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Pertanyaan

Diketahui data potensial reduksi sebagai berikut:
E to the power of O space C a to the power of 2 plus end exponent divided by C a equals negative 2 comma 87 space V space space space space space space space E to the power of O space P b to the power of 2 plus end exponent divided by P b equals negative 0 comma 13 space V  E to the power of O space M g to the power of 2 plus end exponent divided by M g equals negative 2 comma 37 space V space space space space space space E to the power of O space A u to the power of 3 plus end exponent divided by A u equals plus 1 comma 50 space V

Berdasarkan data tersebut, reaksi yang berlangsung spontan adalah ...

  1. M g divided by M g to the power of 2 plus end exponent space divided by divided by space C a to the power of 2 plus end exponent divided by C a

  2. P b divided by P b to the power of plus 2 end exponent space divided by divided by space M g to the power of 2 plus end exponent divided by M g

  3. A u divided by A u to the power of 3 plus end exponent space divided by divided by space P b to the power of 2 plus end exponent divided by P b

  4. C a divided by C a to the power of 2 plus end exponent space divided by divided by space M g to the power of 2 plus end exponent divided by M g

  5. M g divided by M g to the power of 2 plus end exponent space divided by divided by space P b to the power of 2 plus end exponent divided by P b

S. Susanti

Master Teacher

Mahasiswa/Alumni Universitas Jayabaya

Jawaban terverifikasi

Pembahasan

Reaksi berlangsung spontan, artinya reaksi tersebut memiliki harga potensial sel positif. Untuk reaksi

 

Pada option D

C a rightwards arrow C a to the power of plus 2 end exponent plus 2 e space space space space space space space space space space space space space space space space space space space space space space space space E to the power of O space space equals plus 2 comma 87 space v o l t  bottom enclose M g to the power of plus 2 end exponent plus 2 e rightwards arrow M g space space space space space space space space space space space space space space space space space space space space space space space space E to the power of O space equals negative 2 comma 37 space v o l t end enclose  C a plus M g to the power of plus 2 end exponent rightwards arrow M g plus C a to the power of plus 2 end exponent space space space space space space E to the power of O s e l equals plus 0 comma 5 space v o l t

 

Pada option E

M g rightwards arrow M g to the power of plus 2 end exponent plus 2 e space space space space space space space space space space space space space space space space space space space space space space space space E to the power of O space space equals plus 2 comma 37 space v o l t  bottom enclose P b to the power of plus 2 end exponent plus 2 e rightwards arrow P b space space space space space space space space space space space space space space space space space space space space space space space space E to the power of O space equals negative 0 comma 13 space v o l t end enclose  M g plus P b to the power of negative 2 end exponent rightwards arrow P b plus M g to the power of plus 2 end exponent space space space space space space E to the power of O s e l equals plus 2 comma 24 space v o l t

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Pertanyaan serupa

Diketahui data potensia reduksi sebagai berikut: E∘Ca2+/Ca=−2,87VE∘Pb2+/Pb=−0,13VE∘Mg2+/Mg=−2,37VE∘Au3+/Au=+1,50V Diagram sel berikut yang berlangsung spontan adalah...

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