Roboguru

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 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 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

Diagram sel berikut yang berlangsung spontan adalah …

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

  5. A u divided by A u to the power of 3 plus end exponent divided by divided by C a to the power of 2 plus end exponent divided by C a

S. Hidayati

Master Teacher

Mahasiswa/Alumni Universitas Indonesia

Jawaban terverifikasi

Pembahasan

Reaksi berlangsung spontan ditandai jika memiliki Eo sel positif.

 

C a rightwards arrow C a to the power of 2 plus 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 space space space space E to the power of o equals plus 2 comma 87 space v o l t  bottom enclose M g to the power of 2 plus 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 space space space E to the power of o equals negative 2 comma 37 space v o l t space space space space space plus end enclose  C a plus M g to the power of 2 plus end exponent rightwards arrow C a to the power of 2 plus end exponent plus M g space space space space space space E to the power of o space s e l equals plus 0 comma 50 space v o l t

 

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Diketahui data potensial reduksi sebagai berikut: EoCa2+/Ca=−2,87VEoPb2+/Pb=−0,13VEoMg2+/Mg=−2,37VEoAu3+/Au=+1,50V Diagram sel berikut yang berlangsung spontan adalah ....

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