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 CharmainHers
Wall
Recent activity
All questions
All answers
Ask a Question
Questions by CharmainHers
0
votes
1
answer
22
views
What is the rate determining step in the mechanism of the reaction between hydrogen and chlorine gas to form hydrogen chloride, and how does the rate constant vary with changes in temperature and pressure?
asked
3 days
ago
in
Quantum Chemistry
0
votes
1
answer
25
views
How does the rate of the chemical reaction between hydrochloric acid and sodium thiosulphate change with temperature, and what specific temperature range yields the fastest reaction rate?
asked
3 days
ago
in
Chemical kinetics
0
votes
1
answer
18
views
How does the presence of a catalyst affect the rate of a specific heterogeneous catalytic reaction, and how do the properties of the catalyst material influence its efficacy?
asked
3 days
ago
in
Surface Chemistry
0
votes
1
answer
23
views
What are the precise conditions required to prepare 2,4,6-trinitrotoluene from toluene and nitric acid? What is the yield of the reaction, and how can it be optimized?
asked
3 days
ago
in
Chemical synthesis
0
votes
1
answer
7
views
How does the molecular structure of a surfactant influence its surface tension reducing properties?
asked
4 days
ago
in
Surface Chemistry
0
votes
1
answer
21
views
What is the Lewis structure of sulfur dioxide (SO2)?
asked
5 days
ago
in
Chemical bonding
0
votes
1
answer
22
views
How does the length of a carbon nanotube affect its electronic transport properties, as calculated using density functional theory?
asked
5 days
ago
in
Computational Chemistry
0
votes
1
answer
23
views
How can we optimize the process conditions (temperature, pressure, and time) to increase the yield of ammonia in the Haber process used for fertilizer production?
asked
5 days
ago
in
Chemical engineering
0
votes
1
answer
30
views
How does the coordination chemistry of metalloenzymes and metalloproteins differ from that of inorganic complexes, and how does it influence their function in biological systems?
asked
6 days
ago
in
Coordination Chemistry
0
votes
1
answer
24
views
What is the boiling point of aluminum fluoride (AlF3) if the atmospheric pressure is 760 mm Hg?
asked
Feb 17
in
Inorganic Chemistry
0
votes
1
answer
26
views
How can we synthesize a biodegradable polymer using renewable resources as starting materials, and what specific conditions and catalysts should be used in the reaction to achieve the desired properties of the polymer?
asked
Feb 14
in
Polymer Chemistry
0
votes
1
answer
54
views
How can the quantum transport properties of molecular and nanoscale systems be analyzed using computational models and simulations based on principles of quantum mechanics?
asked
Feb 10
in
Quantum Chemistry
0
votes
1
answer
65
views
How can the production process for fragrances be optimized to improve efficiency and reduce the potential for environmental harm? Specifically, what modifications can be made to the reaction conditions or equipment used in fragrance production to maximize yield and reduce waste?
asked
Feb 10
in
Chemical engineering
0
votes
1
answer
79
views
What is the exact percentage composition of a mixture containing benzene, toluene and xylene using gas chromatography analysis?
asked
Jan 31
in
Analytical Chemistry
0
votes
1
answer
78
views
What is the dipole moment of a water molecule, as calculated using ab initio methods, and how does it compare to the experimentally measured value?
asked
Jan 30
in
Computational Chemistry
0
votes
1
answer
92
views
A student conducted an experiment to produce copper sulfate using a known amount of copper oxide and sulfuric acid. The expected yield was 30 grams of copper sulfate, but the student obtained only 25 grams. What is the percent yield of the reaction?
asked
Jan 22
in
Chemical reactions
0
votes
1
answer
87
views
A sample of a white powder was analyzed in the laboratory and found to be composed of 40% carbon, 6.67% hydrogen, and 53.33% oxygen by mass. Determine the empirical formula of the compound.
asked
Jan 22
in
Inorganic Chemistry
0
votes
1
answer
31
views
Where does the concept of 'existential emptiness' come from?
asked
Jan 20
in
Psychology
0
votes
1
answer
36
views
According to the interpersonal-psychological theory of suicidal behaviour, what are the key factors that predict suicide risk?
asked
Jan 20
in
Psychology
0
votes
1
answer
11
views
What is the difference between informational social influence and normative social influence?
asked
Jan 17
in
Psychology
Page:
1
2
3
next »
35.9k
questions
35.7k
answers
2
comments
7.0k
users
Categories
All categories
Science
(12.0k)
Psychology
(10.5k)
Chemistry
(13.4k)
Welcome to Sarvan Science Q&A, where you can ask questions and receive answers from other members of the community.
...