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0
votes
1
answer
23
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What is the pH of a solution if the pH meter reading is 7.5 and the temperature of the solution is 25°C?
asked
3 days
ago
in
Analytical Chemistry
0
votes
1
answer
18
views
How does the morphology of catalyst surfaces affect their catalytic activity in the conversion of reactants into products?
asked
4 days
ago
in
Surface Chemistry
0
votes
1
answer
13
views
What is the Lewis structure of the compound CH4O?
asked
5 days
ago
in
Chemical bonding
0
votes
1
answer
31
views
What is the equilibrium constant expression for the dissociation of acetic acid, CH3COOH, in water? Calculate the equilibrium constant value given that the pH of the solution is 4.5 and the initial concentration of acetic acid is 0.1 M.
asked
6 days
ago
in
Chemical equilibrium
0
votes
1
answer
32
views
How does the concentration of adsorbate affect the efficiency of activated carbon in removing pollutants from water?
asked
Feb 18
in
Surface Chemistry
0
votes
1
answer
33
views
How do the chemical properties and structures of different polymer-based packaging materials affect their degradation and environmental impact, and how can we design more sustainable packaging materials using polymer chemistry principles?
asked
Feb 18
in
Polymer Chemistry
0
votes
1
answer
22
views
What is the bond enthalpy of a carbon-hydrogen (C-H) bond in methane (CH4), given that the energy required to break a mole of C-H bonds in methane is 413 kJ/mol?
asked
Feb 18
in
Chemical bonding
0
votes
1
answer
37
views
What is the effect of surface chemistry on emulsification in food and beverage processing, and how can it be optimized to improve the stability and consistency of emulsions?
asked
Feb 14
in
Surface Chemistry
0
votes
1
answer
32
views
What factors determine the bond strength of a molecule? Provide examples of molecules with strong and weak bonds, and explain how the types of bonds in those molecules contribute to their overall strength or weakness.
asked
Feb 14
in
Chemical bonding
0
votes
1
answer
33
views
How does the process of protein degradation and turnover occur in cells, and what are the specific enzymes involved in the breakdown of different types of proteins?
asked
Feb 14
in
BioChemistry
0
votes
1
answer
33
views
What are the hybrid orbitals present in the molecule of formaldehyde (CH2O)?
asked
Feb 13
in
Chemical bonding
0
votes
1
answer
30
views
What is the net ATP production and the overall chemical reaction equation during one round of glycolysis in a human red blood cell?
asked
Feb 13
in
BioChemistry
0
votes
1
answer
22
views
How can the manufacturing process of polyethylene be optimized to improve the mechanical properties of the polymer?
asked
Feb 7
in
Polymer Chemistry
0
votes
1
answer
51
views
Can the unique photophysical properties of lanthanide complexes be harnessed for efficient light harvesting and photocatalysis? Explore the photochemical properties of selected lanthanide complexes to demonstrate their potential applications in these fields.
asked
Feb 3
in
PhotoChemistry
0
votes
1
answer
69
views
What is the most efficient renewable energy source in terms of its impact on the environment, and how can its efficiency be improved to make it a more viable alternative to non-renewable energy sources?
asked
Jan 31
in
Environmental Chemistry
0
votes
1
answer
61
views
Calculate the enthalpy change for the polymerization reaction of ethylene to form polyethylene using the bond dissociation energies listed below: C-H bond energy = 413 kJ/mol C=C bond energy = 602 kJ/mol Assume that the polymerization reaction proceeds via breaking of the C=C bond followed by formation of the C-C bond in polyethylene.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
41
views
According to Bronfenbrenner, why is the microsystem the most influential level of influence?
asked
Jan 20
in
Psychology
0
votes
1
answer
24
views
Who created the PERMA model?
asked
Jan 20
in
Psychology
0
votes
1
answer
54
views
Who developed the sociocultural theory of development?
asked
Jan 20
in
Psychology
0
votes
1
answer
72
views
What is ANOVA?
asked
Jan 17
in
Psychology
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