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Rainbow [258]
2 years ago
11

13. The attraction between water molecules and an Na+

Chemistry
2 answers:
a_sh-v [17]2 years ago
8 0

Answer:

C) Polar......

:-)

Wish .It's help you.

pochemuha2 years ago
3 0

Answer:

C) Polar

Explanation:

The correct answer is polar

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Why is it necessary to use a new salt bridge for each<br> salt bridge for each electrochemical cell?
Irina-Kira [14]

Answer:

salt bridge balances the charge when electrons move from one half cell to another half cell.

Explanation:

Explanation: A salt bridge balances the charge when electrons move from one half cell to another half cell. During this process the salt bridge uses its electrolyte solution which further helps in balancing charges in both the half cells. ... Therefore, for each electrochemical cell a new salt bridge is used.

6 0
2 years ago
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What is the usual charge on an ion from group 7a
alexdok [17]
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4 0
3 years ago
Calculate the molarity of a solution prepared by dissolving 8.054 g of k2cro7 in enough water to give 250. ml of solution.
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Which of the following radiations consists of a helium nucleus emitted by some radioactive substances? Alpha radiation Beta radi
erica [24]

Answer: Alpha radiation

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_Z^A\textrm{X}\rightarrow _{Z-2}^{A-4}Y+_2^4\textrm{He}


Beta decay : When a larger radioactive nuclei decays into smaller nuclei by releasing beta radiation, the atomic number is increased by 1 unit.


_Z^A\textrm{X}\rightarrow _{Z+1}^{A}Y+_{-1}^0e


Gamma decay : When a larger radioactive nuclei decays into smaller nuclei by releasing gamma radiation, the mass number remains same.

_Z^A\textrm{X}^*\rightarrow _Z^A\textrm{X}+_0^0\gamma

5 0
3 years ago
How might the hydrosphere affect the biosphere?
iragen [17]

THE ANSWER IS OPTION B.

B;SOIL FROM EROSION FILLS UP A POND

HOPE THIS HELP

\small \color{gold}{ \underline{ \tt \bold \pink{ \: by:MissS3xy}}}

4 0
2 years ago
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