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1
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What is the order of reaction with respect to reactant A if the rate of reaction doubles when the concentration of A is doubled, while the concentration of reactant B remains constant?
asked
3 days
ago
in
Chemical kinetics
0
votes
1
answer
23
views
What is the most effective protecting group for an alcohol functional group during a reaction with a strong acid catalyst? How does the choice of protecting group affect the yield and selectivity of the reaction?
asked
3 days
ago
in
Organic Chemistry
0
votes
1
answer
18
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What is the effect of temperature on the surface tension of a lipid bilayer in biomembranes?
asked
5 days
ago
in
Surface Chemistry
0
votes
1
answer
29
views
How does the polymer morphology affect water permeability and selectivity in polymer-based membranes for water treatment?
asked
Feb 14
in
Polymer Chemistry
0
votes
1
answer
37
views
What is the predicted color of lead (II) nitrate based on its electronic structure and coordination number? How does the predicted color compare to the actual color observed in a laboratory experiment?
asked
Feb 13
in
Inorganic Chemistry
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votes
1
answer
37
views
How does inadequate training of chemistry teachers affect student understanding and performance in chemistry courses?
asked
Feb 13
in
Chemical education
0
votes
1
answer
41
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What alternative resources are available to students studying chemistry in areas where traditional textbooks are not readily available, and how can these resources be effectively utilized to enhance their learning experience?
asked
Feb 13
in
Chemical education
0
votes
1
answer
33
views
How many ATP molecules are produced during one cycle of the citric acid cycle and oxidative phosphorylation?
asked
Feb 13
in
BioChemistry
0
votes
1
answer
29
views
How can the efficiency of solar cells be improved through the synthesis and characterization of new materials with optimized electron transport and light absorption properties?
asked
Feb 7
in
Materials Chemistry
0
votes
1
answer
31
views
How can molecular docking studies of a potential drug candidate be used to optimize its binding affinity and selectivity to the target protein, leading to a more effective drug for therapeutic purposes?
asked
Feb 5
in
Computational Chemistry
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votes
1
answer
42
views
How can different types of soil contaminants affect the absorption of nutrients by plants, and what are the potential consequences for agricultural productivity and food supply?
asked
Feb 5
in
Environmental Chemistry
0
votes
1
answer
56
views
Determine the type of isomerism of the molecule CH3CH2CH2OH and draw its corresponding isomer(s).
asked
Feb 4
in
Chemical bonding
0
votes
1
answer
34
views
Determine the equilibrium constant (Kc) for the reaction 2NO(g) + O2(g) ⇌ 2NO2(g) if the initial concentration of NO is 0.15 M, O2 is 0.10 M and NO2 is 0.30 M at equilibrium.
asked
Feb 4
in
Chemical reactions
0
votes
1
answer
79
views
What is the concentration of an HCl solution if 25.00 mL of the solution requires 35.80 mL of 0.100 M NaOH to reach the endpoint during titration?
asked
Jan 30
in
Analytical Chemistry
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votes
1
answer
57
views
Identify the unknown compound X using mass spectrometry data provided. The data includes the molecular ion peak at m/z 172, and fragment ions at m/z 145 and 127.
asked
Jan 30
in
Analytical Chemistry
0
votes
1
answer
52
views
Calculate the enthalpy change for the dissolution of 10 g of sodium hydroxide in 100 g of water at a temperature of 25°C, given that the final temperature of the solution is 26.5°C and the specific heat capacity of the solution is 4.18 J g⁻¹ K⁻¹. (Assume that the heat released is absorbed by the solution and there is no heat lost to the surroundings.)
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
50
views
Calculate the bond dissociation energy (in kJ/mol) for the O-H bond in water (H2O) given that the enthalpy change for the reaction H2O (g) → H (g) + OH(g) is +495 kJ/mol and the enthalpy change for the reaction H2(g) + 1/2O2(g) → H2O(g) is -241.8 kJ/mol.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
34
views
Compare the influences of genetics and environment on temperament.
asked
Jan 20
in
Psychology
0
votes
1
answer
45
views
When was schema theory proposed?
asked
Jan 17
in
Psychology
0
votes
1
answer
10
views
What is the Dark Side of Charismatic Leadership?
asked
Jan 15
in
Psychology
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