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What is the mechanism behind the photochemistry of benzene, and how does it lead to the formation of phenol in the presence of UV light?
answered
Feb 22
in
Physical Chemistry
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votes
31
views
What is the effect of molecular weight and branching on the mechanical properties of polymers synthesized via free radical polymerization?
answered
Feb 20
in
Polymer Chemistry
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29
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How does the concentration of a surfactant affect its ability to reduce surface tension of a liquid?
answered
Feb 18
in
Surface Chemistry
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votes
31
views
How does the amino acid sequence of a protein influence its folding pathway and the stability of the 3D structure, as predicted by molecular dynamics simulations?
answered
Feb 17
in
Computational Chemistry
0
votes
55
views
How does increasing the concentration of the reactants affect the rate of a chemical reaction with different mechanisms?
answered
Feb 13
in
Chemical kinetics
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votes
95
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How does inadequate training for chemistry teachers affect students' performance in the subject?
answered
Feb 13
in
Chemical education
0
votes
64
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What is the arrangement of atoms in a sodium chloride (NaCl) crystal lattice, and how does this arrangement result in its unique properties and chemical reactivity?
answered
Feb 13
in
Physical Chemistry
0
votes
30
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How do different cooking methods affect the levels of pesticide residues in food?
answered
Feb 12
in
Environmental Chemistry
0
votes
51
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How can the synthesis of polyethylene from ethylene monomer be optimized to increase yield and purity while minimizing the formation of unwanted byproducts?
answered
Feb 11
in
Chemical synthesis
0
votes
35
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How can the knowledge of chemistry be applied to tackle environmental issues, such as pollution and climate change, and how does this contribute to the overall economic development of a country?
answered
Feb 7
in
Chemical education
0
votes
89
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Calculate the enthalpy change for the hydration of MgSO4 using the following data:MgSO4(s) → MgSO4(aq) ΔH1 = 44.5 kJ/molMgSO4(aq) + 7H2O(l) → MgSO4 • 7H2O(s) ΔH2 = -63.2 kJ/mol.
answered
Jan 23
in
ThermoChemistry
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20
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A reaction in a container has an equilibrium constant of K = 5.0 x 10^-3 at a particular temperature. If the volume of the container is suddenly decreased by a factor of 2, what will happen to the concentration of each of the reactants and products at equilibrium? Use the reaction below:2A + B ⇌ 3C + D
answered
Jan 22
in
Chemical equilibrium
0
votes
110
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A chemistry student wants to study the adsorption of nitrogen gas on a copper surface at 298 K. The student knows that the Langmuir adsorption isotherm can be used to describe this system. They want to determine the maximum amount of nitrogen gas that can be adsorbed on the copper surface and the adsorption energy of nitrogen to the copper surface. Can you help the student to calculate these values using the Langmuir adsorption isotherm equation?
answered
Jan 22
in
Surface Chemistry
0
votes
87
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What type of functional group is present in the compound that has an IR stretch at 1700 cm^-1 and an NMR peak at 9 ppm in the ^1H NMR spectrum?
answered
Jan 21
in
Organic Chemistry
0
votes
45
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According to social cognitive theory, how does self-regulation influence behaviour?
answered
Jan 20
in
Psychology
0
votes
65
views
What is the Reid technique?
answered
Jan 20
in
Psychology
0
votes
50
views
Who developed the cognitive perspective?
answered
Jan 16
in
Psychology
0
votes
88
views
What is psychobiography?
answered
Jan 16
in
Psychology
0
votes
68
views
When do people compare themselves?
answered
Jan 15
in
Psychology
0
votes
73
views
Where does the Transtheoretical Model of Addiction suggest addiction comes from?
answered
Jan 15
in
Psychology
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