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lord [1]
3 years ago
15

A yellow element stinks when burned

Chemistry
1 answer:
Ivenika [448]3 years ago
3 0
Sulfur smells like rotten egg and is yellow...
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Consider the cell pt | h2 (1 atm); h+ (? m) || hg2cl2(s); cl− (1 m) | hg 2 h+ + 2 e − → h2 e 0 = 0.00 v hg2cl2 + 2 e − → 2 hg +
Dmitry [639]

Answer:

1.39

Explanation:

[Hg2Cl2]= 1M

[H^+] = ????

E°cell= 0.35V

E= 0.268 V

Therefore E for the reaction must -0.082 V

n= 2 moles of electrons

From Nernst Equation:

E= E°cell- 0.0592/n log [Red]/[Ox]

0.0268= 0.35- 0.0592/2 log 1/[Ox]^2

-0.082= -0.0296 log 1/[Ox]^2

log 1/[Ox]^2= 0.082/0.0296

log 1/[Ox]^2= 2.77

1/[Ox]^2=Antilog (2.77)

[Ox]^2=1.698×10^-3

[Ox] = 0.0412 M

But pH= -log [H^+]= -log(0.0412)= 1.385

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3 years ago
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Is a nickel coin magnetic
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Answer:

Yes

Explanation:

Because it was false because it has been the substance abuse permalink

7 0
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6CO2, 6H2O, and energy are the result of aerobic respiration.
dsp73

Answer:

True

Explanation:

I did the test and got 100

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Which of the following is a gaseous substance that is liquid or solid at room
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Answer:

  1. liquid is the correct answer
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What kind of liquid promote corrosion
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