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 PalmaYuille
Recent activity
All questions
All answers
Ask a Question
Questions by PalmaYuille
0
votes
1
answer
69
views
How does the reaction mechanism of a chemical reaction affect the rate of the reaction? Provide specific examples of reactions with different mechanisms and explain how they affect the rate of the reaction.
asked
Feb 22
in
Chemical kinetics
0
votes
1
answer
82
views
What are the different possible resonance structures of the nitrate ion (NO3-) and how do they contribute to the overall structure and properties of the molecule?
asked
Feb 21
in
Chemical bonding
0
votes
1
answer
80
views
How does the lipid composition of a cell membrane affect its function in regulating the transport of molecules across the membrane?
asked
Feb 20
in
BioChemistry
0
votes
1
answer
81
views
What is the effect of different additives and processing techniques on the environmental impact of polymer-based packaging materials?
asked
Feb 20
in
Polymer Chemistry
0
votes
1
answer
77
views
How does the surface modification of polymers affect their adhesive properties?
asked
Feb 17
in
Surface Chemistry
0
votes
1
answer
117
views
How does the coordination chemistry of metalloproteins influence their function in biological systems? Provide specific examples of metalloproteins and the roles they play in cellular processes.
asked
Feb 12
in
Coordination Chemistry
0
votes
1
answer
165
views
How can the purity level of a chemical be increased from 80% to 99% through the development of a purification process in chemical engineering?
asked
Feb 10
in
Chemical engineering
0
votes
1
answer
91
views
How can Dynamic Mechanical Analysis (DMA) be used to determine the glass transition temperature of a polymer? Provide a step-by-step explanation of the DMA technique and its application to polymer characterization.
asked
Feb 6
in
Polymer Chemistry
0
votes
1
answer
88
views
How can modifications to an existing molecule increase its efficacy and reduce its toxicity in the development of new treatments for autoimmune diseases?
asked
Feb 5
in
Medicinal Chemistry
0
votes
1
answer
150
views
Does the rate of a photochemical reaction increase linearly with the increase in light intensity, or is there a maximum intensity beyond which no further increase in the rate is observed? Provide experimental evidence to support your answer.
asked
Feb 4
in
PhotoChemistry
0
votes
1
answer
138
views
How does changing the concentration of reactants in a reaction mechanism impact the rate of the overall reaction?
asked
Feb 3
in
Chemical kinetics
0
votes
1
answer
73
views
How can the presence of chloride ions in a sample be identified using ion-selective electrodes and what is the concentration of chloride ions in the sample?
asked
Jan 29
in
Analytical Chemistry
0
votes
1
answer
81
views
Calculate the enthalpy of vaporization for propane given its heat of fusion is 0.513 kJ/mol and heat of vaporization is 15.90 kJ/mol. The molar mass of propane is 44.10 g/mol.
asked
Jan 23
in
ThermoChemistry
0
votes
0
answers
138
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.
asked
Jan 22
in
ThermoChemistry
0
votes
1
answer
134
views
What is the pH of a solution containing 0.1 M HCl and 0.05 M NaOH?
asked
Jan 21
in
Inorganic Chemistry
0
votes
1
answer
82
views
Consider the following equation: Fe + HCl --> FeCl3 + H2. If you have 10 grams of Fe and an excess of HCl, what mass of H2 will be produced?
asked
Jan 21
in
Inorganic Chemistry
0
votes
1
answer
110
views
When did the DSM-IV-TR introduce the Global Assessment of Functioning GAF scale?
asked
Jan 20
in
Psychology
0
votes
1
answer
143
views
According to the ecological systems theory, what are the levels of influence on human development?
asked
Jan 20
in
Psychology
0
votes
1
answer
62
views
How did Richard Davidson's research on meditation inform us about consciousness?
asked
Jan 17
in
Psychology
0
votes
1
answer
103
views
How does the social influence theory explain obedience?
asked
Jan 15
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.
...