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
No answer
No selected answer
No upvoted answer
Ask a Question
Recent questions without a selected answer
0
votes
1
answer
27
views
Determine the concentration of copper ions in a copper sulfate solution by constructing an electrochemical cell and measuring its voltage using a standard hydrogen electrode.
asked
3 days
ago
in
Physical Chemistry
by
LeesaStrub9
(
530
points)
0
votes
1
answer
25
views
Determine the bond order of the molecule N2 using molecular orbital theory and predict whether the molecule is paramagnetic or diamagnetic.
asked
3 days
ago
in
Chemical bonding
by
Jamila78H094
(
390
points)
0
votes
1
answer
26
views
Determine the bond order of the molecule CO using molecular orbital theory. Show all the molecular orbital diagrams and explain why the molecule is or is not expected to be stable.
asked
3 days
ago
in
Chemical bonding
by
ChristieOshe
(
310
points)
0
votes
1
answer
30
views
Determine the bond order of O2 using molecular orbital theory.
asked
3 days
ago
in
Chemical bonding
by
SherlynC1382
(
550
points)
0
votes
1
answer
26
views
Determine the bond order of O2 molecule using molecular orbital theory and explain the resultant bond strength in relation to the stability of the molecule.
asked
3 days
ago
in
Chemical bonding
by
BennieFll738
(
410
points)
0
votes
1
answer
32
views
Determine the bond order for the oxygen molecule using molecular orbital theory. Show all calculations and explain how the bond order relates to the stability of the molecule.
asked
3 days
ago
in
Chemical bonding
by
GeraldoMendi
(
370
points)
0
votes
1
answer
28
views
Determine the bond order and bond length of the N-O bond in NO<sup>-</sup> ion.
asked
3 days
ago
in
Inorganic Chemistry
by
VilmaBernier
(
450
points)
0
votes
1
answer
26
views
Determine the bond order and bond length of the nitrogen-oxygen bond in the nitrate ion (NO3-).
asked
3 days
ago
in
Inorganic Chemistry
by
RonnySanor7
(
590
points)
0
votes
1
answer
40
views
Determine the bond length between two carbon atoms in a molecule of ethylene (C2H4) given that the bond order is 1.5 and the electronegativity of carbon is 2.5.
asked
3 days
ago
in
Chemical bonding
by
ArdisRolston
(
430
points)
0
votes
1
answer
32
views
Determine the bond energy required to break all the bonds in a molecule of methane (CH4) and calculate the total energy required to break all the bonds in 4.0 moles of methane. (Assume the bond energy values are: C-H bond energy = 413 kJ/mol and C-C bond energy = 347 kJ/mol)
asked
3 days
ago
in
Chemical reactions
by
PaulineHarke
(
450
points)
0
votes
1
answer
29
views
Determine the bond dissociation energy of methane (CH4) using the following data: Reaction: CH4(g) → C(g) + 4H(g)ΔH°f (kJ/mol): CH4(g) = -74.81C(g) = 715.32H(g) = 218.00Hint: bond dissociation energy can be calculated using the formula ΔH°rxn = Σ (ΔH°f, products) - Σ (ΔH°f, reactants)
asked
3 days
ago
in
ThermoChemistry
by
ReyesBoettch
(
610
points)
0
votes
1
answer
27
views
Determine the bond angles in a water molecule using the principles of Quantum Chemistry.
asked
3 days
ago
in
Quantum Chemistry
by
FaustoAllen
(
350
points)
0
votes
1
answer
35
views
Determine the bond angle in a water molecule using the VSEPR theory and explain how the shape of the molecule affects its polarity.
asked
3 days
ago
in
Chemical bonding
by
Alyce51K2334
(
270
points)
0
votes
1
answer
20
views
Determine the boiling point of sodium chloride (NaCl) at an external pressure of 1 atm, given its heat of vaporization is 406.6 kJ/mol and its melting point is 801°C.
asked
3 days
ago
in
Inorganic Chemistry
by
BernieT33734
(
430
points)
0
votes
1
answer
32
views
Determine the amino acid sequence of a specific protein given the DNA sequence of the corresponding gene and the steps involved in RNA transcription and translation.
asked
3 days
ago
in
BioChemistry
by
Tania26M954
(
510
points)
0
votes
1
answer
42
views
Determine the activation energy for the electrochemical reaction that occurs between copper and nitric acid (Cu + 4HNO3 --> Cu(NO3)2 + 2NO2 + 2H2O) given that the rate constant k is 2.31 x 10^-6 mol L^-1 s^-1 at 25°C and the rate constant increases to 3.81 x 10^-5 mol L^-1 s^-1 at 45°C.
asked
3 days
ago
in
ElectroChemistry
by
DortheaConsi
(
770
points)
0
votes
1
answer
34
views
Determine the activation energy for the electrochemical reaction between zinc and copper (II) sulfate solution, given that the rate constant is 2.8 x 10^-3 s^-1 at 298 K and 8.7 x 10^-3 s^-1 at 308 K.
asked
3 days
ago
in
ElectroChemistry
by
ToddPamphlet
(
590
points)
0
votes
1
answer
36
views
Determine the acidity or basicity of the following molecules: ammonia (NH3), hydrogen chloride (HCl), water (H2O), and carbon dioxide (CO2). Rank them in order of increasing acidity or increasing basicity and explain your reasoning.
asked
3 days
ago
in
Chemical bonding
by
Steve6884784
(
630
points)
0
votes
1
answer
6
views
Design and synthesize a supramolecular polymer with controlled assembly through non-covalent interactions, and investigate its structure and properties using various analytical techniques in the field of physical chemistry.
asked
3 days
ago
in
Physical Chemistry
by
CorneliusSpe
(
330
points)
0
votes
1
answer
28
views
Design and synthesize a polymer-based smart material that can undergo reversible changes in response to changes in temperature or pH, and explain the mechanism behind these changes using chemical principles.
asked
3 days
ago
in
Polymer Chemistry
by
VeolaClay722
(
290
points)
Page:
« prev
1
...
77
78
79
80
81
82
83
84
85
...
1000
...
next »
27.8k
questions
27.6k
answers
2
comments
4.2k
users
Categories
All categories
Science
(12.0k)
Psychology
(10.5k)
Chemistry
(5.3k)
Welcome to Sarvan Science Q&A, where you can ask questions and receive answers from other members of the community.
...