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0
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22
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What is the predicted bond angle in the water molecule and why is it different from the predicted bond angle in the carbon dioxide molecule?
answered
3 days
ago
in
Chemical bonding
0
votes
20
views
How does the molecular weight of a polymer affect the flow behavior of its melt under shear stress?
answered
4 days
ago
in
Polymer Chemistry
0
votes
29
views
How can the yield of a chemical reaction be optimized by manipulating the reaction conditions and parameters such as temperature, pressure, reactant concentrations, and catalysts for the synthesis of ethyl acetate via Fischer esterification reaction?
answered
5 days
ago
in
Chemical engineering
0
votes
27
views
How does the degree of entanglement in molecular and nanoscale systems affect their properties and behavior under various physical conditions?
answered
6 days
ago
in
Quantum Chemistry
0
votes
27
views
How does the composition and amount of oil released during an oil spill affect the extent of its impact on the environment and what are the chemical processes that occur during the degradation of oil in water and on shorelines?
answered
Feb 18
in
Environmental Chemistry
0
votes
21
views
How does the activation of the enzyme Phospholipase A2 lead to the production of signaling molecules such as prostaglandins and leukotrienes in the arachidonic acid pathway of lipid metabolism?
answered
Feb 17
in
BioChemistry
0
votes
22
views
How does surface modification of polymers, such as plasma treatment or chemical functionalization, affect their hydrophobicity and adhesion properties?
answered
Feb 17
in
Surface Chemistry
0
votes
35
views
How do the properties of polyurethane change with varying ratios of diisocyanate and polyol in the chemical synthesis process, and how do these changes affect the performance and potential applications of the resulting material?
answered
Feb 14
in
Chemical synthesis
0
votes
34
views
What type of hybrid orbitals are present in the molecule of formaldehyde (H2CO)?
answered
Feb 13
in
Chemical bonding
0
votes
30
views
What is the effect of crosslinking density on the adhesive and sealing properties of polymer-based adhesives and sealants?
answered
Feb 12
in
Polymer Chemistry
0
votes
39
views
How can the properties of semiconductors be modified to improve the efficiency and durability of electronic devices, such as solar cells or transistors?
answered
Feb 10
in
Materials Chemistry
0
votes
28
views
How can technology be effectively integrated into chemistry education to help students better understand complex concepts, without becoming a distraction or hindrance to their learning process?
answered
Feb 6
in
Chemical education
0
votes
9
views
How can small molecules be designed and modified to target specific metabolic pathways in the treatment of metabolic disorders such as diabetes or obesity?
answered
Feb 5
in
Medicinal Chemistry
0
votes
90
views
How does alternative splicing affect the structure and function of RNA transcripts in eukaryotic cells? Provide examples of proteins that result from alternative splicing and explain how their functions differ from the unspliced form.
answered
Jan 31
in
BioChemistry
0
votes
43
views
How does adding a strong acid or base affect the pH and equilibrium concentration of a weak acid or base such as acetic acid in a solution and how can we predict these changes using the equilibrium constant expression?
answered
Jan 30
in
Chemical equilibrium
0
votes
49
views
Calculate the enthalpy change for the complete combustion of 5 grams of methane gas (CH4) given that the enthalpy of formation for CH4 is -74.8 kJ/mol and the enthalpy of formation for H2O is -285.8 kJ/mol.
answered
Jan 23
in
ThermoChemistry
0
votes
53
views
When was the Heuristics and Biases Program introduced?
answered
Jan 20
in
Psychology
0
votes
34
views
When was the DSM-5 released?
answered
Jan 20
in
Psychology
0
votes
52
views
How might self-esteem theory be relevant to end-of-life care?
answered
Jan 20
in
Psychology
0
votes
54
views
According to Rogers' humanistic theory, what is self-concept?
answered
Jan 20
in
Psychology
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