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What is the most effective method for synthesizing metal nanoparticles with a size range of 10-50 nm, using environmentally friendly and cost-effective approaches?
asked
Feb 21
in
Materials Chemistry
0
votes
1
answer
34
views
What are the biochemical mechanisms behind the signal transduction pathways of the hormone insulin, and how do these pathways regulate glucose metabolism in the liver and skeletal muscle?
asked
Feb 20
in
BioChemistry
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votes
1
answer
31
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How do the electronic configurations of metal ions impact their reactivity with non-metallic elements in inorganic compounds?
asked
Feb 20
in
Inorganic Chemistry
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1
answer
48
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How can the identification and modification of specific chemical structures in potential drug candidates enhance their efficacy for treating autoimmune diseases and reduce their potential side effects?
asked
Feb 7
in
Medicinal Chemistry
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votes
1
answer
35
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How can one determine whether a molecule exhibits geometrical or optical isomerism?
asked
Feb 5
in
Chemical bonding
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1
answer
91
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Design a distillation column that separates a mixture of ethanol and water with a 95% ethanol purity and a production rate of 1000 liters per hour. The mixture contains 50% ethanol and 50% water by volume. The distillation column should operate at a pressure of 1 atm and a temperature range of 78-85°C. Assume that the feed enters the column as a saturated liquid and that the overhead product is 90% ethanol, while the bottom product is 5% ethanol. Determine the number of stages required and the reflux ratio for this system.
asked
Feb 3
in
Chemical engineering
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1
answer
74
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Calculate the equilibrium constant for the electrochemical cell reaction given below, if the standard reduction potential for the reduction of Fe3+ ion is -0.771 V and for the reduction of Ag+ ion is +0.799 V. Fe3+ + 3e- → Fe (s) E° = -0.771 VAg+ + e- → Ag (s) E° = +0.799 V
asked
Jan 23
in
ElectroChemistry
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1
answer
97
views
What is the condensed structural formula for 3,3-dimethylhexane?
asked
Jan 21
in
Organic Chemistry
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1
answer
40
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When was the concept of the Circle of Security introduced?
asked
Jan 20
in
Psychology
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1
answer
61
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What is linguistic determinism?
asked
Jan 20
in
Psychology
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votes
0
answers
85
views
When was the specificity theory proposed?
asked
Jan 16
in
Psychology
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votes
1
answer
145
views
How can the psychosocial theory of development be evaluated?
asked
Jan 16
in
Psychology
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votes
1
answer
84
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What is the role of spirituality in indigenous psychology?
asked
Jan 16
in
Psychology
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votes
1
answer
72
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Who is responsible for the cognitive theory of depression?
asked
Jan 16
in
Psychology
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votes
1
answer
68
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What is the justification-suppression model?
asked
Jan 16
in
Psychology
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votes
1
answer
29
views
What is sample bias?
asked
Jan 15
in
Psychology
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votes
1
answer
108
views
What are some criticisms of the Big Five personality model?
asked
Jan 13
in
Psychology
0
votes
1
answer
71
views
What does the acronym DSM-5 stand for?
asked
Jan 13
in
Psychology
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votes
1
answer
40
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What is the difference between the experimental and quasi-experimental research designs?
asked
Jan 10
in
Psychology
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1
answer
51
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Where is the guinea worm a serious problem?
asked
Jan 8
in
Science
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