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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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trina820 trina820
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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
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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?
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