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0
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26
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What is the efficient method for preparing 2,4-dinitrophenylhydrazine from hydrazine and 2,4-dinitrochlorobenzene, and what is the yield of the reaction?
answered
Feb 20
in
Chemical synthesis
0
votes
36
views
How does the co-administration of carbidopa and levodopa affect the pharmacological effects and adverse reactions of each drug in the treatment of Parkinson's disease?
answered
Feb 18
in
Medicinal Chemistry
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35
views
How does the chemical structure of a drug affect its pharmacodynamics in the human body?
answered
Feb 18
in
Medicinal Chemistry
0
votes
102
views
What is the role of metal ions in the active sites of metalloenzymes and metalloproteins, and how do coordination chemistry principles contribute to our understanding of their reactivity and function?
answered
Feb 13
in
Coordination Chemistry
0
votes
116
views
What is the oxidation state of manganese in potassium permanganate (KMnO4)?
answered
Feb 13
in
ElectroChemistry
0
votes
37
views
What are the intermolecular forces present in hexane?
answered
Feb 13
in
Chemical bonding
0
votes
61
views
How to design a production system for lubricants that meets the specified requirements including process flow, raw materials selection, processing conditions, quality control measures and cost optimization?
answered
Feb 12
in
Chemical engineering
0
votes
168
views
What is the difference between a polar and nonpolar covalent bond, and how does the presence of polar or nonpolar bonds contribute to the overall polarity of a molecule? Provide specific examples to illustrate your answer.
answered
Jan 30
in
Chemical education
0
votes
79
views
Calculate the heat capacity of 50 grams of water at 25°C, given that the specific heat of water is 4.184 J/g°C.
answered
Jan 23
in
Chemical thermodynamics
0
votes
72
views
A chemical plant has a mixture of ethanol and water with a known composition. The plant wants to separate the mixture using a distillation column. As a chemistry student, design a feasible distillation column that can effectively separate the mixture with the given composition. You need to specify the height, diameter, number of trays, reflux ratio, and other necessary parameters needed for designing the column. You are also required to provide an explanation for the choice of each parameter.
answered
Jan 22
0
votes
86
views
What is the major product of the following elimination reaction? CH3CH2CH2Br + KOH → ?
answered
Jan 21
in
Organic Chemistry
0
votes
52
views
What are some practical implications of intelligence theory?
answered
Jan 20
in
Psychology
0
votes
43
views
Where can inferential statistics be used in psychology research?
answered
Jan 17
in
Psychology
0
votes
35
views
Why do researchers use control groups?
answered
Jan 17
in
Psychology
0
votes
145
views
Who developed the problem-solving therapy and what were its main assumptions?
answered
Jan 17
in
Psychology
0
votes
15.8k
views
According to the Cognitive Dissonance Theory, what happens when people hold inconsistent beliefs?
answered
Jan 17
in
Psychology
0
votes
95
views
According to the cognitive approach, why do people behave the way they do?
answered
Jan 17
in
Psychology
0
votes
72
views
When are t-tests used?
answered
Jan 16
in
Psychology
0
votes
49
views
Who proposed the 'Contact Hypothesis'?
answered
Jan 16
in
Psychology
0
votes
72
views
What is personality psychology?
answered
Jan 15
in
Psychology
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