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 ShonaHincks5
Wall
Recent activity
All questions
All answers
Ask a Question
Questions by ShonaHincks5
0
votes
1
answer
19
views
What is the difference in physical and chemical properties between primary, secondary, and tertiary amines? How do these differences affect their reactivity in organic reactions? Explain with examples.
asked
Feb 14
in
Organic Chemistry
0
votes
1
answer
28
views
How can technology be effectively integrated into chemistry education to enhance student understanding and engagement?
asked
Feb 6
in
Chemical education
0
votes
1
answer
45
views
Calculate the enthalpy change when solid sodium hydroxide (NaOH) is dissolved into water, given that the desorption enthalpy of NaOH is 44.51 kJ/mol and the molar heat of solution is -44.51 kJ/mol.
asked
Jan 23
in
ThermoChemistry
0
votes
0
answers
92
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
45
views
How do expectations of roles within groups influence behaviour?
asked
Jan 17
in
Psychology
0
votes
1
answer
40
views
What do all chemical reactions need to get started?
asked
Jan 6
in
Science
0
votes
1
answer
34
views
Gymnosperms and angiosperms are types of _________ seed plants.
asked
Dec 30, 2024
in
Science
35.2k
questions
35.1k
answers
2
comments
6.6k
users
Categories
All categories
Science
(12.0k)
Psychology
(10.5k)
Chemistry
(12.8k)
Welcome to Sarvan Science Q&A, where you can ask questions and receive answers from other members of the community.
...