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 ZoeDodd3859
Wall
Recent activity
All questions
All answers
Ask a Question
Questions by ZoeDodd3859
0
votes
1
answer
27
views
Calculate the standard enthalpy of formation of carbon dioxide (CO2) using the following information:C(graphite) + O2(g) -> CO2(g), ΔH° = -393.5 kJ/molC(graphite) + 2H2(g) -> CH4(g), ΔH° = -74.8 kJ/mol2H2(g) + O2(g) -> 2H2O(l), ΔH° = -572.0 kJ/mol
asked
2 days
ago
in
ThermoChemistry
0
votes
1
answer
23
views
Calculate the standard enthalpy change of the reaction between 100.0 mL of 0.100 M HCl(aq) and 100.0 mL of 0.100 M NaOH(aq) at 25°C, given that the specific heat capacity of the final solution is 4.18 J/g·°C and that the density of the final solution is 1.00 g/mL.
asked
2 days
ago
in
Chemical thermodynamics
0
votes
1
answer
45
views
Identify and explain the isomerism present in the following organic molecules: a) Butane and Isobutane b) Ethanol and Dimethyl Ether c) Propanoic acid and Methyl ethanoate State the type of isomerism each pair of molecules exhibit and provide a brief explanation for your answer.
asked
6 days
ago
in
Chemical bonding
0
votes
1
answer
65
views
What is the concentration of a hydrochloric acid (HCl) solution if 25.0 ml of it requires 30.0 ml of 0.1 M sodium hydroxide (NaOH) to completely react in a titration?
asked
6 days
ago
in
Analytical Chemistry
0
votes
1
answer
26
views
Why is discursive psychology criticised for being relativist?
asked
Jan 16
in
Psychology
0
votes
1
answer
22
views
What is a language acquisition device?
asked
Jan 15
in
Psychology
0
votes
1
answer
16
views
What type of rocks are laid down horizontally with the oldest at the bottom?
asked
Jan 8
in
Science
0
votes
1
answer
37
views
What is a measure of the size of sound waves?
asked
Jan 6
in
Science
0
votes
1
answer
34
views
What element is responsible for one-half of the osmotic pressure gradient that exists between the interior of cells and their surrounding environment?
asked
Jan 6
in
Science
0
votes
1
answer
41
views
In a carbon triple bond, how many pairs of electrons are shared?
asked
Dec 30, 2024
in
Science
0
votes
1
answer
31
views
How many set of chromosomes do moss have?
asked
Dec 30, 2024
in
Science
0
votes
1
answer
58
views
How many pairs of legs does a millipede have per body segment?
asked
Dec 30, 2024
in
Science
27.0k
questions
26.9k
answers
2
comments
3.9k
users
Categories
All categories
Science
(12.0k)
Psychology
(10.5k)
Chemistry
(4.5k)
Welcome to Sarvan Science Q&A, where you can ask questions and receive answers from other members of the community.
...