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Answers by NadiaN491716
0
votes
32
views
What is the reaction mechanism for the addition of HBr to propene according to quantum chemical calculations?
answered
Feb 22
in
Computational Chemistry
0
votes
31
views
How does the presence of heavy metals in industrial effluents affect the quality of groundwater in the surrounding area and what measures can be taken to minimize its impact on the environment?
answered
Feb 22
in
Environmental Chemistry
0
votes
35
views
What is the melting point of a sample of aspirin obtained from a drugstore, and how does it compare to the melting point of pure aspirin? Can the purity of the sample be determined from the melting point data?
answered
Feb 20
in
Analytical Chemistry
0
votes
35
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What is the effect of different additives and processing techniques on the environmental impact of polymer-based packaging materials?
answered
Feb 20
in
Polymer Chemistry
0
votes
29
views
How does the coordination of metal ions with specific amino acid residues affect the activity and stability of metalloproteins/enzymes?
answered
Feb 19
in
Coordination Chemistry
0
votes
32
views
What is the bond order of NO+ ion and NO− ion if the bond order of NO is calculated to be 2.5?
answered
Feb 18
in
Chemical bonding
0
votes
29
views
How does quantum coherence and entanglement affect the electronic states and properties of small molecules and nanoscale systems?
answered
Feb 14
in
Quantum Chemistry
0
votes
38
views
How can computational chemistry and molecular modeling methods be used to predict the properties of a new drug molecule, such as its solubility, stability, and effectiveness in treating a specific disease? Specifically, how do molecular optimization techniques like ligand docking and quantum chemical calculations aid in the design and development of safe and efficacious drugs?
answered
Feb 5
in
Physical Chemistry
0
votes
83
views
Calculate the rate constant and the activation energy for the polymerization of styrene at 60°C, given that the rate of polymerization is 2.21 x 10^-3 mol L^-1 s^-1 at an initial concentration of 0.02 mol L^-1 and the activation energy is 101 kJ mol^-1.
answered
Feb 3
in
Polymer Chemistry
0
votes
160
views
How does a change in pH affect the equilibrium position of a redox reaction between iron (III) and iodide ions, and can this effect be predicted using the Nernst equation? Provide experimental data and calculations to support your answer.
answered
Jan 30
in
Chemical equilibrium
0
votes
117
views
What is the composition of proteins in the given biological sample using electrophoresis technique?
answered
Jan 30
in
Analytical Chemistry
0
votes
64
views
Calculate the Gibbs free energy change for the electrochemical reaction where zinc metal (Zn) is oxidized by aqueous hydrogen ions (H+) to form aqueous zinc ions (Zn2+) and hydrogen gas (H2) at 298 K, given that the standard reduction potential of Zn2+/Zn is -0.76 V and the standard hydrogen electrode potential is 0 V.
answered
Jan 23
in
ElectroChemistry
0
votes
124
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Calculate the enthalpy of vaporization for water given the following information: The boiling point of water is 100°C and its specific heat capacity is 4.18 J/g°C. The density of water at its boiling point is 0.958 g/mL and the heat of fusion for water is 40.7 kJ/mol. The molar mass of water is 18.015 g/mol.
answered
Jan 23
in
ThermoChemistry
0
votes
82
views
As a Chemistry student, analyze the environmental impact of an industrial project that involves the production of fertilizers, and suggest ways to mitigate its negative impact on the environment.
answered
Jan 22
in
Environmental Chemistry
0
votes
125
views
Sure, here's a question for the student to solve:How many molecules of Hydrochloric acid (HCl) are required to completely react with 5 molecules of Sodium Hydroxide (NaOH) according to the balanced chemical equation? The balanced chemical equation is: NaOH + HCl → NaCl + H2O
answered
Jan 21
in
Inorganic Chemistry
0
votes
38
views
Why is the exosystem important in ecological systems theory?
answered
Jan 20
in
Psychology
0
votes
41
views
According to the selective attention model, what is the cocktail party phenomenon?
answered
Jan 20
in
Psychology
0
votes
124
views
How does Bandura's social learning theory differ from Skinner's behaviourism?
answered
Jan 17
in
Psychology
0
votes
37
views
When was the humanistic perspective developed?
answered
Jan 16
in
Psychology
0
votes
127
views
When was the attachment theory proposed?
answered
Jan 16
in
Psychology
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