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katrin [286]
3 years ago
14

In a chemical reaction, water decomposes to form hydrogen and oxygen. What is the correct term for the water?

Chemistry
2 answers:
gulaghasi [49]3 years ago
7 0
The answer is: [D]: a reactant.
________________________
podryga [215]3 years ago
6 0
The answer is D!!! hopes this help and give this a THANKS and the BRIANEST ANSWER/CROWM PLEASE!! :D :) :) :) :) :) :) PLEASE DO BECZ IM ACTUALLY SMILLING IN FRONT OF THE COMPUTER
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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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Which statement best describes the amount of catalyst that remains at the end of a reaction?
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I believe the correct answer is C. The amount of catalyst is the same at the end as at the beginning of the reaction. Catalysts can't be consumed by the reaction thus is not D.
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