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User JeanetteOffi
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0
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86
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How does the rate of electron transfer in a redox reaction change with varying concentrations of reactants and catalysts, and what factors influence the energy barriers for the transfer process?
answered
Feb 22
in
Quantum Chemistry
0
votes
78
views
What is the optimum temperature and reaction time required to synthesize high molecular weight polyacrylonitrile from acrylonitrile monomer using a free radical polymerization method?
answered
Feb 22
in
Chemical synthesis
0
votes
97
views
What are the resonance structures of the molecule nitrate ion (NO3-)?
answered
Feb 21
in
Chemical bonding
0
votes
85
views
How does the molecular weight of a polymer affect the mechanical properties of a 3D-printed object made from that polymer?
answered
Feb 21
in
Polymer Chemistry
0
votes
98
views
What is the relationship between the electronic configuration of an inorganic compound and its reactivity?
answered
Feb 20
in
Inorganic Chemistry
0
votes
95
views
What is the effect of temperature on the rate of reaction and the profitability of the reaction between hydrochloric acid and magnesium?
answered
Feb 20
in
Chemical kinetics
0
votes
102
views
How do the spectroscopic techniques like UV-Vis, IR, and NMR help in characterizing coordination compounds and determining their electronic and geometric structure?
answered
Feb 14
in
Coordination Chemistry
0
votes
163
views
What is the number of electrons transferred in the electrochemical reaction between silver (Ag) and copper (Cu) in which silver ions (Ag+) get reduced to silver metal (Ag) while copper metal (Cu) is oxidized to copper ions (Cu2+)?
answered
Feb 13
in
ElectroChemistry
0
votes
93
views
How can the mechanical properties of biodegradable polymers be optimized for use in orthopedic implants?
answered
Feb 10
in
Materials Chemistry
0
votes
145
views
What are the main differences between addition polymerization and condensation polymerization, and how do these differences affect the properties of the resulting polymers? Provide examples of each type of polymerization and explain how their properties differ.
answered
Jan 30
in
Organic Chemistry
0
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206
views
How can X-ray diffraction be used to identify the crystal structure and composition of a sample?
answered
Jan 30
in
Analytical Chemistry
0
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139
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Calculate the enthalpy change for the reaction: 2H2(g) + O2(g) --> 2H2O(g) given the following enthalpy changes: H2(g) + 1/2O2(g) --> H2O(g) ΔH1 = -286 kJ/molH2(g) + 1/2Cl2(g) --> HCl(g) ΔH2 = -92 kJ/mol Cl2(g) --> 2Cl(g) ΔH3 = +242 kJ/molHCl(g) + 1/2O2(g) --> H2O(g) + Cl2(g) ΔH4 = -184 kJ/mol
answered
Jan 23
in
Chemical reactions
0
votes
148
views
What is the ecological approach's evaluation of perceptual illusions?
answered
Jan 20
in
Psychology
0
votes
76
views
What is the relationship between power and discourse?
answered
Jan 17
in
Psychology
0
votes
70
views
When evaluating the theories of love, what is the triangular theory of love?
answered
Jan 16
in
Psychology
0
votes
65
views
What is the object relations theory?
answered
Jan 15
in
Psychology
0
votes
116
views
What is the difference between observational learning and imitation?
answered
Jan 15
in
Psychology
0
votes
118
views
What is the 'social robot' hypothesis?
answered
Jan 14
in
Psychology
0
votes
118
views
What is meant by disenfranchised grief?
answered
Jan 14
in
Psychology
0
votes
56
views
Which organ is the control center of the nervous system?
answered
Jan 8
in
Science
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