Top Posters
Since Sunday
j
3
s
3
j
2
J
2
e
2
n
2
t
2
d
2
b
2
t
2
J
2
b
2
Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
New Topic  
cloveb cloveb
wrote...
Go to Answer
Valued Member
Posts: 782
Rep: 62 1
7 years ago
A 0.10 g piece of chocolate cake is combusted with oxygen in a bomb calorimeter. The
temperature of 4,000 g of H2O in the calorimeter is raised by 0.32 K. (The specific heat of
the water is 1.0 cal/g·K and the heat of vaporization of water is 540 cal/g.) What is ΔE for
the combustion of chocolate cake? Assume no heat is absorbed by the calorimeter.

1. −460 kcal/g
2. −532 kcal/g
3. −13.3 kcal/g
4. −12.8 kcal/g
5. −3900 kcal/g
Read 355 times
1 Reply
Replies
Answer verified by a subject expert
bolbolbolbol
wrote...
#1
Staff Member
Top Poster
Posts: 3227
Rep: 263 2
7 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

cloveb Author
wrote...

7 years ago
Thanks
jmelchor77
wrote...

Yesterday
Thanks
halyna
wrote...

2 hours ago
Brilliant ツ
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  806 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 607
  
 104
  
 282
Your Opinion
Where do you get your textbooks?
Votes: 447
Previous poll results: Do you believe in global warming?