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 VictorR1855
Wall
Recent activity
All questions
All answers
Ask a Question
Answers by VictorR1855
0
votes
28
views
How do the production and usage of solar energy impact the environment in terms of greenhouse gas emissions and waste generation, and what are the methods that can be employed to mitigate these negative effects?
answered
Feb 22
in
Environmental Chemistry
0
votes
70
views
How does the concentration of heavy metals in soil affect the growth and development of plants, and what are some effective methods for reducing the level of heavy metal toxicity in contaminated soil?
answered
Feb 13
in
Environmental Chemistry
0
votes
29
views
How do chemical signals affect the behavior of cells in a signal transduction pathway and what role do enzymes play in this process?
answered
Feb 12
in
BioChemistry
0
votes
78
views
How can the surface properties of a biopolymer scaffold be modified to improve cell adhesion and proliferation, and overall biocompatibility for tissue engineering applications?
answered
Feb 11
in
Surface Chemistry
0
votes
37
views
How can the practical applications of chemistry be better emphasized and integrated into the chemistry curriculum to enhance student learning and understanding of the subject?
answered
Feb 10
in
Chemical education
0
votes
43
views
How can the magnetic properties of different materials be analyzed and compared to determine their suitability for use in data storage applications?
answered
Feb 7
in
Materials Chemistry
0
votes
32
views
How can molecular docking studies be used to discover new drugs for a specific target protein, and what factors need to be considered in order to ensure drug efficacy and specificity?
answered
Feb 5
in
Computational Chemistry
0
votes
34
views
How can chemistry students overcome the limited availability of chemistry-related internships and job opportunities to gain more practical experience in the field?
answered
Feb 5
in
Chemical education
0
votes
37
views
How can chemistry students effectively perform experiments and learn practical skills when they have limited access to laboratory equipment and facilities?
answered
Feb 4
in
Chemical education
0
votes
105
views
Calculate the overpotential of a lead electrode in contact with a solution containing [Pb2+] = 0.001 M when the temperature is 298 K. Given that the standard potential of the Pb2+ / Pb electrode is -0.13 V and the exchange current density is 0.015 A/m2.
answered
Feb 3
in
ElectroChemistry
0
votes
70
views
Calculate the enthalpy of ionization of magnesium if 50 mL of 0.1 M HCl solution is added to 1 g of magnesium powder at 25°C, and the change in temperature is -10°C. The specific heat capacity of the solution is 4.18 J•g-1•K-1.
answered
Jan 23
in
ThermoChemistry
0
votes
86
views
A student needs to calculate the activation energy for a reaction that takes place at an electrode with a current density of 2.5 mA/cm² at a temperature of 25°C. The reaction has a transfer coefficient of 0.5 and a standard rate constant of 2.0 × 10⁻⁶ cm/s. The student has access to the necessary thermodynamic data for the reaction. What is the activation energy for this electrochemical reaction?
answered
Jan 22
in
ElectroChemistry
0
votes
86
views
A 15.0 g sample of a mixture containing sodium chloride and sodium nitrate is dissolved in water, and then silver nitrate is added until no more precipitation occurs. The mass of the precipitate is found to be 20.4 g. What is the mass percentage of each component in the mixture?
answered
Jan 22
in
Analytical Chemistry
0
votes
30
views
Please evaluate the use of animal subjects in research.
answered
Jan 20
in
Psychology
0
votes
33
views
Why is addiction considered a chronic disease?
answered
Jan 20
in
Psychology
0
votes
93
views
According to situated learning theory, how is knowledge acquired?
answered
Jan 16
in
Psychology
0
votes
38
views
What is the difference between a theoretical and practical contribution in qualitative research?
answered
Jan 16
in
Psychology
0
votes
13
views
What is the primary hormone involved in the onset of puberty?
answered
Jan 15
in
Psychology
0
votes
73
views
According to the self-categorisation theory, what is depersonalisation?
answered
Jan 15
in
Psychology
0
votes
34
views
What is the main argument of the life span perspective?
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.
...