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 Osvaldo14767
Wall
Recent activity
All questions
All answers
Ask a Question
Answers by Osvaldo14767
0
votes
28
views
What is the quantum yield of a photochemical reaction in which 50% of the absorbed photons lead to the formation of the product? How does it differ from the quantum efficiency of the reaction and how can it be experimentally determined?
answered
Feb 22
in
Physical Chemistry
0
votes
27
views
How does the presence of an ether or epoxide functional group affect the reactivity of a molecule in a nucleophilic substitution reaction? Provide a detailed explanation and example based on your understanding of the reaction mechanism.
answered
Feb 22
in
Organic Chemistry
0
votes
38
views
How can the yield of a chemical reaction be optimized by manipulating the reaction conditions and parameters such as temperature, pressure, reactant concentrations, and catalysts for the synthesis of ethyl acetate via Fischer esterification reaction?
answered
Feb 20
in
Chemical engineering
0
votes
35
views
How does the process of RNA transcription and translation differ in eukaryotic and prokaryotic cells?
answered
Feb 14
in
BioChemistry
0
votes
63
views
What is the effect of chirality on the photochemical properties of molecules and how does it impact the formation of enantiomers? Provide a detailed explanation with relevant examples.
answered
Feb 12
in
PhotoChemistry
0
votes
136
views
How can the synthesis method of quantum dots be modified to improve their quantum yield and decrease their toxicity for potential applications in biomedicine?
answered
Feb 11
in
Materials Chemistry
0
votes
67
views
Calculate the standard enthalpy change for the vaporization of 25.0 grams of water at 100°C, given that the molar enthalpy of vaporization of water is 40.7 kJ/mol.
answered
Feb 3
in
Chemical thermodynamics
0
votes
134
views
Identify the type of isomerism present in the following pair of compounds: CH3CH2CH2OH and CH3CH2OCH3
answered
Jan 21
in
Organic Chemistry
0
votes
53
views
According to self-determination theory, why do individuals pursue certain activities?
answered
Jan 20
in
Psychology
0
votes
46
views
When do personality traits start to become stable?
answered
Jan 20
in
Psychology
0
votes
72
views
Who proposed the sociocultural model of eating disorders?
answered
Jan 20
in
Psychology
0
votes
90
views
Who proposed the stress-diathesis model of pain?
answered
Jan 16
in
Psychology
0
votes
89
views
According to Lev Vygotsky, how does cognitive development occur in children?
answered
Jan 15
in
Psychology
0
votes
44
views
Who developed the Social Identity Theory?
answered
Jan 15
in
Psychology
0
votes
35
views
What ethical concerns arise from using AI in psychology?
answered
Jan 15
in
Psychology
0
votes
59
views
What is a key feature of feminist research in psychology?
answered
Jan 15
in
Psychology
0
votes
86
views
What is the role of social support in end-of-life care?
answered
Jan 14
in
Psychology
0
votes
47
views
What would you need to see most cells?
answered
Jan 8
in
Science
0
votes
50
views
What type of isotopes have short half-lives and are given in very low doses?
answered
Jan 8
in
Science
0
votes
65
views
What transmits nerve impulses to other cells?
answered
Jan 8
in
Science
Page:
1
2
next »
37.4k
questions
37.2k
answers
2
comments
14.7k
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.
...