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
Ask a Question
Hot questions
0
votes
1
answer
93
views
What is the specific surface area of a sample of activated carbon if it adsorbs 0.45 g of nitrogen gas at 77 K and a pressure of 1 atm, assuming a monolayer of adsorbate and that the nitrogen gas occupies a volume of 22.4 L/mol?
asked
Mar 1
in
Surface Chemistry
by
TheScientist
(
138k
points)
0
votes
1
answer
90
views
What is the phase diagram of a binary mixture composed of X and Y at constant temperature and varying pressure? Specifically, determine the critical points and plot the equilibrium curves for solid-liquid and liquid-vapor phases.
asked
Mar 1
in
Physical Chemistry
by
TheScientist
(
138k
points)
0
votes
1
answer
89
views
How can we design a system for the production of lubricants that meets the required specifications while minimizing environmental impact?
asked
Mar 1
in
Chemical engineering
by
TheScientist
(
138k
points)
0
votes
1
answer
90
views
What is the molecular orbital diagram and electronic configuration for the H2 molecule using the LCAO-MO (Linear Combination of Atomic Orbitals-Molecular Orbital) method?
asked
Mar 1
in
Quantum Chemistry
by
TheScientist
(
138k
points)
0
votes
1
answer
89
views
How can we design a system for producing surfactants with a desired level of purity, while maximizing efficiency and minimizing waste?
asked
Mar 1
in
Chemical engineering
by
TheScientist
(
138k
points)
0
votes
1
answer
94
views
What is the maximum work that can be obtained in a non-equilibrium process with a system at a given temperature and pressure, if the entropy change of the system is known? Calculate the answer assuming ideal gas behavior.
asked
Mar 1
in
Physical Chemistry
by
TheScientist
(
138k
points)
0
votes
1
answer
89
views
How can we design a practical experiment to demonstrate the real-life applications of acid-base titration in chemical industries?
asked
Mar 1
in
Chemical education
by
TheScientist
(
138k
points)
0
votes
1
answer
95
views
What is the Gibbs free energy change at 298 K for the reaction 2Fe2+(aq) + Cl2(g) --> 2Fe3+(aq) + 2Cl-(aq) if the standard electrode potentials for the half-reactions are E°(Fe3+(aq) + e- --> Fe2+(aq)) = -0.77 V and E°(Cl2(g) + 2e- --> 2Cl-(aq)) = 1.36 V?
asked
Mar 1
in
ElectroChemistry
by
TheScientist
(
138k
points)
0
votes
1
answer
89
views
How can we design a drug that targets only gram-negative bacteria, while not affecting gram-positive bacteria, using knowledge of the different structures and properties of these two types of bacteria?
asked
Mar 1
in
Medicinal Chemistry
by
TheScientist
(
138k
points)
0
votes
1
answer
90
views
What is the yield of 2,4-dichloronitrobenzene obtained from the reaction between nitrobenzene and chlorine gas when starting with 10 grams of nitrobenzene and excess chlorine gas, given that the reaction has a theoretical yield of 95%?
asked
Mar 1
in
Chemical synthesis
by
TheScientist
(
138k
points)
0
votes
1
answer
89
views
How can we design a drug that specifically targets and inhibits the enzyme responsible for producing cholesterol, while not affecting other cellular enzymes that are essential for maintaining normal cellular functions?
asked
Mar 1
in
Medicinal Chemistry
by
TheScientist
(
138k
points)
0
votes
1
answer
94
views
What is the heat required to sublime 30 grams of dry ice (CO2) at a constant pressure of 1 atm? The heat of sublimation of CO2 is 25.2 kJ/mol.
asked
Mar 1
in
ThermoChemistry
by
TheScientist
(
138k
points)
0
votes
1
answer
93
views
What is the pH of a 0.1 M solution of HCl (hydrochloric acid)?
asked
Mar 1
in
Chemical reactions
by
TheScientist
(
138k
points)
0
votes
1
answer
92
views
What is the standard enthalpy change for the fusion of 100 grams of ice at 0°C to liquid water at 0°C? Assume that the specific heat capacity of ice and water are 2.09 and 4.18 J/g·°C, respectively, and the enthalpy of fusion of ice is 6.01 kJ/mol.
asked
Mar 1
in
Chemical thermodynamics
by
TheScientist
(
138k
points)
0
votes
1
answer
90
views
What is the vibrational frequency and the infrared spectrum of water molecule (H2O) using quantum chemistry calculations?
asked
Mar 1
in
Quantum Chemistry
by
TheScientist
(
138k
points)
0
votes
1
answer
93
views
Sure! During a chemical reaction, one of the reactants is completely consumed, producing 10 grams of product. If the theoretical yield of the product was 12 grams and the actual yield was 10 grams, what is the percent yield of the reaction?
asked
Mar 1
in
Chemical reactions
by
TheScientist
(
138k
points)
0
votes
1
answer
95
views
What is the formal charge of the sulfur atom in the compound SO₂?
asked
Mar 1
in
Chemical bonding
by
TheScientist
(
138k
points)
0
votes
1
answer
94
views
What is the heat of neutralization when 50 mL of 2.0 M hydrochloric acid reacts with 50 mL of 2.0 M sodium hydroxide solution? The specific heat capacity of the solution is 4.18 J/g °C, and the temperature change is recorded as 8.2 °C during the reaction.
asked
Mar 1
in
ThermoChemistry
by
TheScientist
(
138k
points)
0
votes
1
answer
88
views
How can we design a system for the production of hydrogen fuel that minimizes the use of non-renewable resources and reduces environmental impact?
asked
Mar 1
in
Chemical engineering
by
TheScientist
(
138k
points)
0
votes
1
answer
88
views
How can we design a system for the production of hydrogen fuel that maximizes efficiency and minimizes cost using chemical engineering principles?
asked
Mar 1
in
Chemical engineering
by
TheScientist
(
138k
points)
Page:
« prev
1
...
3
4
5
6
7
8
9
10
11
...
1000
...
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.
37.4k
questions
37.2k
answers
2
comments
17.6k
users
Hot questions
...