The cell membrane is (blank) permiable. This means that (blank)
1 answer:
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Answer:
The molarity will be "0.43 M" and molality will be "0.43 m".
Explanation:
Given that:
mass of NaCl,
= 25 g
Volume of solution,
= 1 L
Density of solution,
= 1 gm/cm³
Now,
The weight of solvent will be:
=
=
=
The mole of NaCl will be:
=
=
=
hence,
The molarity will be:
=
=
=
The molality will be:
=
=
=
Explanation:
A catalyst has no effect on the equilibrium state, but it enables equilibrium to be reached more quickly by decreasing the “energy of activation”. In fact, a catalyst affects forward and reverse rates equally.
Answer:
B is CH₃-CH₂-CH₂-CH₂-C(triplebond)CH (1-hexyne)
C is CH₃-CH₂-CH₂-CH₂-C(triplebond)C-CH₃ (2-heptyne)
Explanation:
