Nonpolar and small polar molecules can pass through the cell membrane, so they diffuse across it in response to concentration gradients. Carbon dioxide and oxygen are two molecules that undergo this simple diffusion through the membrane. The simple diffusion of water is known as osmosis.
Answer:
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<em>no</em></h2>
Explanation:
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the particles in gas move so freely that it cannot have a definite density</em></u></h2><h2><u><em>
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moo</em></u></h2>
The correct answer is 2.53 g of precipitate, BaCrO4.
Pentaarsenic decafluoride
Penta=5
Arsenic=As
Deca=10
Fluoride=F
Drop the -ine and add -ide
