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0
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27
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What is the detailed mechanism of the electrophilic aromatic substitution reaction of nitration using nitric acid and sulfuric acid as the reagents on benzene?
answered
Feb 20
in
Organic Chemistry
0
votes
32
views
What is the electronegativity difference between a nitrogen atom and a chlorine atom in the molecule HCl?
answered
Feb 20
in
Chemical bonding
0
votes
14
views
How does the Calvin Cycle in photosynthesis contribute to carbon fixation, and what is the role of enzymes such as ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCO) in this process?
answered
Feb 18
in
BioChemistry
0
votes
29
views
What is the bond strength of the oxygen to hydrogen bond in water and how does it compare to the bond strength of the carbon to hydrogen bond in methane? What factors contribute to these differences in bond strength between these two molecules?
answered
Feb 18
in
Chemical bonding
0
votes
30
views
How does the addition of a strong acid affect the ionization of a weak base?
answered
Feb 17
in
Chemical equilibrium
0
votes
38
views
How does protein-protein interaction affect the conformational stability of a protein complex in different pH conditions?
answered
Feb 14
in
BioChemistry
0
votes
75
views
What is the probability of a methane molecule reacting with a hydroxyl radical to form a formaldehyde molecule and a hydroperoxy radical in the gas phase at 298K and 1 atm pressure, using Monte Carlo simulations?
answered
Jan 31
in
Computational Chemistry
0
votes
99
views
How does an increase in the concentration of reactant or product affect the equilibrium position of a redox reaction, and can you calculate the new equilibrium constant if the concentration of a reactant or product is changed? Provide a specific example of a redox reaction and show step-by-step how to calculate the new equilibrium constant if the concentration of a reactant or product is increased or decreased.
answered
Jan 31
in
Chemical equilibrium
0
votes
68
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Calculate the enthalpy change for the precipitation reaction between 50.0 mL of 0.150 M silver nitrate solution and excess sodium chloride solution if the temperature change was measured to be -5.47°C. The molar mass of AgNO3 is 169.87 g/mol, and the density of the silver nitrate solution is 1.05 g/mL. The reaction is as follows: AgNO3(aq) + NaCl(aq) -> AgCl(s) + NaNO3(aq).
answered
Jan 23
in
ThermoChemistry
0
votes
104
views
A beaker containing 1L of water is divided into two equal compartments by a semi-permeable membrane. One side of the membrane has 1M NaCl solution and the other side is pure water. Determine the time taken for the concentration of NaCl on both sides of the membrane to become equal through diffusion. Given: Molecular weight of NaCl is 58.44 g/mol, and diffusion coefficient of NaCl in water is 1.6 x 10^-9 m^2/s.
answered
Jan 22
in
Physical Chemistry
0
votes
40
views
What is the role of personality in shaping social attitudes?
answered
Jan 20
in
Psychology
0
votes
70
views
Who developed the idea of self-compassion?
answered
Jan 20
in
Psychology
0
votes
28
views
What is the role of cognitive psychology in AI design?
answered
Jan 17
in
Psychology
0
votes
70
views
How do behaviourist principles apply to organisational change management?
answered
Jan 17
in
Psychology
0
votes
92
views
Who developed the broaden-and-build theory of positive emotions?
answered
Jan 17
in
Psychology
0
votes
53
views
What is the central point behind Bandura's social learning theory?
answered
Jan 17
in
Psychology
0
votes
40
views
According to the cognitive theory, what is catastrophizing?
answered
Jan 17
in
Psychology
0
votes
83
views
What is Occam's Razor?
answered
Jan 17
in
Psychology
0
votes
53
views
What is the difference between psychotherapy and counselling?
answered
Jan 15
in
Psychology
0
votes
79
views
According to the coefficient of determination (r-squared), what does it represent?
answered
Jan 15
in
Psychology
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