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 LeeAlder0448
Recent activity
All questions
All answers
Ask a Question
Questions by LeeAlder0448
0
votes
1
answer
90
views
How does the presence and distribution of active sites on solid surfaces affect the rate of catalytic reactions in heterogeneous catalysis?
asked
Feb 22
in
Surface Chemistry
0
votes
1
answer
88
views
What is the effect of the crystal structure of magnetic materials on their magnetic properties and suitability for data storage applications?
asked
Feb 19
in
Materials Chemistry
0
votes
1
answer
74
views
How to design an efficient hydrogen fuel production system using renewable resources such as solar, wind or hydroelectric power?
asked
Feb 12
in
Chemical engineering
0
votes
1
answer
69
views
How can we design a new drug for cancer treatment that targets cancer cells specifically and minimizes side effects in healthy cells?
asked
Feb 12
in
Medicinal Chemistry
0
votes
1
answer
81
views
How does decreasing the concentration of nitrogen gas in the reaction N2(g) + 3H2(g) ⇌ 2NH3(g) at a constant temperature and pressure affect the equilibrium position?
asked
Feb 12
in
Chemical equilibrium
0
votes
1
answer
207
views
How can the surface functionalization of noble metal nanoparticles be optimized to enhance their catalytic activity for a specific reaction, such as the reduction of carbon dioxide to produce fuels?
asked
Feb 11
in
Materials Chemistry
0
votes
1
answer
114
views
How can the structural modification of existing drugs used to treat metabolic disorders lead to the development of more effective and safer drug therapies?
asked
Feb 10
in
Medicinal Chemistry
0
votes
1
answer
90
views
How can molecular dynamics simulations be used to understand the mechanical and thermal properties of gold nanoparticles? What is the effect of nanoparticle size and shape on these properties?
asked
Feb 5
in
Computational Chemistry
0
votes
1
answer
74
views
How can computational studies of supramolecular chemistry be used to design more efficient drug delivery systems?
asked
Feb 5
in
Computational Chemistry
0
votes
1
answer
103
views
How can chemistry educators provide effective learning experiences to students who have limited access to laboratory equipment and facilities?
asked
Feb 4
in
Chemical education
0
votes
1
answer
73
views
Consider a chemical reaction in which X and Y combine to form XY at equilibrium: X + Y ⇌ XY The equilibrium constant for the reaction is Kc = 1.2x10^-4. Initially, [X] = 0.2 M and [Y] is unknown. If 0.1 M of Y is added to the reaction mixture, what will be the new equilibrium concentration of XY?
asked
Feb 3
in
Chemical equilibrium
0
votes
1
answer
111
views
Calculate the standard enthalpy change for the neutralization of hydrochloric acid (HCl) with sodium hydroxide (NaOH) in aqueous solution when 50.0 mL of 0.100 M HCl was used and 75.0 mL of 0.075 M NaOH was added. Assume that the specific heat capacity of the solution is 4.18 J/g·K and the density of the solution is 1.00 g/mL.
asked
Feb 3
in
Chemical thermodynamics
0
votes
1
answer
127
views
Calculate the pH of a 0.1 M solution of hydrochloric acid assuming complete dissociation. The acid dissociation constant (Ka) for HCl is 1.3 × 10^-6 at 25°C.
asked
Feb 3
in
Chemical reactions
0
votes
1
answer
142
views
What effects do changes in pH have on the activity of the enzyme catalase during the breakdown of hydrogen peroxide?
asked
Jan 31
in
BioChemistry
0
votes
1
answer
178
views
The problem can be stated as follows: A mixture of three solvents, A, B, and C, is provided. The composition of the mixture is unknown but it is suspected that solvent C is present only in small quantities. Using gas chromatography, how can you determine the relative amounts of each solvent in the mixture and confirm the presence of solvent C in the mixture?
asked
Jan 30
in
Analytical Chemistry
0
votes
1
answer
176
views
A chemistry student needs to calculate the equilibrium constant (Kc) for the reaction below at a certain temperature: N2(g) + 3H2(g) ⇌ 2NH3(g)Given the initial concentrations of N2, H2, and NH3 are 0.25 M, 0.1 M, and 0.1 M respectively, what is the value of Kc for this reaction at the given temperature?
asked
Jan 22
in
Chemical equilibrium
0
votes
1
answer
154
views
A chemistry student is given an unknown compound and is asked to identify its molecular formula using mass spectrometry. The compound has a molecular ion peak at m/z 86 and fragments at m/z 43 and 58. What is the molecular formula of the unknown compound?
asked
Jan 22
in
Analytical Chemistry
0
votes
1
answer
153
views
What is empirical support in relation to theories?
asked
Jan 20
in
Psychology
0
votes
1
answer
139
views
What is social constructionism in relation to indigenous psychology?
asked
Jan 20
in
Psychology
0
votes
1
answer
159
views
Please compare ego identity versus role confusion.
asked
Jan 17
in
Psychology
Page:
1
2
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.
...