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How does the presence of a catalyst affect the reaction mechanism of the Diels-Alder reaction between cyclopentadiene and maleic anhydride, as revealed by quantum chemical calculations?
asked
3 days
ago
in
Computational Chemistry
0
votes
1
answer
34
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What is the effect of the concentration of photosensitizers on the rate of a photochemical reaction?
asked
6 days
ago
in
PhotoChemistry
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votes
1
answer
24
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How does the chemical structure of a drug affect its absorption, distribution, metabolism, and excretion in the human body?
asked
Feb 18
in
Medicinal Chemistry
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votes
1
answer
7
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How does the surface morphology of a substrate affect the SERS signal intensity of a specific analyte?
asked
Feb 17
in
Surface Chemistry
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votes
1
answer
9
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How can the knowledge of drug metabolism pathways be applied to design more effective and safe drugs for specific diseases?
asked
Feb 7
in
Medicinal Chemistry
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1
answer
32
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How can students in schools with limited availability of chemistry-related extracurricular activities still gain practical experience in the field?
asked
Feb 5
in
Chemical education
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1
answer
68
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Design a treatment system for the removal of heavy metals from industrial wastewater using an ion exchange process for a chemical manufacturing plant operating in the city with strict regulations regarding the disposal of wastewater.
asked
Feb 4
in
Chemical engineering
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1
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41
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Calculate the standard enthalpy change for the precipitation reaction: AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq)given that the standard enthalpy of formation for AgCl(s) is -127.0 kJ/mol, and for NaNO3(aq) is -467.14 kJ/mol. The molar enthalpy of solution of NaCl and AgNO3 are -3.9 kJ/mol and -19.9 kJ/mol respectively.
asked
Feb 3
in
Chemical thermodynamics
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votes
1
answer
89
views
What is the predicted bond angle in a water molecule based on its molecular geometry and electron pair geometry, and how does it differ from the ideal bond angle?
asked
Jan 30
in
Chemical bonding
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1
answer
80
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What functional groups are present in compound X, and what are their respective absorption frequencies in infrared spectroscopy? How can this information be used to determine the identity of compound X?
asked
Jan 30
in
Analytical Chemistry
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1
answer
55
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A student wants to determine the rate constant of a first-order reaction. The initial concentration of reactant is 0.050 M and after 60 seconds, the concentration drops to 0.025 M. What is the rate constant of the reaction?
asked
Jan 22
in
Chemical kinetics
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1
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62
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A chemistry student is given a piece of copper and asked to react it with dilute hydrochloric acid. Will the reaction occur and if so, what product (if any) will be produced? Use your knowledge of single replacement reactions to explain your answer.
asked
Jan 22
in
Chemical reactions
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1
answer
26
views
Who conducted the study on mirror exposure therapy?
asked
Jan 20
in
Psychology
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votes
1
answer
39
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Why did Bandura propose the concept of self-efficacy?
asked
Jan 17
in
Psychology
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1
answer
10
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Where might a cross-cultural psychologist look for the cause of acculturation stress?
asked
Jan 17
in
Psychology
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1
answer
25
views
What is blinding?
asked
Jan 16
in
Psychology
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1
answer
48
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What is the difference between subjective and chronological ageing?
asked
Jan 16
in
Psychology
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votes
1
answer
9
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What is the importance of reflexivity in qualitative research?
asked
Jan 16
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Psychology
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1
answer
40
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What does the social identity theory propose?
asked
Jan 15
in
Psychology
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votes
1
answer
35
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How does the temperament theory explain personality?
asked
Jan 15
in
Psychology
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