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 Francisca504
Wall
Recent activity
All questions
All answers
Ask a Question
Questions by Francisca504
0
votes
1
answer
23
views
What is the relationship between light intensity and the rate of photochemical reactions in the process of photosynthesis of a specific plant species, and how does this impact the efficiency of photosynthesis?
asked
1 day
ago
in
PhotoChemistry
0
votes
1
answer
26
views
How does changing the reaction stoichiometry (mole ratio of reactants) affect the reaction rate of the chemical reaction between magnesium and hydrochloric acid in aqueous solution?
asked
3 days
ago
in
Chemical kinetics
0
votes
1
answer
22
views
How does the rate of reaction affect the profitability of a chemical reaction in the production of a particular product? What is the optimum reaction rate that can maximize the profitability of the production process?
asked
3 days
ago
in
Chemical kinetics
0
votes
1
answer
13
views
What is the oxidation product of an aldehyde and a ketone, and how can it be identified using a specific chemical test?
asked
3 days
ago
in
Organic Chemistry
0
votes
1
answer
26
views
What will be the effect on the formation constant (Kf) of the complex ion FeSCN2+ if the concentration of SCN- is reduced by 50% keeping the concentration of Fe3+ constant? Calculate the new value of Kf if the original value of Kf is 2.0 × 10^5.
asked
5 days
ago
in
Chemical equilibrium
0
votes
1
answer
21
views
What is the mechanism for the dehydration of 2-methyl-2-butanol using concentrated sulfuric acid, and what is the major product formed in the reaction?
asked
5 days
ago
in
Organic Chemistry
0
votes
1
answer
27
views
What is the bond order of the nitrogen molecule (N2) based on its molecular orbital diagram?
asked
Feb 18
in
Chemical bonding
0
votes
1
answer
19
views
How does the adsorption energy of CO on metal surfaces vary with surface composition, and how can this information be utilized to optimize catalysts for CO conversion reactions using Density Functional Theory calculations?
asked
Feb 17
in
Computational Chemistry
0
votes
1
answer
34
views
What methods can be used to predict the electronic and magnetic properties of molecular magnets and how accurate are these predictions compared to experimental results?
asked
Feb 14
in
Quantum Chemistry
0
votes
1
answer
35
views
Identify the geometry and polarity of the iodine trifluoride (IF3) molecule.
asked
Feb 13
in
Inorganic Chemistry
0
votes
1
answer
30
views
What is the hybridization of the central atom in the inorganic compound SF6?
asked
Feb 13
in
Inorganic Chemistry
0
votes
1
answer
8
views
How can the yield of a pharmaceutical drug production process be improved to increase the overall efficiency and reduce the cost of production?
asked
Feb 13
in
Chemical engineering
0
votes
1
answer
25
views
How do different polymer chemistries affect the adhesive strength and surface properties of adhesives used in automotive applications?
asked
Feb 12
in
Polymer Chemistry
0
votes
1
answer
47
views
How can the quantum theory be used to predict the electronic and magnetic properties of transition metal complexes with different ligands?
asked
Feb 10
in
Quantum Chemistry
0
votes
1
answer
38
views
How can the manufacturing process of polyethylene be optimized to improve the mechanical properties of the polymer?
asked
Feb 7
in
Polymer Chemistry
0
votes
1
answer
10
views
How can liquid crystals be designed and synthesized to optimize their optical and electro-optical properties for use in high-resolution display technology?
asked
Feb 5
in
Materials Chemistry
0
votes
1
answer
41
views
Calculate the standard enthalpy change of reduction for the reaction: Fe2O3(s) + 3H2(g) -> 2Fe(s) + 3H2O(l) Given: Standard enthalpy of formation (ΔHf°) of Fe2O3(s) = -822 kJ/mol Standard enthalpy of formation (ΔHf°) of H2O(l) = -286 kJ/mol Standard enthalpy of fusion (ΔHfus) of Fe(s) = 13.81 kJ/mol Standard enthalpy of vaporization (ΔHvap) of H2(g) = 0.449 kJ/mol Standard enthalpy of formation (ΔHf°) of H2(g) = 0 kJ/mol
asked
Feb 3
in
ThermoChemistry
0
votes
1
answer
55
views
Calculate the standard enthalpy and entropy change for the reaction that occurs when 1 mole of Fe2O3 is formed from its elements in their standard state, using the following given data:Fe(s) + 1.5 O2(g) → Fe2O3(s) ΔH°f = -824.2 kJ/mol ΔS° = 87.4 J/mol·K
asked
Feb 3
in
Inorganic Chemistry
0
votes
1
answer
92
views
How does an increase in pH affect the equilibrium position of the reaction between acetic acid and acetate ions? Provide a detailed explanation using Le Chatelier's principle.
asked
Jan 31
in
Chemical equilibrium
0
votes
1
answer
59
views
Calculate the heat of mixing when 50g of ethanol (C2H5OH) is added to 200g of water initially at 25°C. Assume the density of water is 1g/mL and the specific heat capacity of water is 4.184J/(g°C). The enthalpy of vaporization of ethanol is 38.56kJ/mol and assume that ethanol-water mixture has a specific heat capacity of 4.2J/(g°C).
asked
Jan 23
in
ThermoChemistry
Page:
1
2
3
next »
35.6k
questions
35.5k
answers
2
comments
7.0k
users
Categories
All categories
Science
(12.0k)
Psychology
(10.5k)
Chemistry
(13.1k)
Welcome to Sarvan Science Q&A, where you can ask questions and receive answers from other members of the community.
...