lesson 2.2 review\n1. what does it mean when a molecule is said to be “polar”?\n2. why is water such a good…

lesson 2.2 review\n1. what does it mean when a molecule is said to be “polar”?\n2. why is water such a good solvent?\n3. what is a buffer? why is it useful to cells?

lesson 2.2 review\n1. what does it mean when a molecule is said to be “polar”?\n2. why is water such a good solvent?\n3. what is a buffer? why is it useful to cells?

Answer

Answer:

  1. Uneven charge distribution.
  2. It's polar and forms hydrogen - bonds.
  3. A substance resisting pH change; maintains cellular pH.

Brief Explanations:

For 1, polar molecules have unequal charge sharing. For 2, water's polarity and hydrogen - bonding enable solvation. For 3, buffers regulate pH crucial for cell function.