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Helga [31]
3 years ago
9

Explain the methods of passive transport that move molecules across the plasma membrane of the cell.

Chemistry
1 answer:
amm18123 years ago
5 0
I think it will be 4 but I am not sure
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Una solución formada por 58 gramos de cloruro de sodio (NaCl) en 100 mL de solución posee una concentración
masya89 [10]

Answer:

58

Explanation:

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4 years ago
What volume of 0.100 m sodium chloride must be added to 75.0 ml of 0.200 m lead(ii) nitrate to precipitate all of the lead ions?
Svetradugi [14.3K]
Reaction for precipitation is
Pb(NO3)2(aq) + 2Nacl(aq)→PbCL2(s)+2NaNO3(aq)
The given reaction is 
The mol of Nacl required is =2×mol of Pb(NO3)2 which is present.
∴M(Nacl)×V(Nacl) =2×M(Pb(NO3)2 ×V(Pb(NO3)2
o.100M×V(Nacl)=2×0.200 MX75.0ML
V(Nacl = 300mL.
5 0
4 years ago
Identify this reaction.
Kobotan [32]

Answer: synthesis

Explanation:

4 0
3 years ago
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ahrayia [7]

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Explanation:

I think the kinetic energy is 75 percent while the potential energy is 25 percent

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4 years ago
DNA replication results in two identical DNA molecules. What role do DNA helicases have in DNA replication?
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