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User OrvalLasley3
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Recent activity by OrvalLasley3
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What is the mechanism behind the reaction of propyne with hydrogen chloride, and what is the product formed?
asked
3 days
ago
in
Organic Chemistry
1
answer
26
views
How does the coordination chemistry of metalloenzymes and metalloproteins impact their biological functions?
asked
6 days
ago
in
Coordination Chemistry
1
answer
24
views
How does the surface modification of polymers affect their hydrophilicity and adhesion properties?
answered
Feb 17
in
Surface Chemistry
1
answer
25
views
What is the role of metal ions in the mechanism of metalloenzymes? Please provide specific examples of metalloenzymes and their corresponding metal ion cofactors.
asked
Feb 13
in
Coordination Chemistry
1
answer
46
views
What is the polarity of the carbon-oxygen bond in carbon dioxide?
asked
Feb 13
in
Chemical bonding
1
answer
50
views
How can the properties of coordination polymers and metal-organic frameworks be modified by changing the nature of the metal ions and/or organic ligands used in their synthesis?
answered
Feb 10
in
Coordination Chemistry
1
answer
26
views
How can the design of a chemical treatment system effectively remove heavy metals from industrial wastewater without creating harmful byproducts or negatively impacting the treated water's quality?
asked
Feb 6
in
Chemical engineering
1
answer
33
views
How can the design of a biological treatment system for the removal of organic matter from industrial wastewater be optimized for maximum efficiency and cost-effectiveness?
asked
Feb 6
in
Chemical engineering
1
answer
33
views
How can the critical temperature of superconducting materials be increased to enable their use in everyday applications?
answered
Feb 6
in
Materials Chemistry
1
answer
50
views
How can the chemical reaction of photosynthesis be explained in a real-world scenario and what impact does it have on the environment?
answered
Feb 6
in
Chemical education
1
answer
28
views
How can surface properties of polymer coatings be modified to enhance their adhesive properties for bonding to different substrates?
answered
Feb 6
in
Polymer Chemistry
1
answer
30
views
How can molecular docking simulations be used to predict the strength and specificity of protein-protein interactions, and how can this information be used to design novel therapies that target these interactions?
asked
Feb 5
in
Computational Chemistry
1
answer
33
views
How can chemistry educators incorporate more practical applications of chemistry in their teaching methods to enhance students' understanding of the subject?
asked
Feb 4
in
Chemical education
1
answer
46
views
Calculate the standard enthalpy change for the sublimation of iodine at 25°C, given that the standard enthalpy of fusion of iodine is 15.7 kJ/mol and the standard enthalpy of vaporization of iodine is 41.0 kJ/mol. (The molar mass of iodine is 126.90 g/mol)
answered
Feb 3
in
Chemical thermodynamics
1
answer
33
views
Calculate the new equilibrium concentration of a complex ion formed between Cu<sup>2+</sup> and NH<sub>3</sub>(aq) at 25°C, if the initial concentration of Cu<sup>2+</sup> is 0.10 M and NH<sub>3</sub>(aq) is 0.05 M, and the temperature is increased to 35°C. The equilibrium constant (K<sub>c</sub>) for this reaction is 1.6×10<sup>7</sup>.
answered
Feb 3
in
Chemical equilibrium
1
answer
73
views
How do changes in molecular geometry affect the calculation of magnetic properties in molecules and materials using quantum chemistry?
answered
Jan 31
in
Quantum Chemistry
1
answer
47
views
Calculate the heat released when 50 ml of 0.1 M HCl is neutralized with 50 ml of 0.1 M NaOH, assuming that the specific heat capacity of the mixture is 4.18 J/g°C and the density of the final solution is 1.0 g/mL.
asked
Jan 23
in
ThermoChemistry
1
answer
53
views
Calculate the equilibrium constant, Kc, for the reaction below at 25°C if the concentration of CO2 is 1.2 M, the concentration of H2 is 0.8 M and the concentration of CO is 0.6 M.CO2(g) + H2(g) ⇌ CO(g) + H2O(g)
answered
Jan 23
in
Chemical equilibrium
1
answer
40
views
A student wants to determine the maximum voltage and power output of a primary cell that consists of a zinc electrode in 1M Zn(NO3)2 solution and a silver electrode in 1M AgNO3 solution. The student knows the standard reduction potentials of Zn2+/Zn and Ag+/Ag to be -0.76V and +0.80V, respectively. Assuming the cell operates under standard conditions at 298K, what is the maximum voltage that the cell can generate and the maximum power output it can deliver?
asked
Jan 22
in
ElectroChemistry
1
answer
39
views
According to the two-factor theory of emotion, what is the process of experiencing emotions?
answered
Jan 20
in
Psychology
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