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 SylviaPettey
Wall
Recent activity
All questions
All answers
Ask a Question
Answers by SylviaPettey
0
votes
16
views
How does the quantity and type of protein affect the adsorption behavior on a solid surface?
answered
Feb 22
in
Surface Chemistry
0
votes
29
views
What is the optimal temperature and pressure conditions for the synthesis of polyethylene oxide with a desired molecular weight using ethylene oxide monomer as the raw material?
answered
Feb 21
in
Chemical synthesis
0
votes
31
views
How does the energy of light affect the rate of a photochemical reaction, and what is the role of excited states in this process? Provide specific examples of photochemical reactions and their significance in industry or daily life.
answered
Feb 20
in
Physical Chemistry
0
votes
35
views
What is the effect of temperature on the reaction rate and reaction yield of a chemical reaction between reactant A and reactant B? Design an experiment to investigate this relationship and provide a detailed analysis of the data obtained.
answered
Feb 20
in
Chemical kinetics
0
votes
40
views
What is the chemical mechanism of step-growth polymerization, and how does it differ from chain-growth polymerization in terms of molecular weight distribution and reaction rate?
answered
Feb 14
in
Organic Chemistry
0
votes
35
views
How can we design drugs that effectively target a specific type of bacteria without harming the beneficial bacteria in the body?
answered
Feb 12
in
Medicinal Chemistry
0
votes
44
views
How can the efficiency of the production process for detergents be optimized while minimizing environmental impact?
answered
Feb 7
in
Chemical engineering
0
votes
39
views
How can medicinal chemists utilize structure-activity relationship (SAR) studies to design new small molecule drugs that selectively target specific immune cells involved in autoimmune diseases, while minimizing off-target effects and toxicity?
answered
Feb 5
in
Medicinal Chemistry
0
votes
42
views
How can chemistry students effectively learn laboratory techniques and procedures with limited access to laboratory equipment and facilities?
answered
Feb 4
in
Chemical education
0
votes
36
views
How can a chemistry student prepare phenylalanine from benzyl chloride and ammonia? What is the step-by-step process involved in the synthesis and what are the necessary reagents and conditions required for the reaction to take place? How can the purity of the obtained phenylalanine be determined and what are the potential sources of error in the experiment?
answered
Feb 4
in
Chemical synthesis
0
votes
107
views
How does the DNA repair pathway known as base excision repair (BER) work on a molecular level and what are the key enzymes involved in this process?
answered
Jan 31
in
BioChemistry
0
votes
51
views
Calculate the mole fraction of each component and the total pressure of a gas mixture at 25°C and 2 atm that contains 0.5 moles of methane (CH4) and 0.2 moles of ethane (C2H6).
answered
Jan 28
in
Chemistry
0
votes
65
views
Calculate the enthalpy change for the oxidation of 1 mole of methane gas to form carbon dioxide and water vapor, given the following balanced chemical equation: CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)(enthalpy of formation: ΔHf(CH4)=-74.81 kJ/mol, ΔHf(CO2)=-393.51 kJ/mol, ΔHf(H2O)= -241.83 kJ/mol)
answered
Jan 23
in
ThermoChemistry
0
votes
65
views
How do societal expectations impact sexual relationships?
answered
Jan 20
in
Psychology
0
votes
77
views
Why is Piaget's theory of cognitive development important to psychology?
answered
Jan 20
in
Psychology
0
votes
83
views
Who introduced the concept of the confirmation bias?
answered
Jan 20
in
Psychology
0
votes
47
views
Who developed the achievement motivation theory?
answered
Jan 17
in
Psychology
0
votes
37
views
When evaluating a theory in existential psychology, what is the importance of considering the scope of the theory?
answered
Jan 16
in
Psychology
0
votes
71
views
Who proposed the representativeness heuristic?
answered
Jan 16
in
Psychology
0
votes
48
views
Please list some strengths of TMS studies.
answered
Jan 15
in
Psychology
Page:
1
2
next »
37.4k
questions
37.2k
answers
2
comments
14.6k
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.
...