surface chemistry influence the stability and shelf life of emulsions used in the production of food and beverage products, and how can this knowledge be applied to optimize emulsion formulations in the industry?
asked
Feb 14
in
Surface Chemistry
0
votes
1
answer
40
views
What are the electronic properties of polyacetylene and how does the conjugation lengths in the polymer affect those properties?
asked
Feb 14
in
Polymer Chemistry
0
votes
1
answer
38
views
How does the mechanism of heterogeneous catalysis differ from that of homogeneous catalysis in terms of reactant adsorption and activation energy barriers?
asked
Feb 13
in
Surface Chemistry
0
votes
1
answer
31
views
How can the mechanical properties (tensile strength, fracture toughness, etc.) of polymer-based composites for aerospace applications be improved without compromising their lightweight characteristic?
asked
Feb 10
in
Polymer Chemistry
0
votes
1
answer
49
views
Here is a precise problem for the student to solve:Using ab initio calculations, determine the electronic structure and energetics of a transition metal complex, specifically a ruthenium-based complex with ligands consisting of two bipyridine molecules and one 2,2'-bipyridine-4,4'-dicarboxylic acid molecule. Compare the calculated properties to experimental data and discuss the accuracy of the theoretical approach used.
asked
Feb 4
in
Computational Chemistry
0
votes
1
answer
49
views
Calculate the standard enthalpy change for the reaction: CH4(g) + 2O2(g) -> CO2(g) + 2H2O(g) Given the necessary bond enthalpies are: C-H = 411 kJ/molO=O = 495 kJ/molO-H = 463 kJ/molC=O = 799 kJ/mol.
asked
Feb 3
in
Quantum Chemistry
0
votes
1
answer
50
views
How does changing the concentration of reactants affect the selectivity of a chemical reaction?
asked
Feb 3
in
Chemical kinetics
0
votes
1
answer
89
views
What is the composition of a given sample that was analyzed using X-ray diffraction?
asked
Jan 30
in
Analytical Chemistry
0
votes
1
answer
53
views
How can ion-selective electrodes be used to detect and quantify the concentration of chloride ions in a water sample?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
55
views
Calculate the lattice energy of magnesium oxide (MgO) given the following data: Ionization energy of magnesium (Mg): 738 kJ/mol Electron affinity of oxygen (O): -141 kJ/mol Lattice energy of MgO at standard conditions: -3795 kJ/mol Bond length between Mg and O: 203 pm
asked
Jan 23
in
Inorganic Chemistry
0
votes
1
answer
67
views
A 0.50 L vessel contains 1.0 mol of N2(g) and 3.0 mol of H2(g) at equilibrium at 400 K according to the following equation:N2(g) + 3H2(g) ⇌ 2NH3(g)If the volume of the vessel is suddenly decreased to 0.25 L, what will happen to the equilibrium position? Will the concentration of NH3 increase or decrease? Calculate the new equilibrium constant at this new volume.
asked
Jan 22
in
Chemical equilibrium
0
votes
1
answer
62
views
Which one of the following pairs has alkane and cycloalkane isomers?a) Butane and cyclobutane b) Pentane and cyclopropane c) Hexane and cyclohexane d) Heptane and cycloheptane
asked
Jan 21
in
Organic Chemistry
0
votes
1
answer
62
views
Why is unconditional positive regard important in therapy?
asked
Jan 20
in
Psychology
0
votes
1
answer
36
views
What does the cognitive reserve theory suggest about aging and cognitive abilities?
asked
Jan 20
in
Psychology
0
votes
1
answer
62
views
What did the Bobo doll experiment demonstrate?
asked
Jan 20
in
Psychology
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