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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?
answered
Feb 21
in
Materials Chemistry
0
votes
30
views
What is the most effective catalyst and reaction conditions for the synthesis of polypropylene from propylene monomer using a Ziegler-Natta catalyst?
answered
Feb 21
in
Chemical synthesis
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votes
29
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How can we design a chemical engineering system for the production of cosmetics that maximizes product yield while minimizing waste and ensuring product purity and safety? What specific chemical processes and equipment are required for this system?
answered
Feb 12
in
Chemical engineering
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votes
36
views
How can the photochemical properties of photochromic materials be utilized in the development of smart glasses that can automatically adjust their tint based on the intensity of light?
answered
Feb 10
in
PhotoChemistry
0
votes
31
views
How can fertilizer management practices be improved to minimize environmental pollution while increasing crop production in sustainable agriculture?
answered
Feb 6
in
Environmental Chemistry
0
votes
34
views
How can one predict the stability of inorganic compounds based on their chemical formula and structure?
answered
Feb 5
in
Inorganic Chemistry
0
votes
83
views
How can a chemical engineering process be developed to produce [insert specific chemical name] with high purity and yield using cost-effective and sustainable methods?
answered
Feb 4
in
Chemical engineering
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votes
52
views
Chemistry student, can you predict the products and balance the following double replacement chemical reaction: NaCl + AgNO3?
answered
Feb 3
in
Chemical reactions
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votes
103
views
What is the effect of adding a catalyst on the equilibrium position of a redox reaction between hydrogen peroxide and iodide ions? Calculate the new equilibrium constant and predict the direction of the shift in equilibrium.
answered
Jan 30
in
Chemical equilibrium
0
votes
58
views
How can the composition of a mineral sample be determined using X-ray diffraction analysis?
answered
Jan 29
in
Analytical Chemistry
0
votes
60
views
How can capillary electrophoresis be used to analyze the composition of a protein sample?
answered
Jan 29
in
Analytical Chemistry
0
votes
59
views
Calculate the formal charge on the nitrogen atom in the molecule NO3-.
answered
Jan 23
in
Chemical bonding
0
votes
91
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A chemistry student needs to determine the percent by mass of magnesium (Mg) in a sample of limestone. The student has access to 5 grams of the sample and is provided with the following information: the sample is comprised of calcium carbonate (CaCO3) and magnesium carbonate (MgCO3); the atomic masses of the elements are: Ca = 40.08 g/mol, C = 12.01 g/mol, O = 16.00 g/mol, and Mg = 24.31 g/mol; and the sample contains a total of 3.06 grams of carbon (C). Calculate the percentage by mass of magnesium in the limestone sample using mass balance calculations.
answered
Jan 22
in
Analytical Chemistry
0
votes
80
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What is the name and molecular formula of the alkane with six carbon atoms in its chain?
answered
Jan 21
in
Organic Chemistry
0
votes
78
views
According to self-perception theory, how do people form attitudes about themselves?
answered
Jan 20
in
Psychology
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votes
73
views
According to Zimbardo's Stanford prison experiment, what happened to the participants who were assigned the role of guards?
answered
Jan 20
in
Psychology
0
votes
73
views
How might selective optimisation with compensation explain age-related cognitive changes?
answered
Jan 20
in
Psychology
0
votes
40
views
Where does emotion-focussed therapy EFT come from?
answered
Jan 17
in
Psychology
0
votes
55
views
Who developed the concept of cognitive dissonance?
answered
Jan 15
in
Psychology
0
votes
76
views
When was the Social Learning Theory proposed?
answered
Jan 15
in
Psychology
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