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iren [92.7K]
3 years ago
13

Which of the following is most likely to move through the cell membrane by facilitated diffusion?

Chemistry
1 answer:
Jlenok [28]3 years ago
6 0
The correct answer is Na+
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What is the scientific name for the output variable
amm1812

Answer:

Coefficient

Explanation:

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Weight in grams of NaCl
Allisa [31]

Answer: 58.44g

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Why should reactions not be performed in graduated cylinder?​
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3 years ago
Use the Nernst equation to calculate the concentration of the unknown solution. Base this on your experimental voltage of 1.074
Hoochie [10]

Answer:

0.3793 M

Explanation:

The unknown metal is zinc. So the equation of the reaction is;

Zn(s) + Cu^2+(aq) -------> Zn^2+(aq) + Cu(s)

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E = E° - 0.0592/n log Q

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E = 1.074 V

E° = 0.34 - (-0.76) = 1.1 V

Substituting values;

1.074  = 1.1 - 0.0592/2 log [Zn^2+]/0.050179

1.074 - 1.1 = - 0.0592/2 log [Zn^2+]/0.050179

-0.026 = -0.0296  log [Zn^2+]/0.050179

-0.026/-0.0296 = log [Zn^2+]/0.050179

0.8784 =log [Zn^2+]/0.050179

Antilog(0.8784) = [Zn^2+]/0.050179

7.558 =  [Zn^2+]/0.050179

[Zn^2+] = 7.558 * 0.050179

[Zn^2+] = 0.3793 M

4 0
2 years ago
An atom has atomic number of 34. how many protons and electrons does it have? what is its symbol? 34 protons and electrons. se l
AURORKA [14]
Se: Selenium

Protons: 34
Electrons: All atoms in the periodic table are neutral until changed otherwise
Neutrons: 44
Atomic Mass: 78.09

>Symbol attached<

4 0
2 years ago
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