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 Annie8242047
Wall
Recent activity
All questions
All answers
Ask a Question
Answers by Annie8242047
0
votes
20
views
What is the effect of varying concentration of reactants on the reaction rate and the sustainability of the reaction for the chemical reaction between hydrochloric acid and magnesium?
answered
3 days
ago
in
Chemical kinetics
0
votes
22
views
What is the relationship between the rate of a chemical reaction and the potential for a chemical reaction to become unstable or unsafe, and how can this knowledge be used to improve the safety of chemical reactions in an industrial setting?
answered
3 days
ago
in
Chemical kinetics
0
votes
13
views
How does the presence of a catalyst affect the rate constant of a reaction with a specific mechanism?
answered
3 days
ago
in
Chemical kinetics
0
votes
26
views
What is the balanced chemical equation for the preparation of 2,4-dichloronitrobenzene from nitrobenzene and chlorine gas, and what is the theoretical yield of the reaction if 10 g of nitrobenzene is reacted with excess chlorine gas?
answered
3 days
ago
in
Chemical synthesis
0
votes
22
views
What is the role of metal ions in the catalytic activity of the metalloenzyme carbonic anhydrase, and how do the coordination chemistry and geometry of the metal ion influence this activity?
answered
4 days
ago
in
Coordination Chemistry
0
votes
21
views
How does the liver metabolize commonly used pain relievers, such as acetaminophen or ibuprofen, and what chemical reactions are involved in this process? How do changes in liver function or genetic variations affect the metabolism of these drugs?
answered
5 days
ago
in
Medicinal Chemistry
0
votes
21
views
What is the effect of various types of ionic salts on the properties of polymer electrolytes for batteries?
answered
5 days
ago
in
Polymer Chemistry
0
votes
21
views
How does the coordination environment of metal ion in metalloenzymes affect their catalytic activity? Provide an example from the literature and discuss the implications for understanding enzyme function.
answered
6 days
ago
in
Coordination Chemistry
0
votes
28
views
How does the chemical composition of spilled oil impact the degradation rate and toxicity of the oil, and what are the potential remediation strategies to minimize the environmental impact of oil spills?
answered
Feb 18
in
Environmental Chemistry
0
votes
29
views
How can we predict the catalytic activity and selectivity of a given catalyst using quantum chemistry? Please provide examples of catalysts and their predicted performance based on quantum chemistry calculations.
answered
Feb 14
in
Quantum Chemistry
0
votes
28
views
Which photosensitive materials have the highest quantum yields for photochemical processes important in photography, and how do these yields impact the efficiency and quality of photographic images produced?
answered
Feb 14
in
PhotoChemistry
0
votes
49
views
What is the role of chlorophyll pigments in the process of photosynthesis and how does it contribute to carbon fixation?
answered
Feb 12
in
BioChemistry
0
votes
40
views
How can Fourier-transform infrared spectroscopy (FTIR) be used to characterize the chemical structure of polymers? Provide an example of a specific polymer and discuss the relevant spectral features that would be observed in an FTIR spectrum.
answered
Feb 6
in
Polymer Chemistry
0
votes
8
views
What is the most environmentally-friendly and economically viable renewable energy source currently available, considering its impact on the global carbon footprint, local air and water pollution, land use, and potential for scalability? Compare and contrast the advantages and disadvantages of wind, solar, hydropower, and geothermal sources in your analysis.
answered
Jan 31
in
Environmental Chemistry
0
votes
87
views
What functional group(s) are present in an unknown compound that has an absorption peak at 1720 cm⁻¹ in its infrared spectrum? How do you interpret this peak to identify the specific type(s) of functional group(s) present in the compound?
answered
Jan 30
in
Analytical Chemistry
0
votes
53
views
How can we determine the element composition of a rock sample using X-ray diffraction analysis?
answered
Jan 29
in
Analytical Chemistry
0
votes
56
views
Calculate the heat required to sublime 34.5 g of dry ice (solid CO2) at a constant temperature and pressure, given that the heat of sublimation of CO2 is 25.2 kJ/mol.
answered
Jan 23
in
ThermoChemistry
0
votes
91
views
A student needs to prepare a solution containing 50 g of ethanol (C2H5OH) dissolved in 250 g of water (H2O) at 25°C. Assuming the heat of mixing for ethanol and water is -5.02 kJ/mol, calculate the heat released or absorbed when the two substances are mixed. Express your answer in kJ.
answered
Jan 22
in
ThermoChemistry
0
votes
50
views
Why is it important to use appropriate statistical methods in psychology?
answered
Jan 20
in
Psychology
0
votes
38
views
What is the main criticism of the psychoanalytic approach?
answered
Jan 20
in
Psychology
Page:
1
2
3
next »
35.7k
questions
35.6k
answers
2
comments
7.0k
users
Categories
All categories
Science
(12.0k)
Psychology
(10.5k)
Chemistry
(13.2k)
Welcome to Sarvan Science Q&A, where you can ask questions and receive answers from other members of the community.
...