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Diketahui data potensial reduksi sebagai berikut: E O C a 2 + / C a = − 2 , 87 V E O P b 2 + / P b = − 0 , 13 V E O M g 2 + / M g = − 2 , 37 V E O A u 3 + / A u = + 1 , 50 V Berdasarkan data tersebut, reaksi yang berlangsung spontan adalah ...

Diketahui data potensial reduksi sebagai berikut:


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

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S. Susanti

Master Teacher

Mahasiswa/Alumni Universitas Jayabaya

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Pembahasan

Reaksi berlangsung spontan, artinya reaksi tersebut memiliki harga potensial sel positif. Untuk reaksi Pada option D Pada option E

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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