Login
Remember
Register
Science Q&A Sarvan.Net
All Activity
Q&A
Questions
Hot!
Unanswered
Tags
Categories
Users
Ask a Question
About Us
XML Sitemap
Terms of Service
User MarianneBarc
Wall
Recent activity
All questions
All answers
Ask a Question
Answers by MarianneBarc
0
votes
21
views
How does the quantum confinement effect on the electronic and optical properties of CdSe/ZnS core-shell quantum dots of different sizes?
answered
3 days
ago
in
Quantum Chemistry
0
votes
25
views
How does the addition of a solvent affect the folding of a particular protein, and what parameters can be modified to optimize the folding process in molecular dynamics simulations?
answered
Feb 17
in
Computational Chemistry
0
votes
28
views
How can we optimize the drug delivery system of a specific medication to improve its bioavailability and minimize toxicity in the body?
answered
Feb 14
in
Medicinal Chemistry
0
votes
30
views
What is the effect of doping a graphene sheet with boron and nitrogen atoms using DFT calculations on its electronic properties, specifically on its band gap?
answered
Feb 12
in
Computational Chemistry
0
votes
30
views
How can the mechanical properties of polyethylene be improved through the modification of its processing conditions during extrusion?
answered
Feb 10
in
Polymer Chemistry
0
votes
45
views
Calculate the standard Gibbs free energy change ($\Delta G^{\circ}$) for the following reaction at 298 K:2Fe(s) + 3/2O2(g) → Fe2O3(s) Given: Standard enthalpy of formation of Fe2O3(s) = -822.2 kJ/molStandard enthalpy of formation of Fe(s) = 0 kJ/molStandard entropy change for the reaction = +87.4 J/mol K
answered
Feb 3
in
Chemical thermodynamics
0
votes
54
views
Calculate the standard enthalpy change for the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH) to form sodium chloride (NaCl) and water (H2O) when 50.0 mL of 1.0 M HCl reacts with 50.0 mL of 1.0 M NaOH at 25°C.
answered
Feb 3
in
Chemical thermodynamics
0
votes
78
views
What is the percentage of nitrogen, carbon, and hydrogen in a sample of caffeine obtained from coffee beans? Use elemental analysis to determine the composition of the sample.
answered
Jan 31
in
Analytical Chemistry
0
votes
59
views
What is the chemical structure of a compound that gives a specific peak at 7.2 ppm in a Carbon-13 Nuclear Magnetic Resonance (NMR) spectrum?
answered
Jan 31
in
Physical Chemistry
0
votes
25
views
How do stereotypes impact the treatment of individuals within groups?
answered
Jan 20
in
Psychology
0
votes
72
views
Please compare correlation and causation.
answered
Jan 17
in
Psychology
0
votes
25
views
What is a PAR project?
answered
Jan 17
in
Psychology
0
votes
35
views
What is the impact of involvement on dissonance?
answered
Jan 16
in
Psychology
0
votes
60
views
Where does psychodynamic theory draw its rationale from?
answered
Jan 16
in
Psychology
0
votes
56
views
According to the cognitive-behavioural model, what is the role of behavioural experiments in treating anxiety disorders?
answered
Jan 15
in
Psychology
0
votes
61
views
What is a common fear associated with OCD?
answered
Jan 15
in
Psychology
0
votes
19
views
What is a mental representation?
answered
Jan 15
in
Psychology
0
votes
42
views
What is a beta level?
answered
Jan 14
in
Psychology
0
votes
40
views
What is the difference between longitudinal and cross-sectional studies?
answered
Jan 14
in
Psychology
0
votes
64
views
What is the difference between the experimental and correlational research methods?
answered
Jan 13
in
Psychology
Page:
1
2
next »
35.7k
questions
35.6k
answers
2
comments
7.0k
users
Categories
All categories
Science
(12.0k)
Psychology
(10.5k)
Chemistry
(13.3k)
Welcome to Sarvan Science Q&A, where you can ask questions and receive answers from other members of the community.
...