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dybincka [34]
3 years ago
13

Osmosis is the process in which _______ diffuses across a cell membrane.

Chemistry
2 answers:
mote1985 [20]3 years ago
6 0
Osmosis is the movement of a solvent (such as water) through a semipermeable membrane (as of a living cell) into a solution of higher solute concentration that tends to equalize the concentrations of solute on the two sides of the membrane.
siniylev [52]3 years ago
5 0

Answer:

C.

Explanation:

Water

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It will be denatured.

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The second electron shell of an atom can hold a maximum of ______ electron(s).
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Can hold max of 8 electrons
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The shape of the BF3 molecule is best described as
Mars2501 [29]

Answer:

The shape of the BF3 molecule is best described as trigonal planar.

Explanation:

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 _            _

| F |        | F |

   \          /

        B

         |

      | F |

       ---

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Boron and Fluorine have 3 covalent bonds, produced by electronic promotion that enables the 2py and 2pz orbitals, leaving an electron to pair in the 2px. So boron will have 3 possible electrons to pair in 2s1, 2px and 2py, remember that electronic configuration for B is 1s2, 2s2, 2p1

By hybridization between the orbitals 2s2 and 2p1, the electrons of F, can joined to make the covalent bond. The new B configuration is 1s2, 2s1, 2px1, 2py1 (these last three, hybrid orbitals)

       

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