Top Posters
Since Sunday
G
4
K
3
o
3
3
m
2
c
2
r
2
p
2
s
2
s
2
b
2
c
2
Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
New Topic  
tifftran tifftran
wrote...
Go to Answer
Posts: 146
Rep: 0 0
3 months ago
When 0.560 g of Na( s) reacts with excess F2( g) to form NaF( s), 13.8 kJ of heat is evolved at standard-state conditions.  What is the standard enthalpy of formation (ΔH°f) of NaF( s)?

▸ 567 kJ/mol

▸ –24.8 kJ/mol

▸ –7.8 kJ/mol

▸ 24.8 kJ/mol

▸ –567 kJ/mol
Textbook 
Chemistry: Atoms First

Chemistry: Atoms First


Edition: 4th
Author:
Read 33 times
1 Reply
Replies
Answer verified by a subject expert
nnennennenne
wrote...
#1
Posts: 150
Rep: 0 0
3 months ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

tifftran Author
wrote...

3 months ago
This site is awesome
kobbhy
wrote...

Yesterday
Thanks
rene_ram97
wrote...

2 hours ago
This calls for a celebration Person Raising Both Hands in Celebration
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  652 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 330
  
 977
  
 295
Your Opinion
Who will win the 2024 president election?
Votes: 10
Closes: November 4
Previous poll results: Should Ph.D.'s be addressed as doctors?