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
Ask a Question
Hot questions
0
votes
1
answer
72
views
What is the optimum temperature and reaction time required to synthesize high molecular weight polyacrylonitrile from acrylonitrile monomer using a free radical polymerization method?
asked
Feb 22
in
Chemical synthesis
by
ChristenaGra
(
1.6k
points)
0
votes
1
answer
77
views
What is the most probable product of the gas-phase reaction between methane and chlorine initiated by ultraviolet radiation? Use Monte Carlo simulations to predict the ratio of products formed under different conditions of temperature and pressure.
asked
Feb 21
in
Computational Chemistry
by
KarolinBroth
(
1.5k
points)
0
votes
1
answer
79
views
What is the most efficient and eco-friendly method for synthesizing metal nanoparticles with a narrow size distribution and high stability, and how does the synthesis route affect the physical and chemical properties of the resulting nanoparticles?
asked
Feb 21
in
Materials Chemistry
by
MatthewStore
(
1.3k
points)
0
votes
1
answer
72
views
What is the optimum temperature and pressure conditions required for the efficient synthesis of polyvinyl chloride from vinyl chloride monomer?
asked
Feb 22
in
Chemical synthesis
by
Milagros70T7
(
1.5k
points)
0
votes
1
answer
79
views
What is the most efficient and cost-effective process for producing nitrogen gas on an industrial scale from atmospheric air using the process of pressure swing adsorption (PSA)?
asked
Feb 21
in
Chemical engineering
by
StanleySparr
(
1.3k
points)
0
votes
1
answer
76
views
What are the possible resonance structures of the nitrate ion (NO3-)? Show the correct arrangement of electrons and the placement of double bonds in each resonance structure.
asked
Feb 21
in
Chemical bonding
by
OliverOtis4
(
2.3k
points)
0
votes
1
answer
81
views
In the synthesis of alcohols, what is the most effective method for converting an alkene into an alcohol using a catalyst and why?
asked
Feb 21
in
Organic Chemistry
by
BrainRubin29
(
2.2k
points)
0
votes
1
answer
75
views
How does the monomer selection and polymerization process affect the optical properties of the resulting polymer-based optical material?
asked
Feb 21
in
Polymer Chemistry
by
ClydeC545764
(
2.2k
points)
0
votes
1
answer
77
views
What is the most efficient way of preparing 2,4,6-trinitrotoluene (TNT) from toluene and nitric acid while minimizing the production of unwanted byproducts?
asked
Feb 21
in
Chemical synthesis
by
DorisHoutz8
(
2.0k
points)
0
votes
1
answer
76
views
What is the standard enthalpy change for the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH)? Express your answer in kilojoules per mole of HCl. (Assume that the reaction is in water and under standard conditions.)
asked
Feb 21
in
Chemical thermodynamics
by
EdgardoHinch
(
2.2k
points)
0
votes
1
answer
75
views
How does the number of valence electrons affect the stability of inorganic compounds?
asked
Feb 21
in
Inorganic Chemistry
by
ClaritaTrive
(
2.4k
points)
0
votes
1
answer
81
views
What is the most effective metal catalyst for the selective oxidation of hydrocarbons to aldehydes and ketones, and how does the surface structure and composition of the metal affect the selectivity and efficiency of the reaction?
asked
Feb 21
in
Surface Chemistry
by
CWDKristeen0
(
1.7k
points)
0
votes
1
answer
81
views
What specific composition of metal alloys would be most effective in the fabrication of jet engine turbines for commercial airplanes, given the requirements of strength, durability, and operational temperature range?
asked
Feb 21
in
Materials Chemistry
by
EttaKee54894
(
2.1k
points)
0
votes
1
answer
83
views
How does the molecular weight of the polymer affect the efficiency and performance of polymer-based photovoltaic materials?
asked
Feb 21
in
Polymer Chemistry
by
NadiaN491716
(
2.1k
points)
0
votes
1
answer
83
views
How does the molecular weight of a polymer influence its rheological properties in a melt state? Provide experimental evidence to support your answer.
asked
Feb 21
in
Polymer Chemistry
by
TraceeKeith9
(
1.8k
points)
0
votes
1
answer
83
views
What is the effect of molecular weight on the rheological properties of polymer melts?
asked
Feb 21
in
Polymer Chemistry
by
MOIRoderick9
(
1.8k
points)
0
votes
1
answer
76
views
What is the net ATP yield from the complete oxidation of one molecule of glucose in glycolysis?
asked
Feb 21
in
BioChemistry
by
NicholasTwm2
(
2.0k
points)
0
votes
1
answer
77
views
What is the most efficient process for the production of 1,3-propanediol using renewable resources such as plant-based feedstocks? How does the choice of catalyst affect the yield and selectivity of the reaction?
asked
Feb 21
in
Chemical engineering
by
KatherineRei
(
1.9k
points)
0
votes
1
answer
81
views
What is the most effective catalyst to use in the process of producing adhesives using formaldehyde and urea?
asked
Feb 21
in
Chemical engineering
by
ClemmieBalfe
(
2.4k
points)
0
votes
1
answer
78
views
What is the most efficient catalyst for the synthesis of polypropylene from propylene monomer and how does its concentration affect the yield and properties of the resultant polymer?
asked
Feb 21
in
Chemical synthesis
by
ChristelIdr7
(
1.7k
points)
Page:
« prev
1
...
166
167
168
169
170
171
172
173
174
...
1000
...
next »
37.4k
questions
37.2k
answers
2
comments
17.6k
users
Categories
All categories
Science
(12.0k)
Psychology
(10.5k)
Chemistry
(14.9k)
Welcome to Sarvan Science Q&A, where you can ask questions and receive answers from other members of the community.
37.4k
questions
37.2k
answers
2
comments
17.6k
users
Hot questions
...