× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
New Topic  
trina820 trina820
wrote...
Posts: 17
Rep: 0 2
10 years ago

A polar covalent bond between two atoms occurs when
      
a) a hydrogen bond has formed
      
b) an electron is transferred from one atom to another
      
c) atoms attract electrons equally
      
d)one atom attracts shared electrons more strongly than another atom


 A buffer
      
a) maintains a relatively constant pH
      
b) speeds up chemical reactions
      
c) increases the pH of a solution
      
d) slows down chemical reactions
Read 486 times
1 Reply

Related Topics

Replies
wrote...
#1
Valued Member
On Hiatus
10 years ago
Quote
A polar covalent bond between two atoms occurs when
d)one atom attracts shared electrons more strongly than another atom
http://en.wikipedia.org/wiki/Polar_bond

Quote
A buffer
a) maintains a relatively constant pH
http://en.wikipedia.org/wiki/Buffer_solution


By the way, shall I delete your other post where you asked the same thing?
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1260 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1667
  
 81
  
 802
Your Opinion
Do you believe in global warming?
Votes: 370
Previous poll results: What's your favorite funny biology word?