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0
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1
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23
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How does the photochemical nature of dyes and pigments affect their use in textile?
asked
3 days
ago
in
PhotoChemistry
0
votes
1
answer
23
views
What are the optimal conditions and parameters required for 3D printing of polylactic acid (PLA) polymer, and how do these conditions affect the mechanical properties and print quality of the final product?
asked
3 days
ago
in
Materials Chemistry
0
votes
1
answer
19
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Identify the type of inorganic compound formed between magnesium and chlorine.
asked
5 days
ago
in
Inorganic Chemistry
0
votes
1
answer
26
views
What is the effect of temperature on the phase transition of liquid crystals?
asked
5 days
ago
in
Physical Chemistry
0
votes
1
answer
29
views
What is the bond enthalpy of a carbon-carbon double bond in an ethene molecule (C2H4)?
asked
Feb 18
in
Chemical bonding
0
votes
1
answer
35
views
How can we predict the crystal structure of inorganic solids with complex compositions and what experimental techniques can we use to confirm the predicted structure?
asked
Feb 14
in
Inorganic Chemistry
0
votes
1
answer
33
views
How can we use molecular dynamics simulations to study the protein folding process and predict the most stable conformation of a protein?
asked
Feb 13
in
Computational Chemistry
0
votes
1
answer
26
views
How do metal ions coordinate and catalyze reactions in metalloproteins and enzymes?
asked
Feb 13
in
Coordination Chemistry
0
votes
1
answer
39
views
What is the role of hydrogen bonding between complementary base pairs in stabilizing the structure of DNA, and how does this relate to the concept of base pairing specificity?
asked
Feb 13
in
BioChemistry
0
votes
1
answer
35
views
How does the coordination chemistry of chelating agents explain their ability to selectively bind to and remove toxic heavy metal ions from biological systems?
asked
Feb 12
in
Coordination Chemistry
0
votes
1
answer
38
views
How can the sensitivity of SERS be improved for the detection of low concentration trace molecules?
asked
Feb 10
in
Surface Chemistry
0
votes
1
answer
42
views
How can the process for producing detergents be optimized to reduce environmental impact without compromising the quality and effectiveness of the final product?
asked
Feb 10
in
Chemical engineering
0
votes
1
answer
87
views
How much chloride ion (Cl-) is present in a 75 mL sample of a solution with an unknown concentration of sodium chloride (NaCl) using a potentiometric titration with 0.1 M silver nitrate (AgNO3) solution and a silver-silver chloride (Ag/AgCl) reference electrode?
asked
Jan 30
in
Analytical Chemistry
0
votes
1
answer
54
views
How can the concentration of calcium ions in a solution be determined using ion-selective electrodes in analytical chemistry?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
66
views
Calculate the heat of mixing when 25.0 mL of 0.50 M HCl solution is added to 25.0 mL of 0.50 M NaOH solution at 25 °C. The heat capacity of the resulting solution is 4.18 J/g°C and the density is 1.00 g/mL. Assume the heat of reaction is constant at 57.1 kJ/mol.
asked
Jan 23
in
ThermoChemistry
0
votes
1
answer
101
views
A student wants to measure the heat of crystallization of sodium acetate trihydrate. The student takes 50 g of sodium acetate trihydrate and dissolves it in 100 ml of water at 70°C. The solution is then allowed to cool to 20°C, during which the sodium acetate trihydrate crystallizes out. The student measures the temperature change during this process and finds that the temperature drops to 45°C. What is the heat of crystallization of sodium acetate trihydrate in kJ/mol?
asked
Jan 22
in
ThermoChemistry
0
votes
1
answer
58
views
A copper wire is exposed to a solution containing 0.2 M NaCl. The corrosion rate of the wire is found to be 5.8 microAmp/cm². Calculate the corrosion current density of the copper wire in the given environment.
asked
Jan 22
in
ElectroChemistry
0
votes
1
answer
75
views
What is the name of the famous obedience experiment conducted in the 1960s?
asked
Jan 20
in
Psychology
0
votes
1
answer
57
views
Where was the first study on transcranial magnetic stimulation TMS conducted for anxiety?
asked
Jan 20
in
Psychology
0
votes
1
answer
37
views
According to the social identity theory, what is the role of self-categorisation in intergroup behaviour?
asked
Jan 20
in
Psychology
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